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
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