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An Overview of the Anatomy of Crystal Plasticity Models

✍ Scribed by Georges Cailletaud

Publisher
John Wiley and Sons
Year
2009
Tongue
English
Weight
429 KB
Volume
11
Category
Article
ISSN
1438-1656

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✦ Synopsis

Abstract

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.

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