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2. CONTINUUM MECHANICS AND THERMODYNAMICS OF PLASTICITY IN RELATION TO MICRO SCALE DEFORMATION MECHANISMS

By A. S. Argon and J. R. Rice

Abstract

Equation (AI. IS) would appear to be the basis of the pre-exponential factor in the phenomenological form of the shear strain rate equation (eqn. 1.5) found by Hart, Li and their co-workers (see Chapter S). 5.0,-------,----,--,--.-,-.-,,,,------. ABSTRACT. This chapte ~ p~esents the foundations in continuum mechanics and i~~eve~sible the~odynamics fo ~ constitutive ~elations gove~ing plasticity. Special emphasis is given to the connection of mac~oscopic fo~lations to defo~ation mechanisms as ope~ative on the mic~scale. Indeed, much of the chapte ~ is organized around an inte~al variable f~amewo~k by which inelastic st~ctural ~ea~rangements of a ~ep~esentative mate~al sample can be ~elated to its mac~oscopic defo~mation. This is illust~ated most extensively fo ~ defo~tion by slip, but othe~ mechanisms such as diffusion and phase changes a~e discussed as well. An extended synopsis is given in the summa ~ section

Year: 2011
OAI identifier: oai:CiteSeerX.psu:10.1.1.193.4405
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