Yield functions and plastic potentials for BCC metals and possibly other materials

Christensen, Richard

doi:10.2140/jomms.2006.1.183

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Yield functions and plastic potentials for BCC metals and possibly other materials

Richard M. Christensen

Vol. 1 (2006), No. 1, 183–200

DOI: 10.2140/jomms.2006.1.183

Abstract

Yield functions and plastic potentials are expressed in terms of the invariants of the stress tensor for polycrystalline metals and other isotropic materials. The plastic volume change data of Richmond is used to evaluate the embedded materials properties for some bcc metals and one polymer. A general form for the plastic potential is found that is intended to represent and cover a wide range of materials types.

Keywords

yield functions, plastic potentials, BCC Metals

Milestones

Received: 28 October 2005

Accepted: 6 December 2005

Published: 1 May 2006

Authors

Richard M. Christensen
Lawrence Livermore National Laboratory P.O. Box 808, L–356 Livermore CA 94550	Department of Aeronautics and Astronautics Stanford University Stanford, CA 94305

Vol. 1, No. 1, 2006

Richard M. Christensen

Abstract

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