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An Overview of the Anatomy of Crystal Plasticity Models
Author(s) -
Cailletaud Georges
Publication year - 2009
Publication title -
advanced engineering materials
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.938
H-Index - 114
eISSN - 1527-2648
pISSN - 1438-1656
DOI - 10.1002/adem.200900064
Subject(s) - crystal plasticity , materials science , plasticity , hardening (computing) , constitutive equation , yield (engineering) , phenomenological model , crystal (programming language) , crystallography , statistical physics , finite element method , metallurgy , computer science , thermodynamics , condensed matter physics , physics , composite material , chemistry , layer (electronics) , programming language
Single crystals, polycrystals, and DS alloys can be modeled in the same framework by means of crystal plasticity. This paper wants to show the common features of the different approaches on the grain level, and the additional assumptions that are needed to derive polycrystal or DS models. Phenomenological rules are introduced for representing the hardening in the single crystal constitutive equations. Series of examples are given to illustrate the capabilities of the various approaches that are mainly related to the crystallographic character, and to the fact that the macroscopic yield locus is not predefined, but built from a collection of linear yield conditions.