Navigation

  • Skip to Content
NTNU Home

ntnu.edu

  • Studies
    • Master's programmes in English
    • For exchange students
    • PhD opportunities
    • All programmes of study
    • Courses
    • Financing
    • Language requirements
    • Application process
    • Academic calendar
    • FAQ
  • Research and innovation
    • NTNU research
    • Research excellence
    • Strategic research areas
    • Innovation resources
    • PhD opportunities
  • Life and housing
    • Student in Trondheim
    • Student in Gjøvik
    • Student in Ålesund
    • For researchers
    • Life and housing
  • About NTNU
    • Contact us
    • Faculties and departments
    • Libraries
    • International researcher support
    • Vacancies
    • About NTNU
    • Maps
  1. Employees

Språkvelger

Norsk

Bjørn Holmedal

Bjørn Holmedal

Professor
Department of Materials Science and Engineering

bjorn.holmedal@ntnu.no
+4773594904 +4790084946 Kjemi 1, 207, Gløshaugen
About Publications Teaching Media

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

* MT8216 - Microstructure and Properties During Thermomechanical Processing - Phenomena and theoretical models

 

Projects:

  • FRIPRO-METPLAST: (The next generation metal continuum plasticity theory) Project leader. PhD main supervisor for Hassan Moradi Asadkhandi. Research Scientist Tomas Manik is employed by this project. Postdoc Baptiste Reyne
  • SFI-Manufacturing:  PhD main supervisor for Håkon Linga, 3D-printing.
  • SFI-CASA: was PhD co-supervisor for Jianbin Xu, dynamic strain aging, PLC effect
  • SFI-Physmet:
  • PhD main supervisor for (NTNU internal): Sohail Shah Atom Probe Tomography. clustering and nucleii in age hardened aluminium alloys
  • Exchange PhD from Chongqing University: Xiaoxi Mi

 

Roles:

  • Member of the council for the masters programmes MTMT og MSMT.
  • Member of the board: Norsk Metallurgisk Samfunn, avdeling Trøndelag.
  • Member of the International Advisory Board for Lightform prosjektet (Univ. Manchester, Emperial College, Cambridge Univ.)
  • Member of "Norges Tekniske Vitenskapsakademi (NTVA)" 

 

Competencies

  • Metal plasticity
  • Microstructure
  • Texture
  • Work hardening

Publications

  • Chronological
  • By category
  • See all publications in Cristin

2022

  • 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. volum 151.
    Academic article

2021

  • 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). volum 30 (6).
    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. volum 88 (6).
    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. volum 832.
    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. volum 807.
    Academic article

2020

  • Holmedal, Bjørn. (2020) Regularized Yield Surfaces for Crystal Plasticity of Metals. Crystals. volum 10 (1076).
    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. volum 137.
    Academic article

2019

  • 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. volum 9.
    Academic article
  • Holmedal, Bjørn. (2019) Bauschinger effect modelled by yield surface distortions. International journal of plasticity. volum 123.
    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. volum 112.
    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. volum 114.
    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. volum 101.
    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. volum 722.
    Academic article

2017

  • 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. volum 122.
    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. volum 117.
    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. volum 103.
    Academic article

2015

  • 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. (2015) On the basic relation between mean free slip length and work hardening of metals. Philosophical Magazine. volum 95 (25).
    Academic article
  • Holmedal, Bjørn. (2015) Strength contributions from precipitates. Philosophical Magazine Letters. volum 95 (12).
    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
  • 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. volum 69.
    Academic article
  • Zhang, Kai; Holmedal, Bjørn; Hopperstad, Odd Sture; Dumoulin, Stephane; Gawad, Jerzy; Van Bael, Albert; Van Houtte, P. (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. volum 66.
    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. volum 625 (Febr).
    Academic article

2014

  • Govindaraj, Nagaraj Vinayagam; Bjørge, Ruben; Holmedal, Bjørn. (2014) Characterizing hardening on annealing of cold-rolled aluminum AA3103 strips. Metallurgical and Materials Transactions A. volum 45 (3).
    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. volum 55.
    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. volum 22 (7).
    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. volum 99 (4).
    Academic article

2013

  • Govindaraj, Nagaraj Vinayagam; Frydendahl, Jan Gaute; Holmedal, Bjørn. (2013) Layer continuity in accumulative roll bonding of dissimilar material combinations. Materials & design. volum 52.
    Academic article
  • Govindaraj, Nagaraj Vinayagam; Lauvdal, Steinar; Holmedal, Bjørn. (2013) Tensile bond strength of cold roll bonded aluminium sheets. Journal of Materials Processing Technology. volum 213 (6).
    Academic article
  • Mánik, Tomás; Holmedal, Bjørn. (2013) Additional relaxations in the Alamel texture model. Materials Science & Engineering: A. volum 580.
    Academic article
  • Manik, Tomas; Holmedal, Bjørn. (2013) On the criterion for compensation to avoid elastic-plastic transients during strain rate change tests. Acta Materialia. volum 61 (2).
    Academic article
  • Zhao, Qinglong; Holmedal, Bjørn. (2013) Modelling work hardening of aluminium alloys containing dispersoids. Philosophical Magazine. volum 93 (23).
    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. volum 563.
    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. volum 93 (22).
    Academic article

2012

  • 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. volum 34.
    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. volum 103 (5).
    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. volum 67 (2).
    Academic article

2011

  • 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. volum 42A (11).
    Academic article

2010

  • 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. volum 45 (19).
    Academic article

2009

  • Kurukuri, S.; van den Boogaard, A.H.; Miroux, A; Holmedal, Bjørn. (2009) Warm forming simulation of Al-Mg sheet. Journal of Materials Processing Technology. volum 209 (15-16).
    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. volum 524 (1-2).
    Academic article

2008

  • Grytten, Frode; Holmedal, Bjørn; Hopperstad, Odd Sture; Børvik, Tore. (2008) Evaluation of identification methods for YLD2004-18p. International journal of plasticity. volum 24 (12).
    Academic article
  • Holmedal, Bjørn; Van Houtte, P.; An, Y.. (2008) A crystal plasticity model for strain-path changes in metals. International journal of plasticity. volum 24.
    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. volum 483-484.
    Academic article

2007

  • Holmedal, Bjørn. (2007) On the formulation of the mechanical threshold stress model. Acta Materialia. volum 55 (8).
    Academic article

2006

  • 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. Virtual Fabrication of Aluminium Products.
    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. Virtual Fabrication of Aluminium Products.
    Academic chapter/article/Conference paper
  • Marthinsen, Knut; Abtahi, Shahriar; Holmedal, Bjørn; Nes, Erik Aasmund; Johansen, Arve; Furu, Trond; Engler, Olaf; Lok, Z.J.; Miroux, Alexis; Talamantes-Silva, Jesus. (2006) Through Process Simulation of EN AW-3103 Sheet Production Modelling the Evolution of Microstructure, Texture, Microchemistry and Mechanical Properties. Virtual Fabrication of Aluminium Products.
    Academic chapter/article/Conference paper
  • 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. volum 37A.
    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. volum 37A.
    Academic article

2005

  • Berstad, Torodd; Furu, Trond; Holmedal, Bjørn; Hopperstad, Odd Sture; Lademo, Odd-Geir; Nes, Erik Aasmund; Pedersen, Ketill Olav. (2005) "FEM and a microstructure based work hardening model used to calculate forming limit curves". International Journal of Forming Processes. volum 8/SI.
    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. volum 537.
    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. volum 96 (6).
    Academic article
  • Holmedal, Bjørn; Tveitereid, Morten; Palm, Enok. (2005) Planform selection in Rayleigh-Benard convection between finite slabs. Journal of Fluid Mechanics. volum 537 (537).
    Academic article
  • Holmedal, Bjørn; Tveitereid, Morten; Palm, Enok. (2005) Planform selection in Rayleigh-Bénard convection between finite slabs. Journal of Fluid Mechanics. volum 537.
    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. volum 410.
    Academic article

2004

  • Nes, Erik Aasmund; Marthinsen, Knut; Holmedal, Bjørn. (2004) The effect of boundary spacing on substructure strengthening. Materials Science and Technology. volum 20.
    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. volum 34A.
    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. volum 1.
    Academic article
  • Andersson, Helge Ingolf; Holmedal, Bjørn. (1993) Magnetohydrodynamic melting flow from a horizontal rotating disk. Mathematical Models and Methods in Applied Sciences. volum 3 (3).
    Academic article

Journal publications

  • 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. volum 151.
    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). volum 30 (6).
    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. volum 88 (6).
    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. volum 832.
    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. volum 807.
    Academic article
  • Holmedal, Bjørn. (2020) Regularized Yield Surfaces for Crystal Plasticity of Metals. Crystals. volum 10 (1076).
    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. volum 137.
    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. volum 9.
    Academic article
  • Holmedal, Bjørn. (2019) Bauschinger effect modelled by yield surface distortions. International journal of plasticity. volum 123.
    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. volum 112.
    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. volum 114.
    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. volum 101.
    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. volum 722.
    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. volum 122.
    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. volum 117.
    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. volum 103.
    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. (2015) On the basic relation between mean free slip length and work hardening of metals. Philosophical Magazine. volum 95 (25).
    Academic article
  • Holmedal, Bjørn. (2015) Strength contributions from precipitates. Philosophical Magazine Letters. volum 95 (12).
    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
  • 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. volum 69.
    Academic article
  • Zhang, Kai; Holmedal, Bjørn; Hopperstad, Odd Sture; Dumoulin, Stephane; Gawad, Jerzy; Van Bael, Albert; Van Houtte, P. (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. volum 66.
    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. volum 625 (Febr).
    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. volum 45 (3).
    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. volum 55.
    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. volum 22 (7).
    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. volum 99 (4).
    Academic article
  • Govindaraj, Nagaraj Vinayagam; Frydendahl, Jan Gaute; Holmedal, Bjørn. (2013) Layer continuity in accumulative roll bonding of dissimilar material combinations. Materials & design. volum 52.
    Academic article
  • Govindaraj, Nagaraj Vinayagam; Lauvdal, Steinar; Holmedal, Bjørn. (2013) Tensile bond strength of cold roll bonded aluminium sheets. Journal of Materials Processing Technology. volum 213 (6).
    Academic article
  • Mánik, Tomás; Holmedal, Bjørn. (2013) Additional relaxations in the Alamel texture model. Materials Science & Engineering: A. volum 580.
    Academic article
  • Manik, Tomas; Holmedal, Bjørn. (2013) On the criterion for compensation to avoid elastic-plastic transients during strain rate change tests. Acta Materialia. volum 61 (2).
    Academic article
  • Zhao, Qinglong; Holmedal, Bjørn. (2013) Modelling work hardening of aluminium alloys containing dispersoids. Philosophical Magazine. volum 93 (23).
    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. volum 563.
    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. volum 93 (22).
    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. volum 34.
    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. volum 103 (5).
    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. volum 67 (2).
    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. volum 42A (11).
    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. volum 45 (19).
    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. volum 209 (15-16).
    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. volum 524 (1-2).
    Academic article
  • Grytten, Frode; Holmedal, Bjørn; Hopperstad, Odd Sture; Børvik, Tore. (2008) Evaluation of identification methods for YLD2004-18p. International journal of plasticity. volum 24 (12).
    Academic article
  • Holmedal, Bjørn; Van Houtte, P.; An, Y.. (2008) A crystal plasticity model for strain-path changes in metals. International journal of plasticity. volum 24.
    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. volum 483-484.
    Academic article
  • Holmedal, Bjørn. (2007) On the formulation of the mechanical threshold stress model. Acta Materialia. volum 55 (8).
    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. volum 37A.
    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. volum 37A.
    Academic article
  • Berstad, Torodd; Furu, Trond; Holmedal, Bjørn; Hopperstad, Odd Sture; Lademo, Odd-Geir; Nes, Erik Aasmund; Pedersen, Ketill Olav. (2005) "FEM and a microstructure based work hardening model used to calculate forming limit curves". International Journal of Forming Processes. volum 8/SI.
    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. volum 537.
    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. volum 96 (6).
    Academic article
  • Holmedal, Bjørn; Tveitereid, Morten; Palm, Enok. (2005) Planform selection in Rayleigh-Benard convection between finite slabs. Journal of Fluid Mechanics. volum 537 (537).
    Academic article
  • Holmedal, Bjørn; Tveitereid, Morten; Palm, Enok. (2005) Planform selection in Rayleigh-Bénard convection between finite slabs. Journal of Fluid Mechanics. volum 537.
    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. volum 410.
    Academic article
  • Nes, Erik Aasmund; Marthinsen, Knut; Holmedal, Bjørn. (2004) The effect of boundary spacing on substructure strengthening. Materials Science and Technology. volum 20.
    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. volum 34A.
    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. volum 1.
    Academic article
  • Andersson, Helge Ingolf; Holmedal, Bjørn. (1993) Magnetohydrodynamic melting flow from a horizontal rotating disk. Mathematical Models and Methods in Applied Sciences. volum 3 (3).
    Academic article

Part of book/report

  • 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. Virtual Fabrication of Aluminium Products.
    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. Virtual Fabrication of Aluminium Products.
    Academic chapter/article/Conference paper
  • Marthinsen, Knut; Abtahi, Shahriar; Holmedal, Bjørn; Nes, Erik Aasmund; Johansen, Arve; Furu, Trond; Engler, Olaf; Lok, Z.J.; Miroux, Alexis; Talamantes-Silva, Jesus. (2006) Through Process Simulation of EN AW-3103 Sheet Production Modelling the Evolution of Microstructure, Texture, Microchemistry and Mechanical Properties. Virtual Fabrication of Aluminium Products.
    Academic chapter/article/Conference paper

Teaching

Courses

  • TMT4266 - Metal Fabrication and Forming - Microstructure and Crystal Plasticity
  • TMT4222 - Mechanical Properties of Metals
  • MT3901 - Special Syllabus for Master's Degree
  • TMT4500 - Materials Technology, Specialization Project
  • MT8218 - Advanced Materials Science
  • MT8216 - Microstructure and Properties During Thermomechanical Processing - Phenomena and theoretical models
  • TMT4240 - Microstructure and Properties of Metals

Media

2016

  • 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.
NTNU
Studies
  • Master's programmes in English
  • For exchange students
  • PhD opportunities
  • Courses
  • Career development
  • Continuing education
  • Application process
Contact
  • Contact NTNU
  • Employees
  • For alumni
  • Press contacts
  • Researcher support
Discover NTNU
  • Experts
  • Vacancies
  • Pictures from NTNU
  • Innovation resources
  • NTNU in Gjøvik
  • NTNU in Trondheim
  • NTNU in Ålesund
  • Maps
About NTNU
  • NTNU's strategy
  • Research excellence
  • Strategic research areas
  • Organizational chart
  • Libraries
  • About the university
Services
  • For employees
  • For students
  • Blackboard
  • Intranet

Norwegian University of Science and Technology

Use of cookies
Accessibility statement (in Norwegian)
Privacy policy
Editoral responsibility
Sign In