Bjørn Holmedal

About

Bjørn Holmedal is a professor in physical metallurgy at the Department of Materials Science and Engineering, since 2009.

Background

Bjørn Holmedal (born 1968) has an MSc in Mechanical Engineering from NTH (1992) and a PhD in Mathematics from the University of Oslo (1998). He has industrial experience as a researcher in Raufoss Technology (1997-2000), starting as a postdoc at NTNU in 2000.

Publication statistics at Google schoolar page

Research areas

Metal continuum plasticity theory and modelling
Metal crystal plasticity theory and modelling (including texture)
Thermomechanical processing of alloys
Strengthening and work hardening mechanisms in alloys
Dislocation theory and modelling

Teaching (some variations, these are my regular ones)

Spring :

* TMT4266 Metal forming- microstructure and crystal plasticity

Autumn:

* TMT4222 Mechanical Properties of Metals

* MT8220 - Advanced Physical Metallurgy

Projects:

FRIPRO-METPLAST: (The next generation metal continuum plasticity theory) Project leader. I was the PhD main supervisor for Hassan Moradi Asadkhandi, who is now a research scientist in the project. Associated professor Tomas Manik was earlier also a research scientist but is still a very important contributor to the project, together with professor Odd Sture Hopperstad. Postdoc Baptiste Reyne has left for a job in SINTEF.
SFI-Manufacturing: PhD main supervisor for Håkon Linga, 3D-printing. Finishing 2025.
SFI-Physmet:
- Main supervisor for a PhD being hired 2025
- working with research scientist Emre Cinkilic

Roles:

Editorial Advisory Board member, International Journal of Plasticity
Member of the council for the masters programmes MTMT og MSMT.
Member of the board: Norsk Metallurgisk Samfunn, avdeling Trøndelag.
Member of "Norges Tekniske Vitenskapsakademi (NTVA)"
Member of the publishing comitee in chemistry and materials technology
member of the MTEK study program committee

Publications

2025

Holmedal, Bjørn; Manik, Tomas. (2025) On Labusch's solid solution depinning and strength estimate. Proceedings of the Royal Society. Mathematical, Physical and Engineering Sciences
Academic article
Asadkandi, Hassan Moradi; Manik, Tomas; Holmedal, Bjørn; Hopperstad, Odd Sture. (2025) Open-source implementations and comparison of explicit and implicit crystal-plasticity finite element methods. Computers & structures
Academic article

2024

Holmedal, Bjørn; Kula, Anna; Niewczas, marek. (2024) Plasticity of solid solution Al-Mn and Al-Mn-Si alloys. Journal of Materials Science and Engineering: A
Academic article
Mi, Xiaoxi; Dai, Lili; Jing, Xuerui; She, Jia; Holmedal, Bjørn; Tang, Aitao. (2024) Accelerated design of high-performance Mg-Mn-based magnesium alloys based on novel bayesian optimization. Journal of Magnesium and Alloys
Academic article
Imani Aria, Arash; Holmedal, Bjørn; Manik, Tomas; Marthinsen, Knut. (2024) Crystal-plasticity modelling of the yield surfaces and anelasticity in the elastoplastic transition of metals. European Journal of Mechanics. A, Solids
Academic article
Imani Aria, Arash; Holmedal, Bjørn; Manik, Tomas; Marthinsen, Knut. (2024) A Full-Field Crystal Plasticity Study on the Bauschinger Effect Caused by Non-Shearable Particles and Voids in Aluminium Single Crystals. Metals
Academic article
Gopal, Akash; Shah, Sohail; Holmedal, Bjørn. (2024) On the influence of crystallographic texture on cyclic hardening of an AlMgSi alloy. Scripta Materialia
Academic article

2023

Shah, Sohail; Thronsen, Elisabeth; De Geuser, Frederic; Hatzoglou, Constantinos; Marioara, Calin Daniel; Holmestad, Randi. (2023) On the Use of a Cluster Identification Method and a Statistical Approach for Analyzing Atom Probe Tomography Data for GP Zones in Al–Zn–Mg(–Cu) Alloys. Microscopy and Microanalysis
Academic article
Imani Aria, Arash; Manik, Tomas; Holmedal, Bjørn; Marthinsen, Knut. (2023) A computational study on efficient yield surface calibrations using a crystal plasticity spectral solver. Multiscale and Multidisciplinary Modeling, Experiments and Design
Academic article
Hell, Christoph Martin; Holmedal, Bjørn; Bjørge, Ruben; Marioara, Calin Daniel; Holmestad, Randi. (2023) The microstructural origin of a hardness double-peak in an age-hardened EN-AW 6082. Acta Materialia
Academic article
Xu, Jianbin; Hopperstad, Odd Sture; Holmedal, Bjørn; Berstad, Torodd; Manik, Tomas; Marthinsen, Knut. (2023) On the spatio-temporal characteristics of the Portevin-Le Chatelier effect in aluminium alloy AA5182: An experimental and numerical study. International journal of plasticity
Academic article
Thronsen, Elisabeth; Shah, Sohail; Hatzoglou, Constantinos; Marioara, Calin Daniel; Wenner, Sigurd; Andersen, Sigmund Jarle. (2023) The evolution of precipitates in an Al–Zn–Mg alloy. Journal of Materials Research and Technology (JMR&T)
Academic article
Mi, Xiaoxi; Jing, Xuerui; Wang, Hailian; Xu, Jianbin; She, Jia; Tang, Aitao. (2023) A machine learning enabled ultra-fine grain design strategy of Mg–Mn-based alloys. Journal of Materials Research and Technology (JMR&T)
Academic article

2022

Xu, Jianbin; Liu, Lei; Hopperstad, Odd Sture; Holmedal, Bjørn; Manik, Tomas; Marthinsen, Knut. (2022) A simple method enabling efficient quantitative analysis of the Portevin–Le Chatelier band characteristics. Scripta Materialia
Academic article
Shah, Sohail; Gopal, Akash; Thronsen, Elisabeth; Hatzoglou, Constantinos; Holmedal, Bjørn. (2022) Precipitation, mechanical properties and early slant ductile fracture in cyclic and naturally aged Al-Zn-Mg(-Cu) alloys. Materials & design
Academic article
Linga, Håkon; Zhang, Yubin; Brøtan, Vegard; Ren, Xiaobo; Westermann, Ida; Holmedal, Bjørn. (2022) In-situ X-ray microtomography of interface between additively manufactured aluminium bronze and H13 tool steel. IOP Conference Series: Materials Science and Engineering
Academic article
Shah, Sohail; Thronsen, Elisabeth; Hatzoglou, Constantinos; Wenner, Sigurd; Marioara, Calin Daniel; Holmestad, Randi. (2022) Effect of cyclic ageing on the early-stage clustering in Al–Zn–Mg(-Cu) alloys. Materials Science & Engineering: A
Academic article
Manik, Tomas; Moradi Asadkandi, Hassan; Holmedal, Bjørn. (2022) A robust algorithm for rate-independent crystal plasticity. Computer Methods in Applied Mechanics and Engineering
Academic article
Xu, Jianbin; Holmedal, Bjørn; Hopperstad, Odd Sture; Manik, Tomas; Marthinsen, Knut. (2022) Dynamic strain ageing in an AlMg alloy at different strain rates and temperatures: Experiments and constitutive modelling. International journal of plasticity
Academic article

2021

Li, Yue; Holmedal, Bjørn; Liu, Boyu; Li, Hongxiang; Zhuang, Linzhong; Zhang, Jishan. (2021) Towards high-throughput microstructure simulation in compositionally complex alloys via machine learning. Calphad
Academic article
Manik, Tomas; Marthinsen, Knut; Zhang, Kai; Imani Aria, Arash; Holmedal, Bjørn. (2021) Deformation Texture Evolution in Flat Profile AlMgSi Extrusions: Experiments, FEM, and Crystal Plasticity Modeling. Frontiers in Materials
Academic article
Xu, Jianbin; Marthinsen, Knut; Holmedal, Bjørn; Hopperstad, Odd Sture. (2021) An experimental and numerical study of the Portevin-Le Chatelier effect in an AlMg alloy. Norwegian University of Science and Technology
Doctoral dissertation
Lu, Feng; Holmedal, Bjørn. (2021) Stress-strain relations for age hardened AlMgSi alloys, measured with necking corrections and modelled based on TEM characterization. NTNU
Doctoral dissertation
Lu, Feng; Sunde, Jonas Kristoffer; Marioara, Calin Daniel; Holmestad, Randi; Holmedal, Bjørn. (2021) An improved modelling framework for strength and work hardening of precipitate strengthened Al–Mg–Si alloys. Materials Science & Engineering: A
Academic article
Lu, Feng; Manik, Tomas; Holmedal, Bjørn. (2021) Stress corrections after necking using a two-parameter equation for the radius of curvature. Journal of applied mechanics
Academic article
Lu, Feng; Manik, Tomas; Andersen, Ida Lægreid; Holmedal, Bjørn. (2021) A Robust Image Processing Algorithm for Optical-Based Stress–Strain Curve Corrections after Necking. Journal of materials engineering and performance (Print)
Academic article
Sunde, Jonas Kristoffer; Lu, Feng; Marioara, Calin Daniel; Holmedal, Bjørn; Holmestad, Randi. (2021) Linking mechanical properties to precipitate microstructure in three Al-Mg-Si(-Cu) alloys. Materials Science & Engineering: A
Academic article
Xu, Jianbin; Holmedal, Bjørn; Hopperstad, Odd Sture; Marthinsen, Knut. (2021) Experimental Characterization and Modelling of the PLC Effect in an AlMg-Alloy. Materials Science Forum
Academic article

2020

Holmedal, Bjørn. (2020) Regularized Yield Surfaces for Crystal Plasticity of Metals. Crystals
Academic article
Arbo, Siri Marthe; Westermann, Ida; Holmedal, Bjørn; Vullum, Per Erik. (2020) Cold Welding of steel and aluminum alloys. Joining process, intermetallic phases and bond strength. Doktoravhandlinger ved NTNU (16)
Doctoral dissertation
Holmedal, Bjørn. (2020) Spin and vorticity with vanishing rigid-body rotation during shear in continuum mechanics. Journal of the Mechanics and Physics of Solids
Academic article
Christiansen, Emil; Marioara, Calin Daniel; Ringdalen, Inga Gudem; Bjørge, Ruben; Holmedal, Bjørn; Hopperstad, Odd Sture. (2020) Detailed investigation of the shearing mechanism of β" precipitates in Al-Mg-Si alloys. MATEC Web of Conferences
Academic article

2019

Zhang, Kai; Holmedal, Bjørn; Manik, Tomas; Saai, Afaf. (2019) Assessment of advanced Taylor models, the Taylor factor and yield-surface exponent for FCC metals. International journal of plasticity
Academic article
Holmedal, Bjørn. (2019) Bauschinger effect modelled by yield surface distortions. International journal of plasticity
Academic article
Qin, Jisheng; Holmedal, Bjørn; Hopperstad, Odd Sture. (2019) Experimental characterization and modeling of aluminum alloy AA3103 for complex single and double strain-path changes. International journal of plasticity
Academic article
Arbo, Siri Marthe; Bergh, Tina; Holmedal, Bjørn; Vullum, Per Erik; Westermann, Ida. (2019) Relationship between Al-Ni intermetallic Phases and Bond Strength in Roll Bonded Steel-Aluminum Composites with Nickel Interlayers. Metals
Academic article
Mørtsell, Eva Anne; Westermann, Ida; Marioara, Calin Daniel; Pedersen, Ketill Olav; Andersen, Sigmund Jarle; Røyset, Jostein. (2019) The effect of elastic strain and small plastic deformation on tensile strength of a lean Al-Mg-Si alloy. Metals
Academic article
Christiansen, Emil; Marioara, Calin Daniel; Holmedal, Bjørn; Hopperstad, Odd Sture; Holmestad, Randi. (2019) Nano-scale characterisation of sheared β” precipitates in a deformed Al-Mg-Si alloy. Scientific Reports
Academic article

2018

Qin, Jisheng; Holmedal, Bjørn; Hopperstad, Odd Sture. (2018) A combined isotropic, kinematic and distortional hardening model for aluminum and steels under complex strain-path changes. International journal of plasticity
Academic article
Zhang, Kai; Marthinsen, Knut; Holmedal, Bjørn; Aukrust, Trond; Segatori, Antonio. (2018) Through thickness variations of deformation texture in round profile extrusions of 6063-type aluminium alloy: Experiments, FEM and crystal plasticity modelling. Materials Science & Engineering: A
Academic article
Du, Qiang; Jia, Lina; Tang, Kai; Holmedal, Bjørn. (2018) Modelling and experimental validation of microstructure evolution during the cooling stage of homogenization heat treatment of Al-Mg-Si alloys. Materialia
Academic article
Arbo, Siri Marthe; Bergh, Tina; Solhaug, Harald; Westermann, Ida; Holmedal, Bjørn. (2018) Influence of thermomechanical processing sequence on properties of AA6082-IF steel cold roll bonded composite sheet. Procedia Manufacturing
Academic article
Li, Yue; Holmedal, Bjørn; Li, Hongxiang; Zhuang, Linzhong; Zhang, Jishan; Du, Qiang. (2018) Precipitation and strengthening modeling for disk-shaped particles in aluminum alloys: Size distribution considered. Materialia
Academic article
Zhang, Kai; Marthinsen, Knut; Holmedal, Bjørn; Aukrust, Trond; Segatori, Antonio. (2018) EVOLUTION IN TEXTURE AND ITS THROUGH-THICKNESS VARIATIONS IN Al-Mg-Si-EXTRUSIONS: EXPERIMENTS AND MODELLING. Canadian Institute of Mining, Metallurgy and Petroleum
Academic chapter/article/Conference paper
Arbo, Siri Marthe; Westermann, Ida; Holmedal, Bjørn. (2018) Influence of Stacking Sequence and Intermediate Layer Thickness in AA6082-IF Steel Tri-Layered Cold Roll Bonded Composite Sheets. Key Engineering Materials
Academic article

2017

Qin, Jisheng; Holmedal, Bjørn; Hopperstad, Odd Sture. (2017) Experimental investigation and modelling of strain-path changes in metals. NTNU
Doctoral dissertation
Snilsberg, Knut Erik; Welo, Torgeir; Moen, Knut Erling; Holmedal, Bjørn; Jensrud, Ola; Koroschetz, Christian. (2017) A new tribological system test for integrated hot forming and die quenching of aluminium alloy sheets. AIP Conference Proceedings
Academic article
Qin, Jisheng; Holmedal, Bjørn; Hopperstad, Odd Sture. (2017) Modelling of strain-path transients in commercially pure aluminium. Materials Science Forum
Academic article
Du, Qiang; Tang, Kai; Marioara, Calin Daniel; Andersen, Sigmund Jarle; Holmedal, Bjørn; Holmestad, Randi. (2017) Modeling over-ageing in Al-Mg-Si alloys by a multi-phase CALPHAD-coupled Kampmann-Wagner Numerical model. Acta Materialia
Academic article
Zhang, Kai; Marthinsen, Knut; Holmedal, Bjørn; Friis, Jesper; Pettersen, Tanja; Segatori, Antonio. (2017) Characterization and Modelling of the Microstructure and Texture Evolution In AlMgSi-Extrusions. Materials Science Forum
Academic article
Qin, Jisheng; Holmedal, Bjørn; Zhang, Kai; Hopperstad, Odd Sture. (2017) Modeling strain-path changes in aluminum and steel. International Journal of Solids and Structures
Academic article

2016

Vilamosa, Vincent; Clausen, Arild Holm; Børvik, Tore; Holmedal, Bjørn; Hopperstad, Odd Sture. (2016) A physically-based constitutive model applied to AA6082 aluminium alloy at large strains, high strain rates and elevated temperatures. Materials & design
Academic article

2015

Zhang, Kai; Marthinsen, Knut; Holmedal, Bjørn; Aukrust, Trond; Segatori, A. (2015) Coupled FEM and Alamel-type polycrystal plasticity modelling applied to extrusion of aluminium alloys. Materials Today: Proceedings
Academic article
Zhao, Qinglong; Holmedal, Bjørn; Li, Yanjun; Sagvolden, Espen; Løvvik, Ole Martin. (2015) Multi-component solid solution and cluster hardening of Al-Mn-Si alloys. Materials Science & Engineering: A
Academic article
Zhang, Kai; Holmedal, Bjørn; Hopperstad, Odd Sture; Dumoulin, Stephane; Gawad, Jerzy; Van Bael, Albert. (2015) Multi-level modelling of mechanical anisotropy of commercial pure aluminium plate: Crystal plasticity models, advanced yield functions and parameter identification. International journal of plasticity
Academic article
Keseler, Hanne; Westermann, Ida; Kandukuri, Sastry Yagnanna; Nøkleby, John Olav; Holmedal, Bjørn. (2015) Permanent effect of a cryogenic spill on fracture properties of structural steels. IOP Conference Series: Materials Science and Engineering
Academic article
Du, Qiang; Holmedal, Bjørn; Friis, Jesper; Marioara, Calin Daniel. (2015) Precipitation of Non-spherical Particles in Aluminum Alloys Part II: Numerical Simulation and Experimental Characterization During Aging Treatment of an Al-Mg-Si Alloy. Metallurgical and Materials Transactions A
Academic article
Holmedal, Bjørn; Osmundsen, Elisa; Du, Qiang. (2015) Precipitation of Non-Spherical Particles in Aluminum Alloys Part I: Generalization of the Kampmann–Wagner Numerical Model. Metallurgical and Materials Transactions A
Academic article
Holmedal, Bjørn. (2015) Strength contributions from precipitates. Philosophical Magazine Letters
Academic article
Mánik, Tomás; Holmedal, Bjørn; Hopperstad, Odd Sture. (2015) Strain-path change induced transients in flow stress, work hardening and r-values in aluminum. International journal of plasticity
Academic article
Ryen, Øyvind; Holmedal, Bjørn; Marthinsen, Knut; Furu, Trond. (2015) Precipitation, strength and work hardening of age hardened aluminium alloys. IOP Conference Series: Materials Science and Engineering
Academic article
Holmedal, Bjørn. (2015) On the basic relation between mean free slip length and work hardening of metals. Philosophical Magazine
Academic article
Zhang, Kai; Pettersen, Tanja; Paulsen, Christian Oen; Marthinsen, Knut; Holmedal, Bjørn; Segatori, A. (2015) Recrystallization behaviour of AA6063 extrusions. IOP Conference Series: Materials Science and Engineering
Academic article

2014

Holmedal, Bjørn. (2014) Multi-metal plates by roll bonding.
Website (informational material)
Zhang, Kai; Holmedal, Bjørn; Dumoulin, Stephane; Hopperstad, Odd Sture. (2014) An explicit integration scheme for hypo-elastic viscoplastic crystal plasticity. Transactions of Nonferrous Metals Society of China
Academic article
Zhao, Qinglong; Holmedal, Bjørn. (2014) Influence of dispersoids on grain subdivision and texture evolution in aluminium alloys during cold rolling. Transactions of Nonferrous Metals Society of China
Academic article
Zhang, Kai; Holmedal, Bjørn; Hopperstad, Odd Sture; Dumoulin, Stephane. (2014) Modelling the plastic anisotropy of aluminium alloy 3103 sheets by polycrystal plasticity models. Modelling and Simulation in Materials Science and Engineering
Academic article
Govindaraj, Nagaraj Vinayagam; Bjørge, Ruben; Holmedal, Bjørn. (2014) Characterizing hardening on annealing of cold-rolled aluminum AA3103 strips. Metallurgical and Materials Transactions A
Academic article
Zhang, Kai; Holmedal, Bjørn; Marthinsen, Knut; Hopperstad, Odd Sture; Dumoulin, Stephane. (2014) Multi-level Modelling of Plastic Anisotropy of Aluminium Alloys Using Crystal Plasticity Models and Advanced Yield Functions. NTNU-trykk
Doctoral dissertation
Marthinsen, Knut; Holmedal, Bjørn; Li, Yanjun. (2014) Aluminium Alloys 2014 - ICAA14. Materials Science Forum (1-2)
Academic anthology/Conference proceedings
Mánik, Tomás; Holmedal, Bjørn. (2014) Review of the Taylor ambiguity and the relationship between rate-independent and rate-dependent full-constraints Taylor models. International journal of plasticity
Academic article
Zhang, Kai; Hopperstad, Odd Sture; Holmedal, Bjørn; Dumoulin, Stephane. (2014) A robust and efficient substepping scheme for the explicit numerical integration of a rate-dependent crystal plasticity model. International Journal for Numerical Methods in Engineering
Academic article
Zhang, Kai; Holmedal, Bjørn; Hopperstad, Odd Sture; Dumoulin, Stephane. (2014) Use of plane-strain tension and shear tests to evaluate yield surfaces for AA1050 aluminium sheet. Materials Science Forum
Academic article

2013

Zhao, Qinglong; Holmedal, Bjørn. (2013) The effect of silicon on the strengthening and work hardening of aluminum at room temperature. Materials Science & Engineering: A
Academic article
Mánik, Tomás; Holmedal, Bjørn. (2013) Additional relaxations in the Alamel texture model. Materials Science & Engineering: A
Academic article
Zhao, Qinglong; Holmedal, Bjørn; Li, Yanjun. (2013) Influence of dispersoids on microstructure evolution and work hardening of aluminium alloys during tension and cold rolling. Philosophical Magazine
Academic article
Manik, Tomas; Holmedal, Bjørn. (2013) On the criterion for compensation to avoid elastic-plastic transients during strain rate change tests. Acta Materialia
Academic article
Govindaraj, Nagaraj Vinayagam; Lauvdal, Steinar; Holmedal, Bjørn. (2013) Tensile bond strength of cold roll bonded aluminium sheets. Journal of Materials Processing Technology
Academic article
Zhao, Qinglong; Holmedal, Bjørn; Marthinsen, Knut; Li, Yanjun. (2013) The influence of Mn, Fe and Si on the work hardening of aluminium alloys. Doktoravhandlinger ved NTNU (16)
Doctoral dissertation
Govindaraj, Nagaraj Vinayagam; Holmedal, Bjørn; Marthinsen, Knut. (2013) Light-weight materials produced by accumulative roll bonding. Doktoravhandlinger ved NTNU (114)
Doctoral dissertation
Mánik, Tomás; Holmedal, Bjørn; Hopperstad, Odd Sture; Marthinsen, Knut. (2013) Plastic-Anisotropy Modelling: Textrue, Strain-Rate and Strain-Path Changes. Doktoravhandlinger ved NTNU (304)
Doctoral dissertation
Govindaraj, Nagaraj Vinayagam; Frydendahl, Jan Gaute; Holmedal, Bjørn. (2013) Layer continuity in accumulative roll bonding of dissimilar material combinations. Materials & design
Academic article
Wang, Ning; Marthinsen, Knut; Li, Yanjun; Holmedal, Bjørn; Engler, Olaf. (2013) Softening behaviour of Al-Mn-Fe-Si alloys during isothermal annealing. Doktoravhandlinger ved NTNU (358)
Doctoral dissertation
Zhao, Qinglong; Holmedal, Bjørn. (2013) Modelling work hardening of aluminium alloys containing dispersoids. Philosophical Magazine
Academic article

2012

Marthinsen, Knut; Friis, Jesper; Holmedal, Bjørn; Skauvik, Inge; Furu, Trond. (2012) Modelling the recrystallization behaviour during industrial processing of aluminium alloys. Materials Science Forum
Academic article
Westermann, Ida; Hopperstad, Odd Sture; Marthinsen, Knut; Holmedal, Bjørn. (2012) Effect of alloying elements on stage-III work-hardening behaviour of Al-Zn-Mg(-Cu) alloys. International Journal of Materials Research - Zeitschrift für Metallkunde
Academic article
Holmedal, Bjørn. (2012) Stability of rolls in finite-amplitude Rayleigh-Benard convection in a high-Prandtl-number fluid between a perfectly conducting boundary and a slab of finite thickness and finite conductivity. European journal of mechanics. B, Fluids
Academic article
Zhao, Qinglong; Slagsvold, Marius; Holmedal, Bjørn. (2012) Comparison of the influence of Si and Fe in 99.999% purity aluminum and in commercial-purity aluminum. Scripta Materialia
Academic article
Zhang, Kai; Holmedal, Bjørn; Manik, Tomas. (2012) Crystal Plasticity Calculations of Mechanical Anisotropy of Aluminium Compared to Experiments and to Yield Criterion Fittings. John Wiley & Sons
Academic chapter/article/Conference paper
Govindaraj, Nagaraj Vinayagam; Holmedal, Bjørn. (2012) Threshold Deformation for Exhibiting the Hardening on Annealing Behavior in AA3103 Alloy. John Wiley & Sons
Academic chapter/article/Conference paper
Zhao, Qinglong; Holmedal, Bjørn. (2012) Effect of Si Additions on Solid Solution Hardening of Al-Mn Alloys. John Wiley & Sons
Academic chapter/article/Conference paper
Westermann, Ida; Hopperstad, Odd Sture; Myhr, Ole Runar; Marthinsen, Knut; Holmedal, Bjørn. (2012) Modeling of Work-Hardening in an Age-hardenable AA7108 Aluminum Alloy. John Wiley & Sons
Academic chapter/article/Conference paper
Manik, Tomas; Holmedal, Bjørn; Hopperstad, Odd Sture. (2012) Modeling of Transients as a Response to Changes in Strain–Path of Commercially Pure Aluminium. John Wiley & Sons
Academic chapter/article/Conference paper

2011

Dumoulin, Stephane; Friis, Jesper; Gouttebroze, Sylvain; Holmedal, Bjørn; Marthinsen, Knut. (2011) 3D Crystal Plasticity Modelling of Complex Microstructures in Extruded Products. AIP Conference Proceedings
Academic article
Westermann, Ida; Snilsberg, Knut Erik; Sharifi, Z; Hopperstad, Odd Sture; Marthinsen, Knut; Holmedal, Bjørn. (2011) Three-Point Bending of Heat-Treatable Aluminum Alloys: Influence of Microstructure and Texture on Bendability and Fracture Behavior. Metallurgical and Materials Transactions A
Academic article

2010

Westermann, Ida; Snilsberg, Knut Erik; Holmedal, Bjørn; Hopperstad, Odd Sture; Marthinsen, Knut. (2010) Bendability and Fracture Behaviour of Heat-treatable Extruded Aluminium Alloys.
Academic chapter/article/Conference paper
Westermann, Ida; Hopperstad, Odd Sture; Marthinsen, Knut; Holmedal, Bjørn. (2010) Work-hardening behaviour of a heat-treatable AA7108 aluminium alloy deformed to intermediate strains by compression. Journal of Materials Science
Academic article
Marthinsen, Knut; Abtahi, Shahriar; Holmedal, Bjørn; Friis, Jesper; Nes, Erik Aasmund; Furu, Trond. (2010) Modelling the Work Hardening Behaviour of AlMgMn Alloys. Materials Science Forum
Academic article
Snilsberg, Knut Erik; Westermann, Ida; Holmedal, Bjørn; Hopperstad, Odd Sture; Langsrud, Yngve; Marthinsen, Knut. (2010) Anisotropy of Bending Properties in Industrial Heat-treatable Extruded Aluminium Alloys. Materials Science Forum
Academic article

2009

Westermann, Ida; Hopperstad, Odd Sture; Marthinsen, Knut; Holmedal, Bjørn. (2009) Ageing and work-hardening behaviour of a commercial AA7108 aluminium alloy. Materials Science & Engineering: A
Academic article
Westermann, Ida; Hopperstad, Odd Sture; Marthinsen, Knut; Holmedal, Bjørn. (2009) Work- and age-hardening behaviour of a commercial AA7108 aluminium alloy. Materials Science Forum
Academic article
Kurukuri, S.; van den Boogaard, A.H.; Miroux, A; Holmedal, Bjørn. (2009) Warm forming simulation of Al-Mg sheet. Journal of Materials Processing Technology
Academic article

2008

Grytten, Frode; Holmedal, Bjørn; Hopperstad, Odd Sture; Børvik, Tore. (2008) Evaluation of identification methods for YLD2004-18p. International journal of plasticity
Academic article
Nijs, Oscar Cornelis Johanna; Holmedal, Bjørn; Friis, Jesper; Nes, Erik Aasmund. (2008) Sub-structure strengthening and work hardening of an ultra-fine grained aluminium-magnesium alloy. Materials Science & Engineering: A
Academic article
Holmedal, Bjørn; Van Houtte, P.; An, Y.. (2008) A crystal plasticity model for strain-path changes in metals. International journal of plasticity
Academic article
Holmedal, Bjørn; Skaret, Pål Christian; Nes, Erik Aasmund. (2008) Abrupt strain-rate changes in high-purity binary Al-Mn alloys. Wiley-VCH
Academic chapter/article/Conference paper
Haaland, Bjørnar Øvrum; Westermann, Ida; Holmedal, Bjørn; Nes, Erik Aasmund. (2008) Microstructure and properties of as-deformed and annealed accumulated roll-bonded aluminium alloys. Wiley-VCH
Academic chapter/article/Conference paper

2007

Holmedal, Bjørn. (2007) On the formulation of the mechanical threshold stress model. Acta Materialia
Academic article

2006

Nes, Erik Aasmund; Holmedal, Bjørn; Forbord, Børge. (2006) The Effect of Boundary Structure on the Mechanical Properties of Aluminium Alloys. Materials Science Forum
Academic article
Friis, Jesper; Holmedal, Bjørn; Ryen, Øyvind; Nes, Erik Aasmund; Myhr, Ole Runar; Grong, Øystein. (2006) Work hardening behaviour of heat-treatable Al-Mg-Si-alloys. Materials Science Forum
Academic article
Ryen, Øyvind; Nijs, Oscar Cornelis Johanna; Sjölander, Emma; Holmedal, Bjørn; Ekström, Hans Erik; Nes, Erik Aasmund. (2006) Strengthening mechanisms in solid solution aluminum alloys. Metallurgical and Materials Transactions A
Academic article
Ryen, Øyvind; Laukli, Hans Ivar; Holmedal, Bjørn; Nes, Erik Aasmund. (2006) Large strain work hardening of aluminum alloys and the effect of Mg in solid solution. Metallurgical and Materials Transactions A
Academic article
Hirsch, J; Holmedal, Bjørn; Nes, Erik Aasmund; Marthinsen, Knut; Engler, Olaf; Abtahi, Shahriar. (2006) Virtual Fabrication of Aluminium Products. John Wiley & Sons John Wiley & Sons
Non-fiction book
Marthinsen, Knut; Abtahi, Shahriar; Holmedal, Bjørn; Nes, Erik Aasmund; Johansen, Arve; Furu, Trond. (2006) Through Process Simulation of EN AW-3103 Sheet Production Modelling the Evolution of Microstructure, Texture, Microchemistry and Mechanical Properties. John Wiley & Sons
Academic chapter/article/Conference paper
Furu, Trond; Dons, Anne Lise; Berstad, Torodd; Holmedal, Bjørn; Marthinsen, Knut. (2006) Through Process Modeling of Extrusion: Evolution in Microstructure and Mechanical Properties through the whole Process Chain from As Cast and Homogenized Condition to Forming of Profiles. John Wiley & Sons
Academic chapter/article/Conference paper
Holmedal, Bjørn; Nes, Erik Aasmund; Marthinsen, Knut. (2006) Work Hardening of Aluminium Alloys - A Review of Selected Work Hardening Models. John Wiley & Sons
Academic chapter/article/Conference paper

2005

Holmedal, Bjørn. (2005) Stability of squares and rolls in Rayleigh-Benard convection in an infinite-Prandtl-number fluid between slabs. Journal of Fluid Mechanics
Academic article
Holmedal, Bjørn; Tveitereid, Morten; Palm, Enok. (2005) Planform selection in Rayleigh-Bénard convection between finite slabs. Journal of Fluid Mechanics
Academic article
Holmedal, Bjørn; Marthinsen, Knut; Nes, Erik Aasmund. (2005) A unified microstructural metal plasticity model applied for testing, processing and forming of aluminium alloys. Zeitschrift für Metallkunde
Academic article
Nes, Erik Aasmund; Holmedal, Bjørn; Evangelista, E.; Marthinsen, Knut. (2005) Modelling grain boundary strengthening in ultra-fine grained aluminum alloys. Materials Science & Engineering: A
Academic article
Berstad, Torodd; Furu, Trond; Holmedal, Bjørn; Hopperstad, Odd Sture; Lademo, Odd-Geir; Nes, Erik Aasmund. (2005) "FEM and a microstructure based work hardening model used to calculate forming limit curves". International Journal of Forming Processes
Academic article
Holmedal, Bjørn; Tveitereid, Morten; Palm, Enok. (2005) Planform selection in Rayleigh-Benard convection between finite slabs. Journal of Fluid Mechanics
Academic article
Fjeldbo, Snorre Kjørstad; Holmedal, Bjørn; Lademo, Odd-Geir; Bjerkaas, Hans; Støren, Sigurd; Roven, Hans Jørgen. (2005) A numerical study on the onset of plastic instability in extruded materials with strong through-thickness texture variation.
Academic chapter/article/Conference paper

2004

Holmedal, Bjørn; Van houtte, Paul; An, Yougo; Pedersen, Ketill Olav; Furu, Trond; Court, S.. (2004) strain path changes in Aliuminium alloys. Aluminium
Academic article
Ryen, Øyvind; Holmedal, Bjørn; Nes, Erik. (2004) LARGE STRAIN WORK HARDENING AND SOFTENING OF ALUMINIUM ALLOYS - A MICROSTRUCTURAL MODELLING APPROACH. Proceedings of the Risø International Symposium on Materials Science
Academic article
Ryen, Øyvind; Holmedal, Bjørn; Roven, Hans Jørgen; Nes, Erik. (2004) Plastic anisotropy in recrystallized and unrecrystallized extruded aluminium profiles. Proceedings / The 9th international conference on aluminium alloys
Academic article
Nes, Erik Aasmund; Marthinsen, Knut; Holmedal, Bjørn. (2004) The effect of boundary spacing on substructure strengthening. Materials Science and Technology
Academic article
Marthinsen, Knut; Abtahi, Shahriar; Sjølstad, Knut; Holmedal, Bjørn; Nes, Erik Aasmund; Johansen, Arve. (2004) Modelling the evolution of microstructure and mechanical properties during processing of AA3103. Aluminium
Academic article
Holmedal, Bjørn; Evangelista, E.; Marthinsen, Knut; Nes, Erik Aasmund. (2004) Modelling grain boundary strengthening in aluminium alloys. Proceedings of the Risø International Symposium on Materials Science
Academic article
Furu, Trond; Johansen, Arve; Sæter, Jan Anders; Dons, Anne Lise; Pedersen, Ketill Olav; Berstad, Torodd. (2004) Through process modeling of extrusion: Evolution in microstructure and mechanical properties through the hole process chain from as cast and homogenized condition to forming of profiles. Aluminium
Academic article
Berstad, Torodd; Furu, Trond; Holmedal, Bjørn; Hopperstad, Odd Sture; Lademo, Odd-Geir; Nes, Erik Aasmund. (2004) FEM and a microstructure based work hardening model used to calculate forming limit curves. Esaform Conference on Material Forming. ESAFORM : Proceedings
Academic article
Ryen, Øyvind; Holmedal, Bjørn; Nes, Erik. (2004) Work Hardening of Non-Heat Treatable Aluminium Alloys towards Large Strains. Aluminium
Academic article
Pettersen, T; Holmedal, Bjørn; Nes, Erik Aasmund. (2004) Microstructure development during hot deformation of aluminum to large strains. Metallurgical and Materials Transactions A
Academic article

2003

Marthinsen, Knut; Holmedal, Bjørn; Abtahi, Shahriar; Valle, Randulf; Chen, Shang Ping; Nes, Erik Aasmund. (2003) Coupled FEM and Microstructure Modeling applied to Rolling and Extrusion of Aluminium Alloys. Materials Science Forum
Academic article

2002

Ryen, Øyvind; Holmedal, Bjørn; Nes, Erik. (2002) Characterisation and Modelling of Work Hardening in Al-Mg and Al-Mn Alloys. Materials Science Forum
Academic article
Holmedal, Bjørn; Ryen, Øyvind; Van houtte, Paul; Nes, Erik Aasmund. (2002) Modelling work hardening and microstructure. Aluminium
Academic article
Holmedal, Bjørn; Abtahi, Shahriar; Marthinsen, Knut; Nes, Erik Aasmund. (2002) Modelling the evolution in microstructure and properties during deformation of Aluminium. Materials Science Forum
Academic article
Marthinsen, Knut; Abtahi, Shahriar; Holmedal, Bjørn; Nes, Erik Aasmund. (2002) A through process modelling approach to the modelling of extrusion. Aluminium
Academic article

1993

Andersson, Helge Ingolf; Braseth, A. O.; Holmedal, Bjørn. (1993) Computation of the inlet wall jet in a rectangular enclosure. Theoretical and Computational Fluid Dynamics
Academic article
Andersson, Helge Ingolf; Holmedal, Bjørn. (1993) Magnetohydrodynamic melting flow from a horizontal rotating disk. Mathematical Models and Methods in Applied Sciences
Academic article

Journal publications

Holmedal, Bjørn; Manik, Tomas. (2025) On Labusch's solid solution depinning and strength estimate. Proceedings of the Royal Society. Mathematical, Physical and Engineering Sciences
Academic article
Asadkandi, Hassan Moradi; Manik, Tomas; Holmedal, Bjørn; Hopperstad, Odd Sture. (2025) Open-source implementations and comparison of explicit and implicit crystal-plasticity finite element methods. Computers & structures
Academic article
Holmedal, Bjørn; Kula, Anna; Niewczas, marek. (2024) Plasticity of solid solution Al-Mn and Al-Mn-Si alloys. Journal of Materials Science and Engineering: A
Academic article
Mi, Xiaoxi; Dai, Lili; Jing, Xuerui; She, Jia; Holmedal, Bjørn; Tang, Aitao. (2024) Accelerated design of high-performance Mg-Mn-based magnesium alloys based on novel bayesian optimization. Journal of Magnesium and Alloys
Academic article
Imani Aria, Arash; Holmedal, Bjørn; Manik, Tomas; Marthinsen, Knut. (2024) Crystal-plasticity modelling of the yield surfaces and anelasticity in the elastoplastic transition of metals. European Journal of Mechanics. A, Solids
Academic article
Imani Aria, Arash; Holmedal, Bjørn; Manik, Tomas; Marthinsen, Knut. (2024) A Full-Field Crystal Plasticity Study on the Bauschinger Effect Caused by Non-Shearable Particles and Voids in Aluminium Single Crystals. Metals
Academic article
Gopal, Akash; Shah, Sohail; Holmedal, Bjørn. (2024) On the influence of crystallographic texture on cyclic hardening of an AlMgSi alloy. Scripta Materialia
Academic article
Shah, Sohail; Thronsen, Elisabeth; De Geuser, Frederic; Hatzoglou, Constantinos; Marioara, Calin Daniel; Holmestad, Randi. (2023) On the Use of a Cluster Identification Method and a Statistical Approach for Analyzing Atom Probe Tomography Data for GP Zones in Al–Zn–Mg(–Cu) Alloys. Microscopy and Microanalysis
Academic article
Imani Aria, Arash; Manik, Tomas; Holmedal, Bjørn; Marthinsen, Knut. (2023) A computational study on efficient yield surface calibrations using a crystal plasticity spectral solver. Multiscale and Multidisciplinary Modeling, Experiments and Design
Academic article
Hell, Christoph Martin; Holmedal, Bjørn; Bjørge, Ruben; Marioara, Calin Daniel; Holmestad, Randi. (2023) The microstructural origin of a hardness double-peak in an age-hardened EN-AW 6082. Acta Materialia
Academic article
Xu, Jianbin; Hopperstad, Odd Sture; Holmedal, Bjørn; Berstad, Torodd; Manik, Tomas; Marthinsen, Knut. (2023) On the spatio-temporal characteristics of the Portevin-Le Chatelier effect in aluminium alloy AA5182: An experimental and numerical study. International journal of plasticity
Academic article
Thronsen, Elisabeth; Shah, Sohail; Hatzoglou, Constantinos; Marioara, Calin Daniel; Wenner, Sigurd; Andersen, Sigmund Jarle. (2023) The evolution of precipitates in an Al–Zn–Mg alloy. Journal of Materials Research and Technology (JMR&T)
Academic article
Mi, Xiaoxi; Jing, Xuerui; Wang, Hailian; Xu, Jianbin; She, Jia; Tang, Aitao. (2023) A machine learning enabled ultra-fine grain design strategy of Mg–Mn-based alloys. Journal of Materials Research and Technology (JMR&T)
Academic article
Xu, Jianbin; Liu, Lei; Hopperstad, Odd Sture; Holmedal, Bjørn; Manik, Tomas; Marthinsen, Knut. (2022) A simple method enabling efficient quantitative analysis of the Portevin–Le Chatelier band characteristics. Scripta Materialia
Academic article
Shah, Sohail; Gopal, Akash; Thronsen, Elisabeth; Hatzoglou, Constantinos; Holmedal, Bjørn. (2022) Precipitation, mechanical properties and early slant ductile fracture in cyclic and naturally aged Al-Zn-Mg(-Cu) alloys. Materials & design
Academic article
Linga, Håkon; Zhang, Yubin; Brøtan, Vegard; Ren, Xiaobo; Westermann, Ida; Holmedal, Bjørn. (2022) In-situ X-ray microtomography of interface between additively manufactured aluminium bronze and H13 tool steel. IOP Conference Series: Materials Science and Engineering
Academic article
Shah, Sohail; Thronsen, Elisabeth; Hatzoglou, Constantinos; Wenner, Sigurd; Marioara, Calin Daniel; Holmestad, Randi. (2022) Effect of cyclic ageing on the early-stage clustering in Al–Zn–Mg(-Cu) alloys. Materials Science & Engineering: A
Academic article
Manik, Tomas; Moradi Asadkandi, Hassan; Holmedal, Bjørn. (2022) A robust algorithm for rate-independent crystal plasticity. Computer Methods in Applied Mechanics and Engineering
Academic article
Xu, Jianbin; Holmedal, Bjørn; Hopperstad, Odd Sture; Manik, Tomas; Marthinsen, Knut. (2022) Dynamic strain ageing in an AlMg alloy at different strain rates and temperatures: Experiments and constitutive modelling. International journal of plasticity
Academic article
Li, Yue; Holmedal, Bjørn; Liu, Boyu; Li, Hongxiang; Zhuang, Linzhong; Zhang, Jishan. (2021) Towards high-throughput microstructure simulation in compositionally complex alloys via machine learning. Calphad
Academic article
Manik, Tomas; Marthinsen, Knut; Zhang, Kai; Imani Aria, Arash; Holmedal, Bjørn. (2021) Deformation Texture Evolution in Flat Profile AlMgSi Extrusions: Experiments, FEM, and Crystal Plasticity Modeling. Frontiers in Materials
Academic article
Lu, Feng; Sunde, Jonas Kristoffer; Marioara, Calin Daniel; Holmestad, Randi; Holmedal, Bjørn. (2021) An improved modelling framework for strength and work hardening of precipitate strengthened Al–Mg–Si alloys. Materials Science & Engineering: A
Academic article
Lu, Feng; Manik, Tomas; Holmedal, Bjørn. (2021) Stress corrections after necking using a two-parameter equation for the radius of curvature. Journal of applied mechanics
Academic article
Lu, Feng; Manik, Tomas; Andersen, Ida Lægreid; Holmedal, Bjørn. (2021) A Robust Image Processing Algorithm for Optical-Based Stress–Strain Curve Corrections after Necking. Journal of materials engineering and performance (Print)
Academic article
Sunde, Jonas Kristoffer; Lu, Feng; Marioara, Calin Daniel; Holmedal, Bjørn; Holmestad, Randi. (2021) Linking mechanical properties to precipitate microstructure in three Al-Mg-Si(-Cu) alloys. Materials Science & Engineering: A
Academic article
Xu, Jianbin; Holmedal, Bjørn; Hopperstad, Odd Sture; Marthinsen, Knut. (2021) Experimental Characterization and Modelling of the PLC Effect in an AlMg-Alloy. Materials Science Forum
Academic article
Holmedal, Bjørn. (2020) Regularized Yield Surfaces for Crystal Plasticity of Metals. Crystals
Academic article
Holmedal, Bjørn. (2020) Spin and vorticity with vanishing rigid-body rotation during shear in continuum mechanics. Journal of the Mechanics and Physics of Solids
Academic article
Christiansen, Emil; Marioara, Calin Daniel; Ringdalen, Inga Gudem; Bjørge, Ruben; Holmedal, Bjørn; Hopperstad, Odd Sture. (2020) Detailed investigation of the shearing mechanism of β" precipitates in Al-Mg-Si alloys. MATEC Web of Conferences
Academic article
Zhang, Kai; Holmedal, Bjørn; Manik, Tomas; Saai, Afaf. (2019) Assessment of advanced Taylor models, the Taylor factor and yield-surface exponent for FCC metals. International journal of plasticity
Academic article
Holmedal, Bjørn. (2019) Bauschinger effect modelled by yield surface distortions. International journal of plasticity
Academic article
Qin, Jisheng; Holmedal, Bjørn; Hopperstad, Odd Sture. (2019) Experimental characterization and modeling of aluminum alloy AA3103 for complex single and double strain-path changes. International journal of plasticity
Academic article
Arbo, Siri Marthe; Bergh, Tina; Holmedal, Bjørn; Vullum, Per Erik; Westermann, Ida. (2019) Relationship between Al-Ni intermetallic Phases and Bond Strength in Roll Bonded Steel-Aluminum Composites with Nickel Interlayers. Metals
Academic article
Mørtsell, Eva Anne; Westermann, Ida; Marioara, Calin Daniel; Pedersen, Ketill Olav; Andersen, Sigmund Jarle; Røyset, Jostein. (2019) The effect of elastic strain and small plastic deformation on tensile strength of a lean Al-Mg-Si alloy. Metals
Academic article
Christiansen, Emil; Marioara, Calin Daniel; Holmedal, Bjørn; Hopperstad, Odd Sture; Holmestad, Randi. (2019) Nano-scale characterisation of sheared β” precipitates in a deformed Al-Mg-Si alloy. Scientific Reports
Academic article
Qin, Jisheng; Holmedal, Bjørn; Hopperstad, Odd Sture. (2018) A combined isotropic, kinematic and distortional hardening model for aluminum and steels under complex strain-path changes. International journal of plasticity
Academic article
Zhang, Kai; Marthinsen, Knut; Holmedal, Bjørn; Aukrust, Trond; Segatori, Antonio. (2018) Through thickness variations of deformation texture in round profile extrusions of 6063-type aluminium alloy: Experiments, FEM and crystal plasticity modelling. Materials Science & Engineering: A
Academic article
Du, Qiang; Jia, Lina; Tang, Kai; Holmedal, Bjørn. (2018) Modelling and experimental validation of microstructure evolution during the cooling stage of homogenization heat treatment of Al-Mg-Si alloys. Materialia
Academic article
Arbo, Siri Marthe; Bergh, Tina; Solhaug, Harald; Westermann, Ida; Holmedal, Bjørn. (2018) Influence of thermomechanical processing sequence on properties of AA6082-IF steel cold roll bonded composite sheet. Procedia Manufacturing
Academic article
Li, Yue; Holmedal, Bjørn; Li, Hongxiang; Zhuang, Linzhong; Zhang, Jishan; Du, Qiang. (2018) Precipitation and strengthening modeling for disk-shaped particles in aluminum alloys: Size distribution considered. Materialia
Academic article
Arbo, Siri Marthe; Westermann, Ida; Holmedal, Bjørn. (2018) Influence of Stacking Sequence and Intermediate Layer Thickness in AA6082-IF Steel Tri-Layered Cold Roll Bonded Composite Sheets. Key Engineering Materials
Academic article
Snilsberg, Knut Erik; Welo, Torgeir; Moen, Knut Erling; Holmedal, Bjørn; Jensrud, Ola; Koroschetz, Christian. (2017) A new tribological system test for integrated hot forming and die quenching of aluminium alloy sheets. AIP Conference Proceedings
Academic article
Qin, Jisheng; Holmedal, Bjørn; Hopperstad, Odd Sture. (2017) Modelling of strain-path transients in commercially pure aluminium. Materials Science Forum
Academic article
Du, Qiang; Tang, Kai; Marioara, Calin Daniel; Andersen, Sigmund Jarle; Holmedal, Bjørn; Holmestad, Randi. (2017) Modeling over-ageing in Al-Mg-Si alloys by a multi-phase CALPHAD-coupled Kampmann-Wagner Numerical model. Acta Materialia
Academic article
Zhang, Kai; Marthinsen, Knut; Holmedal, Bjørn; Friis, Jesper; Pettersen, Tanja; Segatori, Antonio. (2017) Characterization and Modelling of the Microstructure and Texture Evolution In AlMgSi-Extrusions. Materials Science Forum
Academic article
Qin, Jisheng; Holmedal, Bjørn; Zhang, Kai; Hopperstad, Odd Sture. (2017) Modeling strain-path changes in aluminum and steel. International Journal of Solids and Structures
Academic article
Vilamosa, Vincent; Clausen, Arild Holm; Børvik, Tore; Holmedal, Bjørn; Hopperstad, Odd Sture. (2016) A physically-based constitutive model applied to AA6082 aluminium alloy at large strains, high strain rates and elevated temperatures. Materials & design
Academic article
Zhang, Kai; Marthinsen, Knut; Holmedal, Bjørn; Aukrust, Trond; Segatori, A. (2015) Coupled FEM and Alamel-type polycrystal plasticity modelling applied to extrusion of aluminium alloys. Materials Today: Proceedings
Academic article
Zhao, Qinglong; Holmedal, Bjørn; Li, Yanjun; Sagvolden, Espen; Løvvik, Ole Martin. (2015) Multi-component solid solution and cluster hardening of Al-Mn-Si alloys. Materials Science & Engineering: A
Academic article
Zhang, Kai; Holmedal, Bjørn; Hopperstad, Odd Sture; Dumoulin, Stephane; Gawad, Jerzy; Van Bael, Albert. (2015) Multi-level modelling of mechanical anisotropy of commercial pure aluminium plate: Crystal plasticity models, advanced yield functions and parameter identification. International journal of plasticity
Academic article
Keseler, Hanne; Westermann, Ida; Kandukuri, Sastry Yagnanna; Nøkleby, John Olav; Holmedal, Bjørn. (2015) Permanent effect of a cryogenic spill on fracture properties of structural steels. IOP Conference Series: Materials Science and Engineering
Academic article
Du, Qiang; Holmedal, Bjørn; Friis, Jesper; Marioara, Calin Daniel. (2015) Precipitation of Non-spherical Particles in Aluminum Alloys Part II: Numerical Simulation and Experimental Characterization During Aging Treatment of an Al-Mg-Si Alloy. Metallurgical and Materials Transactions A
Academic article
Holmedal, Bjørn; Osmundsen, Elisa; Du, Qiang. (2015) Precipitation of Non-Spherical Particles in Aluminum Alloys Part I: Generalization of the Kampmann–Wagner Numerical Model. Metallurgical and Materials Transactions A
Academic article
Holmedal, Bjørn. (2015) Strength contributions from precipitates. Philosophical Magazine Letters
Academic article
Mánik, Tomás; Holmedal, Bjørn; Hopperstad, Odd Sture. (2015) Strain-path change induced transients in flow stress, work hardening and r-values in aluminum. International journal of plasticity
Academic article
Ryen, Øyvind; Holmedal, Bjørn; Marthinsen, Knut; Furu, Trond. (2015) Precipitation, strength and work hardening of age hardened aluminium alloys. IOP Conference Series: Materials Science and Engineering
Academic article
Holmedal, Bjørn. (2015) On the basic relation between mean free slip length and work hardening of metals. Philosophical Magazine
Academic article
Zhang, Kai; Pettersen, Tanja; Paulsen, Christian Oen; Marthinsen, Knut; Holmedal, Bjørn; Segatori, A. (2015) Recrystallization behaviour of AA6063 extrusions. IOP Conference Series: Materials Science and Engineering
Academic article
Zhang, Kai; Holmedal, Bjørn; Dumoulin, Stephane; Hopperstad, Odd Sture. (2014) An explicit integration scheme for hypo-elastic viscoplastic crystal plasticity. Transactions of Nonferrous Metals Society of China
Academic article
Zhao, Qinglong; Holmedal, Bjørn. (2014) Influence of dispersoids on grain subdivision and texture evolution in aluminium alloys during cold rolling. Transactions of Nonferrous Metals Society of China
Academic article
Zhang, Kai; Holmedal, Bjørn; Hopperstad, Odd Sture; Dumoulin, Stephane. (2014) Modelling the plastic anisotropy of aluminium alloy 3103 sheets by polycrystal plasticity models. Modelling and Simulation in Materials Science and Engineering
Academic article
Govindaraj, Nagaraj Vinayagam; Bjørge, Ruben; Holmedal, Bjørn. (2014) Characterizing hardening on annealing of cold-rolled aluminum AA3103 strips. Metallurgical and Materials Transactions A
Academic article
Mánik, Tomás; Holmedal, Bjørn. (2014) Review of the Taylor ambiguity and the relationship between rate-independent and rate-dependent full-constraints Taylor models. International journal of plasticity
Academic article
Zhang, Kai; Hopperstad, Odd Sture; Holmedal, Bjørn; Dumoulin, Stephane. (2014) A robust and efficient substepping scheme for the explicit numerical integration of a rate-dependent crystal plasticity model. International Journal for Numerical Methods in Engineering
Academic article
Zhang, Kai; Holmedal, Bjørn; Hopperstad, Odd Sture; Dumoulin, Stephane. (2014) Use of plane-strain tension and shear tests to evaluate yield surfaces for AA1050 aluminium sheet. Materials Science Forum
Academic article
Zhao, Qinglong; Holmedal, Bjørn. (2013) The effect of silicon on the strengthening and work hardening of aluminum at room temperature. Materials Science & Engineering: A
Academic article
Mánik, Tomás; Holmedal, Bjørn. (2013) Additional relaxations in the Alamel texture model. Materials Science & Engineering: A
Academic article
Zhao, Qinglong; Holmedal, Bjørn; Li, Yanjun. (2013) Influence of dispersoids on microstructure evolution and work hardening of aluminium alloys during tension and cold rolling. Philosophical Magazine
Academic article
Manik, Tomas; Holmedal, Bjørn. (2013) On the criterion for compensation to avoid elastic-plastic transients during strain rate change tests. Acta Materialia
Academic article
Govindaraj, Nagaraj Vinayagam; Lauvdal, Steinar; Holmedal, Bjørn. (2013) Tensile bond strength of cold roll bonded aluminium sheets. Journal of Materials Processing Technology
Academic article
Govindaraj, Nagaraj Vinayagam; Frydendahl, Jan Gaute; Holmedal, Bjørn. (2013) Layer continuity in accumulative roll bonding of dissimilar material combinations. Materials & design
Academic article
Zhao, Qinglong; Holmedal, Bjørn. (2013) Modelling work hardening of aluminium alloys containing dispersoids. Philosophical Magazine
Academic article
Marthinsen, Knut; Friis, Jesper; Holmedal, Bjørn; Skauvik, Inge; Furu, Trond. (2012) Modelling the recrystallization behaviour during industrial processing of aluminium alloys. Materials Science Forum
Academic article
Westermann, Ida; Hopperstad, Odd Sture; Marthinsen, Knut; Holmedal, Bjørn. (2012) Effect of alloying elements on stage-III work-hardening behaviour of Al-Zn-Mg(-Cu) alloys. International Journal of Materials Research - Zeitschrift für Metallkunde
Academic article
Holmedal, Bjørn. (2012) Stability of rolls in finite-amplitude Rayleigh-Benard convection in a high-Prandtl-number fluid between a perfectly conducting boundary and a slab of finite thickness and finite conductivity. European journal of mechanics. B, Fluids
Academic article
Zhao, Qinglong; Slagsvold, Marius; Holmedal, Bjørn. (2012) Comparison of the influence of Si and Fe in 99.999% purity aluminum and in commercial-purity aluminum. Scripta Materialia
Academic article
Dumoulin, Stephane; Friis, Jesper; Gouttebroze, Sylvain; Holmedal, Bjørn; Marthinsen, Knut. (2011) 3D Crystal Plasticity Modelling of Complex Microstructures in Extruded Products. AIP Conference Proceedings
Academic article
Westermann, Ida; Snilsberg, Knut Erik; Sharifi, Z; Hopperstad, Odd Sture; Marthinsen, Knut; Holmedal, Bjørn. (2011) Three-Point Bending of Heat-Treatable Aluminum Alloys: Influence of Microstructure and Texture on Bendability and Fracture Behavior. Metallurgical and Materials Transactions A
Academic article
Westermann, Ida; Hopperstad, Odd Sture; Marthinsen, Knut; Holmedal, Bjørn. (2010) Work-hardening behaviour of a heat-treatable AA7108 aluminium alloy deformed to intermediate strains by compression. Journal of Materials Science
Academic article
Marthinsen, Knut; Abtahi, Shahriar; Holmedal, Bjørn; Friis, Jesper; Nes, Erik Aasmund; Furu, Trond. (2010) Modelling the Work Hardening Behaviour of AlMgMn Alloys. Materials Science Forum
Academic article
Snilsberg, Knut Erik; Westermann, Ida; Holmedal, Bjørn; Hopperstad, Odd Sture; Langsrud, Yngve; Marthinsen, Knut. (2010) Anisotropy of Bending Properties in Industrial Heat-treatable Extruded Aluminium Alloys. Materials Science Forum
Academic article
Westermann, Ida; Hopperstad, Odd Sture; Marthinsen, Knut; Holmedal, Bjørn. (2009) Ageing and work-hardening behaviour of a commercial AA7108 aluminium alloy. Materials Science & Engineering: A
Academic article
Westermann, Ida; Hopperstad, Odd Sture; Marthinsen, Knut; Holmedal, Bjørn. (2009) Work- and age-hardening behaviour of a commercial AA7108 aluminium alloy. Materials Science Forum
Academic article
Kurukuri, S.; van den Boogaard, A.H.; Miroux, A; Holmedal, Bjørn. (2009) Warm forming simulation of Al-Mg sheet. Journal of Materials Processing Technology
Academic article
Grytten, Frode; Holmedal, Bjørn; Hopperstad, Odd Sture; Børvik, Tore. (2008) Evaluation of identification methods for YLD2004-18p. International journal of plasticity
Academic article
Nijs, Oscar Cornelis Johanna; Holmedal, Bjørn; Friis, Jesper; Nes, Erik Aasmund. (2008) Sub-structure strengthening and work hardening of an ultra-fine grained aluminium-magnesium alloy. Materials Science & Engineering: A
Academic article
Holmedal, Bjørn; Van Houtte, P.; An, Y.. (2008) A crystal plasticity model for strain-path changes in metals. International journal of plasticity
Academic article
Holmedal, Bjørn. (2007) On the formulation of the mechanical threshold stress model. Acta Materialia
Academic article
Nes, Erik Aasmund; Holmedal, Bjørn; Forbord, Børge. (2006) The Effect of Boundary Structure on the Mechanical Properties of Aluminium Alloys. Materials Science Forum
Academic article
Friis, Jesper; Holmedal, Bjørn; Ryen, Øyvind; Nes, Erik Aasmund; Myhr, Ole Runar; Grong, Øystein. (2006) Work hardening behaviour of heat-treatable Al-Mg-Si-alloys. Materials Science Forum
Academic article
Ryen, Øyvind; Nijs, Oscar Cornelis Johanna; Sjölander, Emma; Holmedal, Bjørn; Ekström, Hans Erik; Nes, Erik Aasmund. (2006) Strengthening mechanisms in solid solution aluminum alloys. Metallurgical and Materials Transactions A
Academic article
Ryen, Øyvind; Laukli, Hans Ivar; Holmedal, Bjørn; Nes, Erik Aasmund. (2006) Large strain work hardening of aluminum alloys and the effect of Mg in solid solution. Metallurgical and Materials Transactions A
Academic article
Holmedal, Bjørn. (2005) Stability of squares and rolls in Rayleigh-Benard convection in an infinite-Prandtl-number fluid between slabs. Journal of Fluid Mechanics
Academic article
Holmedal, Bjørn; Tveitereid, Morten; Palm, Enok. (2005) Planform selection in Rayleigh-Bénard convection between finite slabs. Journal of Fluid Mechanics
Academic article
Holmedal, Bjørn; Marthinsen, Knut; Nes, Erik Aasmund. (2005) A unified microstructural metal plasticity model applied for testing, processing and forming of aluminium alloys. Zeitschrift für Metallkunde
Academic article
Nes, Erik Aasmund; Holmedal, Bjørn; Evangelista, E.; Marthinsen, Knut. (2005) Modelling grain boundary strengthening in ultra-fine grained aluminum alloys. Materials Science & Engineering: A
Academic article
Berstad, Torodd; Furu, Trond; Holmedal, Bjørn; Hopperstad, Odd Sture; Lademo, Odd-Geir; Nes, Erik Aasmund. (2005) "FEM and a microstructure based work hardening model used to calculate forming limit curves". International Journal of Forming Processes
Academic article
Holmedal, Bjørn; Tveitereid, Morten; Palm, Enok. (2005) Planform selection in Rayleigh-Benard convection between finite slabs. Journal of Fluid Mechanics
Academic article
Holmedal, Bjørn; Van houtte, Paul; An, Yougo; Pedersen, Ketill Olav; Furu, Trond; Court, S.. (2004) strain path changes in Aliuminium alloys. Aluminium
Academic article
Ryen, Øyvind; Holmedal, Bjørn; Nes, Erik. (2004) LARGE STRAIN WORK HARDENING AND SOFTENING OF ALUMINIUM ALLOYS - A MICROSTRUCTURAL MODELLING APPROACH. Proceedings of the Risø International Symposium on Materials Science
Academic article
Ryen, Øyvind; Holmedal, Bjørn; Roven, Hans Jørgen; Nes, Erik. (2004) Plastic anisotropy in recrystallized and unrecrystallized extruded aluminium profiles. Proceedings / The 9th international conference on aluminium alloys
Academic article
Nes, Erik Aasmund; Marthinsen, Knut; Holmedal, Bjørn. (2004) The effect of boundary spacing on substructure strengthening. Materials Science and Technology
Academic article
Marthinsen, Knut; Abtahi, Shahriar; Sjølstad, Knut; Holmedal, Bjørn; Nes, Erik Aasmund; Johansen, Arve. (2004) Modelling the evolution of microstructure and mechanical properties during processing of AA3103. Aluminium
Academic article
Holmedal, Bjørn; Evangelista, E.; Marthinsen, Knut; Nes, Erik Aasmund. (2004) Modelling grain boundary strengthening in aluminium alloys. Proceedings of the Risø International Symposium on Materials Science
Academic article
Furu, Trond; Johansen, Arve; Sæter, Jan Anders; Dons, Anne Lise; Pedersen, Ketill Olav; Berstad, Torodd. (2004) Through process modeling of extrusion: Evolution in microstructure and mechanical properties through the hole process chain from as cast and homogenized condition to forming of profiles. Aluminium
Academic article
Berstad, Torodd; Furu, Trond; Holmedal, Bjørn; Hopperstad, Odd Sture; Lademo, Odd-Geir; Nes, Erik Aasmund. (2004) FEM and a microstructure based work hardening model used to calculate forming limit curves. Esaform Conference on Material Forming. ESAFORM : Proceedings
Academic article
Ryen, Øyvind; Holmedal, Bjørn; Nes, Erik. (2004) Work Hardening of Non-Heat Treatable Aluminium Alloys towards Large Strains. Aluminium
Academic article
Pettersen, T; Holmedal, Bjørn; Nes, Erik Aasmund. (2004) Microstructure development during hot deformation of aluminum to large strains. Metallurgical and Materials Transactions A
Academic article
Marthinsen, Knut; Holmedal, Bjørn; Abtahi, Shahriar; Valle, Randulf; Chen, Shang Ping; Nes, Erik Aasmund. (2003) Coupled FEM and Microstructure Modeling applied to Rolling and Extrusion of Aluminium Alloys. Materials Science Forum
Academic article
Ryen, Øyvind; Holmedal, Bjørn; Nes, Erik. (2002) Characterisation and Modelling of Work Hardening in Al-Mg and Al-Mn Alloys. Materials Science Forum
Academic article
Holmedal, Bjørn; Ryen, Øyvind; Van houtte, Paul; Nes, Erik Aasmund. (2002) Modelling work hardening and microstructure. Aluminium
Academic article
Holmedal, Bjørn; Abtahi, Shahriar; Marthinsen, Knut; Nes, Erik Aasmund. (2002) Modelling the evolution in microstructure and properties during deformation of Aluminium. Materials Science Forum
Academic article
Marthinsen, Knut; Abtahi, Shahriar; Holmedal, Bjørn; Nes, Erik Aasmund. (2002) A through process modelling approach to the modelling of extrusion. Aluminium
Academic article
Andersson, Helge Ingolf; Braseth, A. O.; Holmedal, Bjørn. (1993) Computation of the inlet wall jet in a rectangular enclosure. Theoretical and Computational Fluid Dynamics
Academic article
Andersson, Helge Ingolf; Holmedal, Bjørn. (1993) Magnetohydrodynamic melting flow from a horizontal rotating disk. Mathematical Models and Methods in Applied Sciences
Academic article

Books

Marthinsen, Knut; Holmedal, Bjørn; Li, Yanjun. (2014) Aluminium Alloys 2014 - ICAA14. Materials Science Forum (1-2)
Academic anthology/Conference proceedings
Hirsch, J; Holmedal, Bjørn; Nes, Erik Aasmund; Marthinsen, Knut; Engler, Olaf; Abtahi, Shahriar. (2006) Virtual Fabrication of Aluminium Products. John Wiley & Sons John Wiley & Sons
Non-fiction book

Part of book/report

Zhang, Kai; Marthinsen, Knut; Holmedal, Bjørn; Aukrust, Trond; Segatori, Antonio. (2018) EVOLUTION IN TEXTURE AND ITS THROUGH-THICKNESS VARIATIONS IN Al-Mg-Si-EXTRUSIONS: EXPERIMENTS AND MODELLING. Canadian Institute of Mining, Metallurgy and Petroleum
Academic chapter/article/Conference paper
Zhang, Kai; Holmedal, Bjørn; Manik, Tomas. (2012) Crystal Plasticity Calculations of Mechanical Anisotropy of Aluminium Compared to Experiments and to Yield Criterion Fittings. John Wiley & Sons
Academic chapter/article/Conference paper
Govindaraj, Nagaraj Vinayagam; Holmedal, Bjørn. (2012) Threshold Deformation for Exhibiting the Hardening on Annealing Behavior in AA3103 Alloy. John Wiley & Sons
Academic chapter/article/Conference paper
Zhao, Qinglong; Holmedal, Bjørn. (2012) Effect of Si Additions on Solid Solution Hardening of Al-Mn Alloys. John Wiley & Sons
Academic chapter/article/Conference paper
Westermann, Ida; Hopperstad, Odd Sture; Myhr, Ole Runar; Marthinsen, Knut; Holmedal, Bjørn. (2012) Modeling of Work-Hardening in an Age-hardenable AA7108 Aluminum Alloy. John Wiley & Sons
Academic chapter/article/Conference paper
Manik, Tomas; Holmedal, Bjørn; Hopperstad, Odd Sture. (2012) Modeling of Transients as a Response to Changes in Strain–Path of Commercially Pure Aluminium. John Wiley & Sons
Academic chapter/article/Conference paper
Westermann, Ida; Snilsberg, Knut Erik; Holmedal, Bjørn; Hopperstad, Odd Sture; Marthinsen, Knut. (2010) Bendability and Fracture Behaviour of Heat-treatable Extruded Aluminium Alloys.
Academic chapter/article/Conference paper
Holmedal, Bjørn; Skaret, Pål Christian; Nes, Erik Aasmund. (2008) Abrupt strain-rate changes in high-purity binary Al-Mn alloys. Wiley-VCH
Academic chapter/article/Conference paper
Haaland, Bjørnar Øvrum; Westermann, Ida; Holmedal, Bjørn; Nes, Erik Aasmund. (2008) Microstructure and properties of as-deformed and annealed accumulated roll-bonded aluminium alloys. Wiley-VCH
Academic chapter/article/Conference paper
Marthinsen, Knut; Abtahi, Shahriar; Holmedal, Bjørn; Nes, Erik Aasmund; Johansen, Arve; Furu, Trond. (2006) Through Process Simulation of EN AW-3103 Sheet Production Modelling the Evolution of Microstructure, Texture, Microchemistry and Mechanical Properties. John Wiley & Sons
Academic chapter/article/Conference paper
Furu, Trond; Dons, Anne Lise; Berstad, Torodd; Holmedal, Bjørn; Marthinsen, Knut. (2006) Through Process Modeling of Extrusion: Evolution in Microstructure and Mechanical Properties through the whole Process Chain from As Cast and Homogenized Condition to Forming of Profiles. John Wiley & Sons
Academic chapter/article/Conference paper
Holmedal, Bjørn; Nes, Erik Aasmund; Marthinsen, Knut. (2006) Work Hardening of Aluminium Alloys - A Review of Selected Work Hardening Models. John Wiley & Sons
Academic chapter/article/Conference paper
Fjeldbo, Snorre Kjørstad; Holmedal, Bjørn; Lademo, Odd-Geir; Bjerkaas, Hans; Støren, Sigurd; Roven, Hans Jørgen. (2005) A numerical study on the onset of plastic instability in extruded materials with strong through-thickness texture variation.
Academic chapter/article/Conference paper

Report

Xu, Jianbin; Marthinsen, Knut; Holmedal, Bjørn; Hopperstad, Odd Sture. (2021) An experimental and numerical study of the Portevin-Le Chatelier effect in an AlMg alloy. Norwegian University of Science and Technology
Doctoral dissertation
Lu, Feng; Holmedal, Bjørn. (2021) Stress-strain relations for age hardened AlMgSi alloys, measured with necking corrections and modelled based on TEM characterization. NTNU
Doctoral dissertation
Arbo, Siri Marthe; Westermann, Ida; Holmedal, Bjørn; Vullum, Per Erik. (2020) Cold Welding of steel and aluminum alloys. Joining process, intermetallic phases and bond strength. Doktoravhandlinger ved NTNU (16)
Doctoral dissertation
Qin, Jisheng; Holmedal, Bjørn; Hopperstad, Odd Sture. (2017) Experimental investigation and modelling of strain-path changes in metals. NTNU
Doctoral dissertation
Zhang, Kai; Holmedal, Bjørn; Marthinsen, Knut; Hopperstad, Odd Sture; Dumoulin, Stephane. (2014) Multi-level Modelling of Plastic Anisotropy of Aluminium Alloys Using Crystal Plasticity Models and Advanced Yield Functions. NTNU-trykk
Doctoral dissertation
Zhao, Qinglong; Holmedal, Bjørn; Marthinsen, Knut; Li, Yanjun. (2013) The influence of Mn, Fe and Si on the work hardening of aluminium alloys. Doktoravhandlinger ved NTNU (16)
Doctoral dissertation
Govindaraj, Nagaraj Vinayagam; Holmedal, Bjørn; Marthinsen, Knut. (2013) Light-weight materials produced by accumulative roll bonding. Doktoravhandlinger ved NTNU (114)
Doctoral dissertation
Mánik, Tomás; Holmedal, Bjørn; Hopperstad, Odd Sture; Marthinsen, Knut. (2013) Plastic-Anisotropy Modelling: Textrue, Strain-Rate and Strain-Path Changes. Doktoravhandlinger ved NTNU (304)
Doctoral dissertation
Wang, Ning; Marthinsen, Knut; Li, Yanjun; Holmedal, Bjørn; Engler, Olaf. (2013) Softening behaviour of Al-Mn-Fe-Si alloys during isothermal annealing. Doktoravhandlinger ved NTNU (358)
Doctoral dissertation

INFORMASJONSMATR

Holmedal, Bjørn. (2014) Multi-metal plates by roll bonding.
Website (informational material)

Teaching

Courses

Outreach

2024

Academic lecture

Holmedal, Bjørn; Asadkandi, Hassan Moradi; Manik, Tomas. (2024) Do we need crystal plasticity theory in metal forming simulations?. Nasjonal konferanse for materialteknologi 2024 2024-08-28 - 2024-08-29
Academic lecture

Manik, Tomas; Holmedal, Bjørn. (2024) Application of anisotropic yield functions with axial symmetry . ICOTOM 2024 2024-06-30 - 2024-07-06
Academic lecture

Asadkandi, Hassan Moradi; Manik, Tomas; Holmedal, Bjørn; Hopperstad, Odd Sture. (2024) Crystal plasticity finite element method, implementation, and applications . Nasjonal konferanse for Materialteknologi 2024 2024-08-28 - 2024-08-29
Academic lecture

Holmedal, Bjørn; Manik, Tomas; Asadkandi, Hassan Moradi. (2024) Improving the continuum theory by crystal plasticity simulations. ICOTOM 2024 2024-06-30 - 2024-07-06

2023

Academic lecture

Marthinsen, Knut; Aria, Arash Imani; Holmedal, Bjørn; Manik, Tomas. (2023) A spectral crystal-plasticity virtual laboratory for efficient calibration of anisotropic yield surfaces . Polytechnico di Torino The International Conference on the Physical Properties and Application of Advanced Materials (ICPMAT) , Torino, Italy 2023-10-24 -
Academic lecture

Asadkandi, Hassan Moradi; Holmedal, Bjørn; Hopperstad, Odd Sture; Manik, Tomas. (2023) Crystal Plasticity simulations of complex geometries. 5th International Conference on Light Materials - Science and Technology 2023-06-21 - 2023-06-23
Academic lecture

Holmedal, Bjørn. (2023) A distorted yield surface model for Bauschinger behaviour. International Conference on Plasticity, Damage, and Fracture 2023 2023-01-03 - 2023-01-09
Academic lecture

Reyne, Baptiste; Holmedal, Bjørn; Manik, Tomas. (2023) Open implementation of advanced distortional plasticity models in a commercial software. International Conference on Plasticity, Damage, and Fracture 2023 2023-01-03 - 2023-01-09
Academic lecture

Asadkandi, Hassan Moradi; Manik, Tomas; Holmedal, Bjørn. (2023) An efficient integration scheme for crystal plasticity finite element. International Conference on Plasticity, Damage, and Fracture 2023 2023-01-03 - 2023-01-09
Academic lecture

Asadkandi, Hassan Moradi; Manik, Tomas; Holmedal, Bjørn; Hopperstad, Odd Sture. (2023) Crystal plasticity prediction of the elasto-plastic transition. 14 th International Conference on the Technology of Plasticity 2023-09-24 - 2023-09-29
Academic lecture

Holmedal, Bjørn; Manik, Tomas; Reyne, Baptiste; Hopperstad, Odd Sture. (2023) From kinematic to distortional hardening. 14 th International Conference on the Technology of Plasticity 2023-09-24 - 2023-09-29
Academic lecture

Holmedal, Bjørn; Asadkandi, Hassan Moradi; Hopperstad, Odd Sture; Manik, Tomas; Reyne, Baptiste. (2023) Towards the next generation continuum plasticity theory for metals. 5th International Conference on Light Materials - Science and Technology 2023-06-21 - 2023-06-23
Academic lecture

Reyne, Baptiste; Holmedal, Bjørn; Manik, Tomas; Asadkandi, Hassan Moradi. (2023) Strain path changes in metal forming and the transient behavior of constitutive models: a comparative study. 5th International Conference on Light Materials - Science and Technology 2023-06-21 - 2023-06-23
Lecture

Holmedal, Bjørn. (2023) texture. kurs/forelesninger for Hydro , Sunndalsøra 2023-03-28 - 2023-04-01
Academic lecture

Manik, Tomas; Holmedal, Bjørn. (2023) On independent parameters and polynomial nature of Barlat-type of yield functions. 14th International Conference on the Technology of Plasticity 2023-09-24 - 2023-09-29
Academic lecture

Manik, Tomas; Asadkandi, Hassan Moradi; Reyne, Baptiste; Holmedal, Bjørn. (2023) Modelling of the Bauschinger effect using crystal plasticity calculations with reverse and latent hardening. 5th International Conference on Light Materials - Science and Technology 2023-06-21 - 2023-06-23
Academic lecture

Reyne, Baptiste; Manik, Tomas; Asadkandi, Hassan Moradi; Holmedal, Bjørn. (2023) Anisotropic hardening models for multiple strain path changes in high strength steels forming. 14 th International Conference on the Technology of Plasticity 2023-09-24 - 2023-09-29
Academic lecture

Imani Aria, Arash; Manik, Tomas; Holmedal, Bjørn; Marthinsen, Knut. (2023) An efficient crystal plasticity virtual laboratory for investigating mechanical anisotropy of metallic alloys. 5th International Conference on Light Materials - Science and Technology 2023-06-21 - 2023-06-23
Academic lecture

Holmedal, Bjørn. (2023) Modelling strength and work hardening of AlMgSi alloys. Seminar on clustering and precipitation in aluminium alloys , Orkanger 2023-05-10 - 2023-05-11
Academic lecture

Xu, Jianbin; Hopperstad, Odd Sture; Holmedal, Bjørn; Manik, Tomas; Marthinsen, Knut. (2023) Experimental and numerical investigation on the spatio-temporal characteristics of the Portevin-le-Chatelier effect in an aluminium alloy. International Conference on Plasticity, Deformation & Fracture , Punta Cana 2023-01-03 - 2023-01-09
Academic lecture

Manik, Tomas; Moradi Asadkandi, Hassan; Reyne, Baptiste; Holmedal, Bjørn. (2023) Open, Efficient and Robust Implicit Implementations of Crystal and Continuum Plasticity Models in FEM. NEAT International Conference on Plasticity, Damage and Fracture , Punta Cana, The Dominican Republic 2023-01-03 - 2023-01-08
Academic lecture

Marthinsen, Knut; Aria, Arash Imani; Holmedal, Bjørn; Manik, Tomas. (2023) A spectral crystal-plasticity solver for efficient calibration of anisotropic yield surfaces and studies of anelasticity in the elasto-plastic transition . Chongqing University, School of Materils 7th International Symposium on Advanced Structural Materials , Days Hotel Chongqing Keyuan Chongqing 2023-11-04 - 2023-11-05

2022

Academic lecture

Manik, Tomas; Aria, Arash Imani; Asadkandi, Hassan Moradi; Holmedal, Bjørn. (2022) A comparison of an efficient crystal plasticity finite element method and a spectral solver. ECCOMAS CONGRESS 2022 8th European Congress on Computational Methods in Applied Sciences and Engineering 2022-06-05 - 2022-06-09
Academic lecture

Holmedal, Bjørn; Manik, Tomas. (2022) Modifications of the Labusch theory for solid-solution hardening in aluminum alloys. ICAA18 , online konferanse 2022-09-04 - 2022-09-08
Lecture

Holmedal, Bjørn; Asadkandi, Hassan Moradi; Manik, Tomas. (2022) Open, efficient and robust implementations of crystal and continuum plasticity models in FEM. Latest advances in modelling and characterisation of alloys 2022-11-22 - 2022-11-22
Academic lecture

Holmedal, Bjørn; Holmedal, Lars Erik; Zhu, Jianxun. (2022) Objective identification of local vortices. ECCOMAS CONGRESS 2022 8th European Congress on Computational Methods in Applied Sciences and Engineering 2022-06-05 - 2022-06-09

2021

Academic lecture

Manik, Tomas; Asadkandi, Hassan Moradi; Holmedal, Bjørn. (2021) Efficient and robust fully implicit return mapping algorithms for crystal and continuum plasticity. Middle East Technical University in Ankara, Turkey 2nd International Workshop on Plasticity, Damage and Fracture of Engineering Materials , Online 2021-08-18 - 2021-08-20
Academic lecture

Marthinsen, Knut; Xu, Jianbin; Holmedal, Bjørn; Hopperstad, Odd Sture; Manik, Tomas. (2021) Experiments and constitutive modelling of the PLC effect at a wide range of strain rates and temperatures in an AlMg alloy (AA5182) . Graz University of Technology Institute of Materials Science Thermec'2021 Virtual Conference , Vienna (online) 2021-06-01 - 2021-06-05
Academic lecture

Marthinsen, Knut; Xu, Jianbin; Holmedal, Bjørn; Hopperstad, Odd Sture; Manik, Tomas. (2021) Characterization and modelling of the Portevin-Le Chatelier (PLC) effect in aluminium alloys . Institute of Scientific Instruments of the CAS The International Conference on the Physical Properties and Application of Advanced Materials (ICPMAT) , Czech Republic (Online) 2021-09-18 - 2021-09-19
Academic lecture

Holmedal, Bjørn; Manik, Tomas. (2021) A revision of Labusch’s statistical theory of solid solution hardening. MetSoc of CIM 32nd Canadian Materials Science Conference. Special Symposium Solute-Defect Interaction 2: Theory, Experiments and Modeling , Hosted Virtually by Queen’s University 2021-06-02 - 2021-06-04
Academic lecture

Holmedal, Bjørn; Manik, Tomas. (2021) A revised theory for solid solution hardening. Deutsche Gesellschaft für Materialkunde e.V. 4th Conference on Light Materials - Science and Technology , online konferanse 2021-11-02 - 2021-11-04
Academic lecture

Manik, Tomas; Moradi Asadkandi, Hassan; Holmedal, Bjørn. (2021) Efficient and robust FE implementations of crystal and continuum plasticity models. Continuum Forums Materials Science World Forum 2021 , Edinburgh, Scotland 2021-11-04 - 2021-11-06
Academic lecture

Manik, Tomas; Moradi Asadkandi, Hassan; Holmedal, Bjørn. (2021) Efficient and robust FE implementations of crystal and continuum plasticity models. Deutsche Gesellschaft für Materialkunde e.V. 4th Conference on Light Materials - Science and Technology , Online Conference 2021-11-02 - 2021-11-04

2020

Lecture

Xu, Jianbin; Marthinsen, Knut; Holmedal, Bjørn; Hopperstad, Odd Sture. (2020) Experimental characterization and modelling of the PLC effect in an AlMg-alloy . ARC-CAMRIC/Japanese Institute of Light Metals (JILM) 6th Forum of Center for Advanced Materials Research and International Collaboration , Toyama (online) 2020-09-28 - 2020-10-08
Academic lecture

Christiansen, Emil; Marioara, Calin Daniel; Ringdalen, Inga Gudem; Bjørge, Ruben; Holmedal, Bjørn; Hopperstad, Odd Sture. (2020) Detailed investigation of the shearing mechanism of β” precipitates in Al-Mg-Si alloys. 17th International Conference on Aluminium Alloys , Online 2020-10-26 - 2020-10-29
Academic lecture

Holmedal, Bjørn. (2020) Modellering av nåle- og plateformede presipitater. Nasjonal konferanse for materialteknologi 2020-12-02 - 2020-12-03
Academic lecture

Holmedal, Bjørn. (2020) Modelling precipitation of non-spherical precipitates. ICAA17 (International conference on aluminium alloys 2020-10-26 - 2020-10-29
Academic lecture

Holmedal, Bjørn. (2020) A distorted yield surface model for Bauschinger behaviour. Invited Keynote. International conference of plasticity damage and fracture 2020-01-03 - 2020-01-09
Academic lecture

Manik, Tomas; Holmedal, Bjørn. (2020) Yield functions with axisymmetric anisotropy. International Conference on Plasticity, Damage, and Fracture 2020 , Cancun 2020-01-02 - 2020-01-09
Academic lecture

Xu, Jianbin; Marthinsen, Knut; Holmedal, Bjørn; Hopperstad, Odd Sture; Manik, Tomas. (2020) Experimental and modeling study of Portevin Le-Chatelier effect in an AA5182 alloy. SIMaP- Université Grenoble Alpes and C-TEC Constellium The 17th International Conference on Aluminum Alloys ICAA17 , Grenoble 2020-10-26 - 2021-07-29

2019

Academic lecture

Holmedal, Bjørn. (2019) A distorted yield surface model for Bauschinger behaviour (invited Lecture). LightMAT 3rd Conference & Exhibition on Light Metals- Science and Technology , Manchester, UK 2019-11-05 - 2019-11-07
Academic lecture

Holmedal, Bjørn. (2019) Parameter free estimate of strength from precipitates (keynote). Keynote, International Conference on Plasticity, Damage, and Fracture 2019 Panama City, Panama, Jan. 3-9, 2019 2019-01-03 - 2019-01-09
Academic lecture

Christiansen, Emil; Marioara, Calin Daniel; Bjørge, Ruben; Ringdalen, Inga Gudem; Holmedal, Bjørn; Hopperstad, Odd Sture. (2019) (S)TEM characterisation and simulations of sheared 𝛃′′ precipitates in a deformed Al-Mg-Si alloy. Toyama University 5th Forum of Center for Advanced Materials Research and International Collaboration (CAMRIC-FORUM5) , Toyama 2019-10-03 - 2019-10-04
Academic lecture

Westermann, Ida; Arbo, Siri Marthe; Holmedal, Bjørn. (2019) Effect of nickel as interlayer in laminated roll bonded 355 MC E steel and AA1080 aluminum. DGM 3rd Conference and Exhibition on Light Materials - Science and Technology (LightMAT) , Manchester 2019-11-05 - 2019-11-07
Academic lecture

Arbo, Siri Marthe; Bergh, Tina; Khalid, Muhammad Zeeshan; Holmedal, Bjørn; Vullum, Per Erik; Westermann, Ida. (2019) Joining of Aluminium and Steel – from macro to nano – Experiments and Modelling. Univ. of Toyama 5th Forum of Center for Advanced Materials Research and International Collaboration (CAMRIC-FORUM5), University of TOYAMA , Toyama 2019-10-03 - 2019-10-04
Academic lecture

Manik, Tomas; Lu, Feng; Holmedal, Bjørn. (2019) On the post-necking correction of stress in axisymmetric tensile specimen with extruded texture. 29th International Workshop on Computational Mechanics of Materials , Dubrovnik 2019-09-15 - 2019-09-18
Academic lecture

Frafjord, Jonas; Friis, Jesper; Wenner, Sigurd; Holmedal, Bjørn; Holmestad, Randi; Ringdalen, Inga Gudem. (2019) The Effect of Multiple Solute Species in Solute Strengthening in Aluminium Alloys - MD study. Technion Dislocations 2019 , Haifa 2019-10-15 - 2019-10-21

2018

Academic lecture

Xu, Jianbin; Holmedal, Bjørn; Hopperstad, Odd Sture; Manik, Tomas; Marthinsen, Knut. (2018) Experiments and modelling of the Portevin-Le Chatelier effect in AA5182 . Metallurgy&Materials Society of Canada 16th International Conference on Aluminium Alloys (ICAA16) , Montreal 2018-06-17 - 2018-06-21
Academic lecture

Holmedal, Bjørn; Manik, Tomas. (2018) Solid solution hardening (invited keynote). at International Conference on Plasticity, Damage, and Fracture 2018-01-03 - 2018-01-09
Academic lecture

Manik, Tomas; Holmedal, Bjørn. (2018) On the post-necking correction of stress in axisymmetric tensile specimen with extruded texture. Akhtar Khan International Conference on Plasticity, Damage and Fracture 2018 , San Juan 2018-01-02 - 2018-01-08
Academic lecture

Holmedal, Bjørn. (2018) (keynote) Memory Effects in Models for Forming Simulations. International Conference on Aluminium alloys (ICAA16) , Montreal 2018-06-17 - 2018-06-21
Academic lecture

Manik, Tomas; Lu, Feng; Holmedal, Bjørn. (2018) The analytical post-necking correction of stress in axisymmetric tensile specimen with fiber texture. ICAA16 (International Conference on Aluminium Alloys) 2018-06-17 - 2018-06-21
Academic lecture

Lu, Feng; Manik, Tomas; Holmedal, Bjørn. (2018) WORK-HARDENING BEHAVIOUR OF AA6082 WITH DIFFERENT AGING TIMES. ICAA16 (International Conference on Aluminium Alloys) 2018-06-17 - 2018-06-21
Poster

Frafjord, Jonas; Holmedal, Bjørn; Holmestad, Randi; Ringdalen, Inga Gudem; Ofstad, Sigurd; Friis, Jesper. (2018) Ab Initio Calculations of Dislocation Core Using a Cluster Model Approach. Multiscale Materials Modelling, 9th , Osaka 2018-10-28 - 2018-11-02
Academic lecture

Snilsberg, Knut Erik; Jørgensen Myrold, Benedikte; Holmedal, Bjørn; Jensrud, Ola; Koroschetz, Christian. (2018) Direct Artificial Ageing after Integrated Hot Forming and Die Quenching of AA6082 extrusions. ICAA16 (International Conference on Aluminium Alloys) 2018-06-17 - 2018-06-21

2017

Academic lecture

Manik, Tomas; Holmedal, Bjørn. (2017) On the post-necking correction of stress in axisymmetric tensile specimen. Shanghai Jiao Tong University The Sixth Chinese–Norwegian Symposium on Light Metals & New Energy , Shanghai 2017-12-03 - 2017-12-05
Academic lecture

Holmedal, Bjørn; Zhang, Kai; Manik, Tomas. (2017) Revised Taylor factor and isotropic yield-surface exponent for FCC metals (keynote). International Conference on Plasticity, Damage & Fracture , Puerto Valarta 2017-01-03 - 2017-01-09

2016

Academic lecture

Arbo, Siri Marthe; Westermann, Ida; Holmedal, Bjørn; Østhus, Rune. (2016) Sammenføyning av AISI 316 rustfritt stål og AA6082 aluminiumslegering. Norsk Materialteknisk Selskap/Norsk Metallografisk Forening Nasjonal Konferanse for Materialteknologi , Trondheim 2016-08-24 - 2016-08-25
Academic lecture

Zhang, Kai; Marthinsen, Knut; Holmedal, Bjørn; Friis, Jesper; Pettersen, Tanja; Aukrust, Trond. (2016) An extrusion microstructure modelling framework applied to AlMgSi-extrusions. Chongqing University ICAA15 , Chongqing 2016-06-12 - 2016-06-16
Academic lecture

Zhang, Kai; Marthinsen, Knut; Holmedal, Bjørn; Segatori, Antonio; Aukrust, Trond. (2016) Deformation and recrystallization microstructure and texture of symmetric and asymmetric extruded aluminium AA6063 flat profiles . The Minerals, Metals and Materials Society 6th International Conference on Recrystallization and Grain Growth (Rex&GG VI) , Pittsburgh 2016-07-17 - 2016-07-21
Academic lecture

Zhang, Kai; Marthinsen, Knut; Holmedal, Bjørn; Friis, Jesper; Pettersen, Tanja; Segatori, Antonio. (2016) Characterization and Modelling of the Microstructure and Texture Evolution In AlMgSi-Extrusions. TUGraz, Austria Thermec 2016 , Graz 2016-05-29 - 2016-06-03
Academic lecture

Zhang, Kai; Segatori, Antonio; Aukrust, Trond; Friis, Jesper; Pettersen, Tanja; Paulsen, Christian Oen. (2016) Experimental Investigations and Numerical Simulations of Textures and Microstructures of Extruded Aluminum Alloys. Eleventh International Aluminum Extrusion Technology Seminar and Exposition (ET '16) , Chicago 2016-05-03 - 2016-05-06
Academic lecture

Holmedal, Bjørn. (2016) On the relation between mean free slip length and work hardening of metals. keynote at Plasticity 2016 , Hawaii 2016-01-03 - 2016-01-09
Lecture

Jia, Lina; Zhang, H; Tang, Kai; Du, Qiang; Onsøien, Morten Ingar; Holmedal, Bjørn. (2016) Modelling of precipitation during cooling stage of homogenization heat treatment of Al-Mg-Si alloys. Chongqing University The 15th International Conference on Aluminum Alloys (ICAA15) , Chongqing 2016-06-12 - 2016-06-16
Academic lecture

Du, Qiang; Tang, Kai; Marioara, Calin Daniel; Andersen, Sigmund Jarle; Holmedal, Bjørn; Holmestad, Randi. (2016) Modeling over-ageing in Al-Mg-Si alloys by a multi-phase CALPHAD-coupled Kampmann-Wagner Numerical model. Chongqing University, China The 15th International Conference on Aluminum Alloys (ICAA15) , Chongqing 2016-06-12 - 2016-06-16

2015

Academic lecture

Holmedal, Bjørn. (2015) Precipitation, strength and work hardening of age hardened aluminium alloys. Risø Symposium, 36th 2015-09-07 - 2015-09-11
Academic lecture

Zhang, Kai; Pettersen, Tanja; Paulsen, Christian Oen; Marthinsen, Knut; Holmedal, Bjørn; Segatori, A. (2015) Recrystallization behaviour of AA6063 extrusions. 36th Risø Symposium 2015-09-07 - 2015-09-11
Academic lecture

Keseler, Hanne; Westermann, Ida; Kandukuri, Sastry Yagnanna; Nøkleby, John Olav; Holmedal, Bjørn. (2015) Permanent effect of a cryogenic spill on fracture properties of structural steels. International Cryogenic Materials Conference , Tucson 2015-06-28 - 2015-07-02

2014

Academic lecture

Du, Qiang; Marioara, Calin Daniel; Friis, Jesper; Osmundsen, Elisa; Holmedal, Bjørn. (2014) Modelling precipitation of non-spherical and metastable particles in multicomponent aluminium alloys. The 14th International Conference on Aluminum Alloys (ICAA14) 2014-06-15 - 2014-06-19
Academic lecture

Mánik, Tomás; Holmedal, Bjørn. (2014) On the Taylor ambiguity and relationship between rate-independent and rate-dependent taylor models. International conference of plasticity 2014 , Freeport 2014-01-03 - 2014-01-08
Academic lecture

Holmedal, Bjørn; Mánik, Tomás; Hopperstad, Odd Sture. (2014) Modelling strain-path changes. NEAT International conference of plasticity , Freeport 2014-01-03 - 2014-01-08
Academic lecture

Holmedal, Bjørn; Hopperstad, Odd Sture; Mánik, Tomás. (2014) Tøyningsveiendringer i metaller. Norsk metallurgisk forening Norsk Metallurgisk sommermøte 2014 , Oslo 2014-06-04 - 2014-06-05
Academic lecture

Holmedal, Bjørn; Mánik, Tomás; Hopperstad, Odd Sture. (2014) Cross-hardening and Bauschinger effects. NTNU ICAA14 -the14th International conference on aluminium alloys , Trondheim 2014-06-15 - 2014-06-19

2013

Academic lecture

Mánik, Tomás; Holmedal, Bjørn; Zhang, Kai. (2013) On the Taylor Ambiguity. 19th. International Symposium on Plasticity and Its Application , Nassau 2013-01-03 - 2013-01-08
Academic lecture

Mánik, Tomás; Holmedal, Bjørn; Hopperstad, Odd Sture. (2013) Modeling of Transients as a Response to Changes in Strain–Path of Commercially Pure Aluminium. 19th. International Symposium on Plasticity and Its Application , Nassau 2013-01-03 - 2013-01-08
Academic lecture

Zhao, Qinglong; Holmedal, Bjørn. (2013) Influence of dispersoids on grain subdivision and texture evolution in aluminum alloys during cold rolling. The First Asian Conference on Aluminum Alloys 2013-10-13 - 2013-10-17

2012

Academic lecture

Westermann, Ida; Hopperstad, Odd Sture; Myhr, Ole Runar; Marthinsen, Knut; Holmedal, Bjørn. (2012) MODELING OF WORK-HARDENING IN AN AGE-HARDENABLE AA7108 ALUMINUM ALLOY. 13th International Conference on Aluminum Alloys , Pittsburgh, Pennsylvania 2012-06-03 - 2012-06-08
Academic lecture

Manik, Tomas; Holmedal, Bjørn; Hopperstad, Odd Sture. (2012) Modeling of Transients as a Response to Changes in Strain-Path of Commercially Pure Aluminium. The Joint Research Centre of the European Commission 1st International Workshop on Physics Based Modeling of Material Properties , Ankara 2012-10-22 - 2012-10-23
Academic lecture

Zhao, Qinglong; Holmedal, Bjørn. (2012) Influence of dispersoids on mechanical properties of Al-Mn alloys. 3rd International conference on new forming technology , Harbin, China 2012-08-26 - 2012-08-28
Academic lecture

Zhao, Qinglong; Slagsvold, Marius; Holmedal, Bjørn. (2012) Comparison of the influence of Si and Fe in commercial purity aluminium. ICAA13: international conferance on aluminium alloys , Pittsburgh 2012-06-03 - 2012-06-07
Academic lecture

Hersent, Emmanuel C; Friis, Jesper; Holmedal, Bjørn; Li, Yanjun; Marthinsen, Knut. (2012) analytical precipitate model fro AA3xxx alloy. ICAA13: International conference on aluminium alloys , Pittsburgh 2012-06-03 - 2012-06-07

2011

Academic lecture

Govindaraj, Nagaraj Vinayagam; Holmedal, Bjørn. (2011) BOND STRENGTH OF ROLL BONDED Al SHEETS – AN ALTERNATIVE APPROACH. Prof Hans Jørgen Roven The Fourth Chinese–Norwegian Symposium on Light Metals and New Energy , NTNU, Trondheim 2011-08-24 - 2011-08-26
Academic lecture

Govindaraj, Nagaraj Vinayagam; Holmedal, Bjørn. (2011) EFFECT OF ANNEALING TREATMENT ON ACCUMULATIVE ROLL BONDED AA 3103 ALLOY. Prof Jing Tao Wang NANOSPD 5 , Nanjing Univeristy of Science and Technology, Nanjing 2011-03-21 - 2011-03-25
Academic lecture

Zhao, Qinglong; Holmedal, Bjørn; Li, Yanjun. (2011) The influence of dispersoids on work hardening of Al-Mn-Fe-Si alloy. DGM European Conference on Aluminium Alloys - ECAA 2011 , Bremen 2011-10-05 - 2011-10-07
Academic lecture

Manik, Tomas; Holmedal, Bjørn. (2011) Modelling Transients Produced by Changes of Strain Rate. DGM European Conference on Aluminium Alloys - ECAA 2011 , Bremen 2011-10-05 - 2011-10-07
Academic lecture

Zhao, Qinglong; Holmedal, Bjørn. (2011) The influence of dispersoids on work hardening of Al-Mn-Fe-Si alloy. The fourth Chinese–Norwegian symposium on light metals & new energy 2011-08-23 - 2011-08-27

2010

Academic lecture

Marthinsen, Knut; Friis, Jesper; Holmedal, Bjørn; Furu, Trond; Skauvik, Inge. (2010) Modelling the recrystallization behaviour during industrial processing of aluminium alloys. The University of Sheffield, Sheffield, United Kingdom The 4th International Conference on Recrystallization and Grain Growth (ReX & GG IV) , Sheffield 2010-07-04 - 2010-07-10
Academic lecture

Holmedal, Bjørn; Hopperstad, Odd Sture; Berstad, Torodd. (2010) Modeling Transients Related to Strain-path Changes. 12th international conference on aluminium alloys (ICAA12) 2010-09-05 - 2010-09-09
Academic lecture

Holmedal, Bjørn; diak, bradley; Nes, Erik Aasmund. (2010) Dynamic measurement of thermally activated flow in dilute Al-xMn solid solutions: Experiments and modelling. Plasticity 2010 2010-01-03 - 2010-01-08

2009

Academic lecture

Westermann, Ida; Hopperstad, Odd Sture; Marthinsen, Knut; Holmedal, Bjørn. (2009) Work- and Age-Hardening Behaviour of a Commercial AA7108 Aluminium Alloy. CAST CRC Light Metals Technology Conference 2009 , Gold Coast 2009-06-29 - 2009-07-01
Academic lecture

Holmedal, Bjørn. (2009) Modelling responses to strain-path changes. Euromat 2009 2009-09-07 - 2009-09-10
Academic lecture

Marthinsen, Knut; Abtahi, Shahriar; Holmedal, Bjørn; Friis, Jesper; Nes, Erik Aasmund; Furu, Trond. (2009) Modelling the Work Hardening Behaviour of AlMgMn Alloys. Thermec 2009 , Berlin 2009-08-25 - 2009-08-29
Academic lecture

Snilsberg, Knut Erik; Westermann, Ida; Holmedal, Bjørn; Hopperstad, Odd Sture; Langsrud, Yngve; Marthinsen, Knut. (2009) Anisotropy of bending properties in industrial heat-treatable extruded aluminium alloys. Thermec 2009 , Berlin 2009-08-25 - 2009-08-29

2008

Academic lecture

Haaland, Bjørnar Øvrum; Westermann, Ida; Nijs, Oscar Cornelis Johanna; Holmedal, Bjørn; Roven, Hans Jørgen; Ryum, Nils. (2008) Microstructure and properties of severely deformed and annealed aluminium alloys. Marche Polytechnic University Recent developments in the processing and applications of structural metals and alloys , Como 2008-06-22 - 2008-06-25
Academic lecture

Haaland, Bjørnar Ø; Westermann, Ida; Holmedal, Bjørn; Nes, Erik Aasmund. (2008) Microstructure and properties of as-deformed and annealed accumulated roll-bonded aluminium alloys. 11th International Conference on Aluminium Alloys , Aachen 2008-09-22 - 2008-09-26
Academic lecture

Holmedal, Bjørn; Skaret, Pål Christian; Nes, Erik Aasmund. (2008) Abrupt strain-rate changes in high-purity binary Al-Mn alloys. International conference on aluminium alloys 2008. (ICAA11) 2008-09-22 - 2008-09-26
Poster

Holmedal, Bjørn. (2008) Modelling strain rate sensitivity in tensile tests at room temperature. NTNU SIMLab IMPACT LOADING OF LIGHT WEIGHT STRUCTURES international conference , Trondheim 2008-06-17 - 2008-06-19

2007

Academic lecture

Marthinsen, Knut; Holmedal, Bjørn; Nes, Erik Aasmund. (2007) Modelling the evolution of microstructure and texture during thermo-mechanical processing of aluminium alloys. Shanghai Jiaotong University and NTNU The Second Chinese-Norwegian Symposium on Aluminium Alloys , Shanghai Jiatong Univeristy 2007-11-05 - 2007-11-09
Academic lecture

Holmedal, Bjørn; Nes, Erik Aasmund. (2007) A new Microstructural Metal Plasticity Model (MMP) Applied to Aluminium Alloys. TMS 2007 2007-02-26 - 2007-03-02
Academic lecture

Holmedal, Bjørn. (2007) low temperature tensile strength of binary AlMn alloys. NTNU Doctor Technicae Honoris Causa Dr D. Embury seminar. , NTNU 2007-05-31 - 2007-05-31
Academic lecture

Holmedal, Bjørn. (2007) Modelling Latent Hardening During Strain-Path Changes. NTNU 9th International Summer School on Aluminium Alloy Technology , Trondheim 2007-08-20 - 2007-08-24
Academic lecture

Holmedal, Bjørn. (2007) The Kocks-Mecking MTS Model: How to handle temperature, particles and solute?. SINTEF Seminar on constitutive modelling of thermal forming , Trondheim 2007-11-28 - 2007-11-28

2006

Academic lecture

Nijs, Oscar Cornelis Johanna; Holmedal, Bjørn; Friis, Jesper; Nes, Erik Aasmund. (2006) sub-structure strengthening and work hardening of an ultra-fin grained aluminium-magnesium alloy. ICSMA14 2006-06-04 - 2006-06-09
Academic lecture

Friis, Jesper; Holmedal, Bjørn; Ryen, Øyvind; Nes, Erik Aasmund; Myhr, Ole Runar; Grong, Øystein. (2006) Work Hardening Behaviour of Heat-Treatable Al-Mg-Si-alloys. ICAA10 , Vancouver 2006-07-09 - 2006-07-13

2005

Academic lecture

Friis, Jesper; Holmedal, Bjørn; Ryen, Øyvind. (2005) Modelling of precipitation and work hardening in Al-Mg-Si alloy. First Chinese-Norwegian Seminar on Light Metals 2005-08-29 - 2005-08-30
Academic lecture

Friis, Jesper; Ryen, Øyvind; Holmedal, Bjørn; Grong, Øystein; Marthinsen, Knut. (2005) Modelling of precipitation and work hardening in age-hardenable Al-alloy. Atomistic Modelling in Aluminium Alloys 2005-06-23 - 2005-06-24
Academic lecture

Furu, Trond; Pedersen, Ketill Olav; Holmedal, Bjørn. (2005) Formability of aluminium extrusions, modelling treatment and experimental work. the Eleventh International Symposium on Plasticity and its Current Applications 2005-01-03 - 2005-01-08
Academic lecture

Holmedal, Bjørn; Engler, Olaf; Nes, Erik Aasmund. (2005) Modelling dynamic strain ageing in aluminium magnesium alloys. the Eleventh International Symposium on Plasticity and its Current Applications , Kauai, Hawaii, USA 2005-01-03 - 2005-01-08
Academic lecture

Holmedal, Bjørn; Marthinsen, Knut; Nes, Erik Aasmund. (2005) A Microstructural Metal Plastisity Model (MMP)�Applied to Aluminium Alloys. The 3rd international conference on Micrstructology , Birmingham, Alabama 2005-05-15 - 2005-05-20
Academic lecture

Holmedal, Bjørn; Marthinsen, Knut; Nes, Erik Aasmund. (2005) A Microstructural Metal Plastisity Model (MMP) –Applied to Aluminium Alloys. IPSMA10. The 10th INTERNATIONAL SYMPOSIUM ON PHYSICS OF MATERIALS 2005-08-30 - 2005-09-02
Academic lecture

He, Shen; Van Bael, Albert; Van houtte, Paul; Holmedal, Bjørn. (2005) Prediction of formability for aluminium alloy sheets using physics-based material models. the Eleventh International Symposium on Plasticity and its Current Applications 2005-01-03 - 2005-01-08
Academic lecture

Nes, Erik Aasmund; Holmedal, Bjørn; Marthinsen, Knut. (2005) Modelling Grain Boundary Strengthening in Ultra-Fine Grained Aluminium Alloys. TMS TMS 2005. 134th Annual Meeting and Exhibition , San Fransisco 2005-02-13 - 2005-02-17

2004

Academic lecture

Berstad, Torodd; Furu, Trond; Holmedal, Bjørn; Hopperstad, Odd Sture; Lademo, Odd-Geir; Nes, Erik Aasmund. (2004) FEM and a microstructure based work hardening model used to calculate forming limit curves. ESAFORM , Trondheim 2004-04-28 - 2004-04-30

2003

Academic lecture

Marthinsen, Knut; Holmedal, Bjørn; Abtahi, Shahriar; Valle, Randulf; Chen, Shang Ping; Nes, Erik Aasmund. (2003) Coupled FEM and Microstructure Modeeling applied to Rolling and Extrusion of Aluminium Alloys. THERMEC'2003 International Confrence on Processing & manufactring of Advanced Materials , Leganes, Madrid, Spania 2003-07-11 -
Academic lecture

Holmedal, Bjørn; Van Houtte, Paul; Nes, Erik Aasmund. (2003) modelling latent hardening during strain-path changes. Plasticity 2003 , Quebec City, Canada 2003-07-11 -
Academic lecture

Tangen, Stian Moe; Bjerkaas, Hans; Abtahi, Shahriar; Holmedal, Bjørn; Furu, Trond; Nes, Erik Aasmund. (2003) Recrystallization behavior in aluminium alloys after hot and cold deformation; an experimental and modelling treatment. 2003 TMS annual meeting , San Diego, California, USA 2003-03-06 -

2002

Academic lecture

Nes, Erik Aasmund; Holmedal, Bjørn. (2002) On the mechanisms controlling high temperature creep of metals and alloys. Creep Deformation: Fundamentals and Applications (USA) , Seattle, Washington, USA 2002-02-21 -
Academic lecture

Ryen, Øyvind; Holmedal, Bjørn; Nes, Erik Aasmund. (2002) Characterisation and modelling of work hardening in Al-Mg and Al-Mn alloys. ICAA8 , Cambridge, UK 2002-07-05 -
Academic lecture

Holmedal, Bjørn; Ryen, Øyvind; Van Houtte, Paul; Nes, Erik Aasmund. (2002) Modelling work hardening and microstructure. VIR[*]-conference-2002 , Ijmuiden, Nederland 2002-04-11 -
Academic lecture

Nes, Erik Aasmund; Abtahi, Shahriar; Holmedal, Bjørn; Marthinsen, Knut. (2002) A microstructural approach to the modelling of hot rolling and extrusion of aluminium alloys. Light Metals 2002 Metaux Legers (Including McQueen Symposium) , Montreal, Quebec, Canada 2002-08-14 -

2001

Academic lecture

Bay, Nils; andreasen, J L; Olsson, D D; Massoni, Elisabeth; bariani, Paolo Francesco; Dal Negro, Tomas. (2001) Development of a 3D finite element code for forging. An overview of the Brite/Euram project EFFORTS. 2nd Interantional conference and exhibition on design and production of dies and molds 2001-06-21 - 2001-06-23
Academic lecture

Ryen, Øyvind; Laukli, Hans Ivar; Holmedal, Bjørn; Marthinsen, Knut; Nes, Erik Aasmund. (2001) Characterisation and modelling of the evolution in microstructure and properties during plastic deformation of aluminium alloys. EUROMAT 2001 , Rimini 2001-06-14 -

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Bjørn Holmedal

Bjørn Holmedal

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