Matrix Coherency Strain and Hardening of Al-Mg-Si

Sverre Gulbrandsen-Dahl; Knut E. Moen; Flemming J.H. Ehlers; Calin D. Marioara; Ketill Olav Pedersen; Knut Marthinsen

doi:10.4028/www.scientific.net/MSF.638-642.229

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HomeMaterials Science ForumMaterials Science Forum Vols. 638-642Matrix Coherency Strain and Hardening of Al-Mg-Si

Matrix Coherency Strain and Hardening of Al-Mg-Si

Abstract:

Standard and high resolution transmission electron microscopy (TEM) and advanced post processing of the TEM images have been applied for quantitative characterization of the hardening particle structure of an Al-Mg-Si alloy optimized for formation of the metastable phase β’. The relation between the structural characterization and the mechanical properties has been developed. A first attempt is presented on visualization and quantification of the coherency strain field of β’, based on a combination of Vienna Ab-initio Simulation Package (VASP) calculations and continuum mechanical modelling.

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Materials Science Forum (Volumes 638-642)

Pages:

229-234

DOI:

https://doi.org/10.4028/www.scientific.net/MSF.638-642.229

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Online since:

January 2010

Authors:

Sverre Gulbrandsen-Dahl, Knut E. Moen, Flemming J.H. Ehlers, Calin D. Marioara, Ketill Olav Pedersen, Knut Marthinsen

Keywords:

Aluminum (Al), Coherency Strain, Hardening, Particle

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