Textures and Microstructures
Volume 12, Issue 1-3, Pages 89-101
http://dx.doi.org/10.1155/TSM.12.89
Lower Bound Yield Locus Calculations
University of Michigan, Department of Materials Science and Engineering, Ann Arbor, Michigan 48109, USA
Received 15 February 1989
Copyright © 1990 Hindawi Publishing Corporation. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
Abstract
A lower-bound model for the deformation of work-hardening polycrystals is proposed. All grains are
assumed to be loaded under the same stress and the stress–strain behavior is found by averaging the
strains in all grains. The shapes of the yield loci have been calculated for textured metals which
deform by {111}