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Alfred Getz vei 2, Bergbygget * E-521

Background and activities

Spring course:

* TMT4266 Metal forming- microstructure and crystal plasticity

Autumn Courses:

* TMT4222 Mechanical Properties of Metals

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

 

Projects:

CRI-Manufacturing: Co supervisor for PhD candidate Siri Marthe Aarbo, cold metal welding of dissimilar metals
CRI-CASA: Co-supervisor for PhD candidate Jianbin Xu, Modeling Dynamic Strain Aging. 
KPN-AMPERE: (heat stability and conductivity of 6xxx alloys) WP leader: Mechanical Properties. Main supervisor for PhD candidate Feng Lu
IPN-Cosmetex: Surface properties from extrusion
Main supervisor for two PhD candidates with NTNU grants:
Jisheng Qin: Advanced continuum plasticity models for strain-path changes
Knut Erik Snilsberg: Integrated Hot Forming and Die Quenching of Aluminium Wrought Alloys

 

Roles:

Group leader for the physical metallurgy group at DMSE and member of the extended leader group of DMSE
Member of "undervisningsutvalg" DMSE
Member of "studieprogramsråd", material technology studies
 

 

Professional interests:

Hardening mechanisms in metals, primarily Aluminium alloys. Dislocations, microstructure evolution, influence of solute, particles & precipitates.

Crystal plasticilty (CPFEM, Taylor type models), continuum mehanics.

Transients related to strain-path changes.

Accumulated roll bonding. Enhanced strength. Metal composites.

Mathematical modelling

Scientific, academic and artistic work

Displaying a selection of activities. See all publications in the database

Journal publications

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.
  • 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.
  • 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.

Others

  • 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.