Journal
SCRIPTA MATERIALIA
Volume 48, Issue 2, Pages 119-125Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/S1359-6462(02)00335-4
Keywords
dislocations; constitutive equations; theory and modeling-defects; mechanical properties-plastic; strain gradient plasticity
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A few issues related to the modeling of size effects in terms of geometrically necessary dislocations (GNDs) are critically discussed, viz. strain hardening, length scale dependence, types of GND arrays. Consequences are drawn regarding the continuum modeling of size effects in plasticity. (C) 2002 Acta Materialia Inc. Published by Elsevier Science Ltd. All rights reserved.
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