Bjørn Holmedal
Om
Bjørn Holmedal er professor i fysikalsk metallurgi ved Institutt for Materialteknologi, siden 2009.
Bakgrunn
Bjørn Holmedal (født 1968) har en MSc i Mekanikk fra NTH (1992) og en doktorgrad i Matematikk fra Universitetet i Oslo (1998). Han har industriell erfaring som forsker ved Raufoss Technology (1997-2000), og startet som postdoc ved NTNU i 2000.
For publiseringsstatistikk, se Google schoolar page
Forskningsområder
- Metal kontinuum plastisitetsteori og modellering
- Metall krystallplastisitetstoeri og modellering (includert tekstur)
- Thermomekanisk prosessering av legeringer
- Styrke- og arbeidsherdingsmekanismer i legeringer
- dislokasjonsteori og modellering
Undervisning (varierer noe, men dette er basis)
Vår:
* TMT4266 Metal forming- microstructure and crystal plasticity
Høst:
* TMT4222 Mechanical Properties of Metals
Prosjekter:
- FRIPRO-METPLAST: (The next generation metal continuum plasticity theory) Prosjektleder: Ph.d hovedveileder for Hassan Moradi Asadkhandi. Forsker Tomas Manik er ansatt i prosjektet. Postdoc Baptiste Reyne
- SFI-Manufacturing: Ph.d veileder for Håkon Linga, 3D-printing.
- SFI-CASA: Var ph.d medveileder for Jianbin Xu, Modellering av dynamisk tøyningselding i AlMg. Diputerte juni 2021.
- SFI-Physmet:
- Ph.d hovedveileder for NTNU fakultetsstipend: Sohail Shah Atom Probe Tomography. clustering and nucleii in age hardened aluminium alloys
- Utvekslings ph.d. fra Chongqing University: Xiaoxi Mi
Roller:
- Medlem av studieprogramsrådet for masterprogrammene MTMT og MSMT.
- Styremedlem i Norsk Metallurgisk Samfunn, avdeling Trøndelag.
- Medlem i det internasjonale rådgivende styre for Lightform prosjektet (Univ. Manchester, Emperial College, Cambridge Univ.)
- Medlem i Norges Tekniske Vitenskapsakademi
Kompetanseord
Publikasjoner
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.
Vitenskapelig artikkel
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).
Vitenskapelig artikkel
-
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).
Vitenskapelig artikkel
-
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.
Vitenskapelig artikkel
-
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.
Vitenskapelig artikkel
2020
-
Holmedal, Bjørn.
(2020)
Regularized Yield Surfaces for Crystal Plasticity of Metals.
Crystals.
volum 10 (1076).
Vitenskapelig artikkel
-
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.
Vitenskapelig artikkel
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.
Vitenskapelig artikkel
-
Holmedal, Bjørn.
(2019)
Bauschinger effect modelled by yield surface distortions.
International journal of plasticity.
volum 123.
Vitenskapelig artikkel
-
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.
Vitenskapelig artikkel
-
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.
Vitenskapelig artikkel
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.
Vitenskapelig artikkel
-
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.
Vitenskapelig artikkel
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.
Vitenskapelig artikkel
-
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.
Vitenskapelig artikkel
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.
Vitenskapelig artikkel
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.
Vitenskapelig artikkel
-
Holmedal, Bjørn.
(2015)
On the basic relation between mean free slip length and work hardening of metals.
Philosophical Magazine.
volum 95 (25).
Vitenskapelig artikkel
-
Holmedal, Bjørn.
(2015)
Strength contributions from precipitates.
Philosophical Magazine Letters.
volum 95 (12).
Vitenskapelig artikkel
-
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.
Vitenskapelig artikkel
-
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.
Vitenskapelig artikkel
-
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.
Vitenskapelig artikkel
-
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).
Vitenskapelig artikkel
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).
Vitenskapelig artikkel
-
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.
Vitenskapelig artikkel
-
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).
Vitenskapelig artikkel
-
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).
Vitenskapelig artikkel
2013
-
Govindaraj, Nagaraj Vinayagam;
Frydendahl, Jan Gaute;
Holmedal, Bjørn.
(2013)
Layer continuity in accumulative roll bonding of dissimilar material combinations.
Materials & design.
volum 52.
Vitenskapelig artikkel
-
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).
Vitenskapelig artikkel
-
Mánik, Tomás;
Holmedal, Bjørn.
(2013)
Additional relaxations in the Alamel texture model.
Materials Science & Engineering: A.
volum 580.
Vitenskapelig artikkel
-
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).
Vitenskapelig artikkel
-
Zhao, Qinglong;
Holmedal, Bjørn.
(2013)
Modelling work hardening of aluminium alloys containing dispersoids.
Philosophical Magazine.
volum 93 (23).
Vitenskapelig artikkel
-
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.
Vitenskapelig artikkel
-
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).
Vitenskapelig artikkel
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.
Vitenskapelig artikkel
-
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).
Vitenskapelig artikkel
-
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).
Vitenskapelig artikkel
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).
Vitenskapelig artikkel
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).
Vitenskapelig artikkel
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).
Vitenskapelig artikkel
-
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).
Vitenskapelig artikkel
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).
Vitenskapelig artikkel
-
Holmedal, Bjørn;
Van Houtte, P.;
An, Y..
(2008)
A crystal plasticity model for strain-path changes in metals.
International journal of plasticity.
volum 24.
Vitenskapelig artikkel
-
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.
Vitenskapelig artikkel
2007
-
Holmedal, Bjørn.
(2007)
On the formulation of the mechanical threshold stress model.
Acta Materialia.
volum 55 (8).
Vitenskapelig artikkel
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.
Vitenskapelig Kapittel/Artikkel/Konferanseartikkel
-
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.
Vitenskapelig Kapittel/Artikkel/Konferanseartikkel
-
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.
Vitenskapelig Kapittel/Artikkel/Konferanseartikkel
-
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.
Vitenskapelig artikkel
-
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.
Vitenskapelig artikkel
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.
Vitenskapelig artikkel
-
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.
Vitenskapelig artikkel
-
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).
Vitenskapelig artikkel
-
Holmedal, Bjørn;
Tveitereid, Morten;
Palm, Enok.
(2005)
Planform selection in Rayleigh-Benard convection between finite slabs.
Journal of Fluid Mechanics.
volum 537 (537).
Vitenskapelig artikkel
-
Holmedal, Bjørn;
Tveitereid, Morten;
Palm, Enok.
(2005)
Planform selection in Rayleigh-Bénard convection between finite slabs.
Journal of Fluid Mechanics.
volum 537.
Vitenskapelig artikkel
-
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.
Vitenskapelig artikkel
2004
-
Nes, Erik Aasmund;
Marthinsen, Knut;
Holmedal, Bjørn.
(2004)
The effect of boundary spacing on substructure strengthening.
Materials Science and Technology.
volum 20.
Vitenskapelig artikkel
-
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.
Vitenskapelig artikkel
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.
Vitenskapelig artikkel
-
Andersson, Helge Ingolf;
Holmedal, Bjørn.
(1993)
Magnetohydrodynamic melting flow from a horizontal rotating disk.
Mathematical Models and Methods in Applied Sciences.
volum 3 (3).
Vitenskapelig artikkel
Tidsskriftspublikasjoner
-
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.
Vitenskapelig artikkel
-
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).
Vitenskapelig artikkel
-
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).
Vitenskapelig artikkel
-
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.
Vitenskapelig artikkel
-
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.
Vitenskapelig artikkel
-
Holmedal, Bjørn.
(2020)
Regularized Yield Surfaces for Crystal Plasticity of Metals.
Crystals.
volum 10 (1076).
Vitenskapelig artikkel
-
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.
Vitenskapelig artikkel
-
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.
Vitenskapelig artikkel
-
Holmedal, Bjørn.
(2019)
Bauschinger effect modelled by yield surface distortions.
International journal of plasticity.
volum 123.
Vitenskapelig artikkel
-
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.
Vitenskapelig artikkel
-
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.
Vitenskapelig artikkel
-
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.
Vitenskapelig artikkel
-
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.
Vitenskapelig artikkel
-
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.
Vitenskapelig artikkel
-
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.
Vitenskapelig artikkel
-
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.
Vitenskapelig artikkel
-
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.
Vitenskapelig artikkel
-
Holmedal, Bjørn.
(2015)
On the basic relation between mean free slip length and work hardening of metals.
Philosophical Magazine.
volum 95 (25).
Vitenskapelig artikkel
-
Holmedal, Bjørn.
(2015)
Strength contributions from precipitates.
Philosophical Magazine Letters.
volum 95 (12).
Vitenskapelig artikkel
-
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.
Vitenskapelig artikkel
-
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.
Vitenskapelig artikkel
-
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.
Vitenskapelig artikkel
-
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).
Vitenskapelig artikkel
-
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).
Vitenskapelig artikkel
-
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.
Vitenskapelig artikkel
-
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).
Vitenskapelig artikkel
-
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).
Vitenskapelig artikkel
-
Govindaraj, Nagaraj Vinayagam;
Frydendahl, Jan Gaute;
Holmedal, Bjørn.
(2013)
Layer continuity in accumulative roll bonding of dissimilar material combinations.
Materials & design.
volum 52.
Vitenskapelig artikkel
-
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).
Vitenskapelig artikkel
-
Mánik, Tomás;
Holmedal, Bjørn.
(2013)
Additional relaxations in the Alamel texture model.
Materials Science & Engineering: A.
volum 580.
Vitenskapelig artikkel
-
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).
Vitenskapelig artikkel
-
Zhao, Qinglong;
Holmedal, Bjørn.
(2013)
Modelling work hardening of aluminium alloys containing dispersoids.
Philosophical Magazine.
volum 93 (23).
Vitenskapelig artikkel
-
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.
Vitenskapelig artikkel
-
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).
Vitenskapelig artikkel
-
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.
Vitenskapelig artikkel
-
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).
Vitenskapelig artikkel
-
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).
Vitenskapelig artikkel
-
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).
Vitenskapelig artikkel
-
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).
Vitenskapelig artikkel
-
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).
Vitenskapelig artikkel
-
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).
Vitenskapelig artikkel
-
Grytten, Frode;
Holmedal, Bjørn;
Hopperstad, Odd Sture;
Børvik, Tore.
(2008)
Evaluation of identification methods for YLD2004-18p.
International journal of plasticity.
volum 24 (12).
Vitenskapelig artikkel
-
Holmedal, Bjørn;
Van Houtte, P.;
An, Y..
(2008)
A crystal plasticity model for strain-path changes in metals.
International journal of plasticity.
volum 24.
Vitenskapelig artikkel
-
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.
Vitenskapelig artikkel
-
Holmedal, Bjørn.
(2007)
On the formulation of the mechanical threshold stress model.
Acta Materialia.
volum 55 (8).
Vitenskapelig artikkel
-
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.
Vitenskapelig artikkel
-
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.
Vitenskapelig artikkel
-
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.
Vitenskapelig artikkel
-
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.
Vitenskapelig artikkel
-
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).
Vitenskapelig artikkel
-
Holmedal, Bjørn;
Tveitereid, Morten;
Palm, Enok.
(2005)
Planform selection in Rayleigh-Benard convection between finite slabs.
Journal of Fluid Mechanics.
volum 537 (537).
Vitenskapelig artikkel
-
Holmedal, Bjørn;
Tveitereid, Morten;
Palm, Enok.
(2005)
Planform selection in Rayleigh-Bénard convection between finite slabs.
Journal of Fluid Mechanics.
volum 537.
Vitenskapelig artikkel
-
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.
Vitenskapelig artikkel
-
Nes, Erik Aasmund;
Marthinsen, Knut;
Holmedal, Bjørn.
(2004)
The effect of boundary spacing on substructure strengthening.
Materials Science and Technology.
volum 20.
Vitenskapelig artikkel
-
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.
Vitenskapelig artikkel
-
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.
Vitenskapelig artikkel
-
Andersson, Helge Ingolf;
Holmedal, Bjørn.
(1993)
Magnetohydrodynamic melting flow from a horizontal rotating disk.
Mathematical Models and Methods in Applied Sciences.
volum 3 (3).
Vitenskapelig artikkel
Del av bok/rapport
-
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.
Vitenskapelig Kapittel/Artikkel/Konferanseartikkel
-
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.
Vitenskapelig Kapittel/Artikkel/Konferanseartikkel
-
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.
Vitenskapelig Kapittel/Artikkel/Konferanseartikkel
Undervisning
Emner
- TMT4222 - Metallenes mekaniske egenskaper
- TMT4266 - Metallforming - mikrostruktur og krystallplastisitet
- MT3901 - Spesialpensum til mastergraden
- TMT4500 - Materialteknologi, fordypningsprosjekt
- MT8218 - Avansert materialvitenskap
- MT8216 - Mikrostruktur- og egenskaper ved termomekanisk bearbeiding - Fenomener og teoretiske modeller
- TMT4240 - Metallenes mikrostruktur og egenskaper
Formidling
2016
-
Vitenskapelig foredragHolmedal, 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.