Blar i Institutt for materialteknologi på tidsskrift "Materials Science Forum"
Viser treff 1-19 av 19
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A First-Principles Study of the Al (001)/Fe(0-11) Interface
(Journal article; Peer reviewed, 2018)Two phase Stefan problem was solved using analytical method in cylindrical domain. To solve governing equations Eigen conditions were formulated by using separation of variable technique. Eigenvalues of the eigencondition ... -
Al-5Cu alloy processed by equal-channel angular pressing
(Journal article; Peer reviewed, 2017)An ECAP (equal channel angular pressing) processed UFG Al-5Cu alloy was characterized by electron backscatter diffraction (EBSD). It is revealed that a bimodal grain structure, i.e. ultrafine grains accompanied by micron-sized ... -
Characterization and Modelling of the Microstructure and Texture Evolution In AlMgSi-Extrusions
(Journal article, 2017)The properties and surface appearance of aluminium extrusion are critically dependent on the microstructure and texture of the extruded profiles, and the requirements with respect to these aspects may vary with applications. ... -
Characterization the softening behavior of cold rolled AlMnFeSi-alloys during conditions of concurrent precipitation
(Journal article, 2013)In the present work an Al-Mn-(Fe-Si) model alloy has been subjected to different homogenization treatments, to achieve materials with different microchemistry states in terms of constituents, levels of Mn in solid solution ... -
Directionality and column arrangement principles of precipitates in Al-Mg-Si-(Cu) and Al-Mg-Cu linked to line defect in Al
(Journal article, 2016)In the structures of all metastable precipitates in Al-Mg-Cu and Al-Mg-Si alloys, we find that column surrounding of an element column in the needle/lath direction order according to simple principles. Advanced transmission ... -
Evolution of SiOx shell layers on SiC-SiOx core-shell nanowires
(Peer reviewed; Journal article, 2020)Composite core-shell SiC-SiOx nanowires can be produced by heating quartz and SiC powders, with addition of Ar(g) or He(g). The two powders are mixed to create pellets, which will react to SiO(g) and CO(g) at elevated ... -
Experimental Characterization and Modelling of the PLC Effect in an AlMg-Alloy
(Peer reviewed; Journal article, 2021)In the present work, uniaxial tension tests have been conducted to study the mechanical response of a commercial Al4.5wt%Mg alloy (AA5182). The measurements range from the strain rate of 10-4 to 100 s-1 at room temperature. ... -
Interfacial and strain energy analysis from ab initio based hierarchical multi-scale modelling: the Al–Mg–Si alloy β'' phase
(Journal article, 2014)Precipitate-host lattice interface studies have not traditionally been viewed as requiring hybrid model schemes for accurate determination of the interfacial and strain energies. On the other hand, the interfaces of main ... -
Isothermal and non-isothermal annealing of cold-rolled Al-Mn-Fe-Si alloys with different microchemistry states
(Journal article, 2014)Investigation of the microstructural evolution of Al-Mn-Fe-Si alloys during annealing after cold rolling has been carried out. The effect of microchemistry state in terms of Mn in solid solution, constituents, size and ... -
Microstructural evolution during isothermal annealing of a cold-rolled Al-Mn-Fe-Si alloy with different microchemistry states
(Journal article, 2014)In this paper, investigations of the softening behaviour of a supersaturated Al-Mn-Fe-Si alloy during annealing after cold rolling have been carried out. Two different homogenization conditions were considered, of which ... -
Microstructure and Mechanical Properties of 6013 Aluminum Alloy Processed by a Combination of ECAP and Preaging Treatment
(Journal article; Peer reviewed, 2017)Microstructure and mechanical properties of a 6013 Al-Mg-Si-Cu aluminum alloy processed by a combination of equal channel angular pressing (ECAP) and preaging treatment were comparatively investigated using quantitative ... -
Modelling microstructure and properties during annealing of coldrolled Al-Mn-Fe-Si-alloys with different microchemistries
(Journal article, 2014)The physical basis and a mathematical formulation of a softening model nicknamed Alsoft, accounting for the combined effect of recovery and recrystallization during annealing of heavily deformed aluminium alloys have been ... -
Modelling of strain-path transients in commercially pure aluminium
(Journal article, 2017)In the current work, the recently proposed homogeneous anisotropic hardening (HAH) model, featuring a distorted yield surface, is applied to commercially pure aluminium. A dislocation-based hardening rule is incorporated ... -
Modelling the evolution in microchemistry and its effects on the softening behavior of cold rolled AlFeMnSi-alloys during annealing
(Journal article, 2013)A dedicated diffusion controlled precipitation model for AlMnFeSi-alloys, based on classical nucleation and growth theory, has been implemented and coupled to a phenomenological softening model accounting for the combined ... -
Modelling time-dependent nucleation of recrystallization in aluminium alloys
(Journal article; Peer reviewed, 2013)The basic equations and mathematical framework of a mean-field model for recovery and recrystallization, the latter based on the Johnson-Mehl-Avrami-Kolmogorov (JMAK) approach, capable of handling time-dependent nucleation ... -
Recovery Kinetics in High Purity and Commercial Purity Aluminium Alloys
(Journal article, 2013)Motivated by improving current softening models for recycle friendly alloys, softening was investigated in high purity and commercial purity aluminium alloys. Utilizing the electron backscatter diffraction (EBSD) technique, ... -
Recycling of Aluminum Scrap by Severe Plastic Deformation
(Journal article; Peer reviewed, 2011)The production of primary aluminum is an energy costly process. With the global warming being of concern, the secondary aluminum stream is becoming an even more important component of aluminum production and is attractive ... -
Subgrain structures characterized by electron backscatter diffraction (EBSD)
(Journal article; Peer reviewed, 2014)Subgrain structures are frequently characterized by the electron backscatter diffraction (EBSD) method, which is both accurate and provides good statistics. This is essential to better understand the subgrain growth ... -
The Effect of Heating Rate on the Density and Spatial Distribution of Dispersoids during Homogenisation of 6xxx Aluminium Alloys
(Journal article; Peer reviewed, 2017)