Modeling discrete twin lamellae in a microstructural framework

The impact of deformation twins on the mechanical response of metals derives from the fact that they are microstructural inhomogeneities that create lattice reorientation and introduce local stress fields. Efforts have begun towards microstructural modeling of discrete twin domains within individual...

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Bibliographic Details
Published in:Scripta materialia 2016-08, Vol.121 (C), p.84-88
Main Authors: Knezevic, Marko, Daymond, Mark R., Beyerlein, Irene J.
Format: Article
Language:English
Subjects:
Crystal plasticity
Deformation
Dislocations
Inhomogeneities
Lattices
Mechanical analysis
Mesostructure
Microstructure
Modelling
Strain
Stresses
Texture
Twinning
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Summary:The impact of deformation twins on the mechanical response of metals derives from the fact that they are microstructural inhomogeneities that create lattice reorientation and introduce local stress fields. Efforts have begun towards microstructural modeling of discrete twin domains within individual grains and the stress and strain fields that result from them. The aim of this viewpoint article is to review these endeavors, highlighting the insights gained by these studies, the advantages and disadvantages of the seemingly diverse approaches taken to date, and on this basis, offer our perspective on promising future steps. [Display omitted]
ISSN:1359-6462
1872-8456
DOI:10.1016/j.scriptamat.2016.04.026