期刊
JOURNAL OF MATERIALS RESEARCH
卷 26, 期 5, 页码 623-632出版社
CAMBRIDGE UNIV PRESS
DOI: 10.1557/jmr.2010.92
关键词
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资金
- Deutsche Forschungsgemeinschaft DFG [HO4227/1, GU367/30]
Miniaturization of components and devices calls for an increased effort on physically motivated continuum theories, which can predict size-dependent plasticity by accounting for length scales associated with the dislocation microstructure. An important recent development has been the formulation of a Continuum Dislocation Dynamics theory (CDD) that provides a kinematically consistent continuum description of the dynamics of curved dislocation systems [T. Hochrainer, et al., Philos. Mag. 87, 1261 (2007)]. In this work, we present a brief overview of dislocation-based continuum plasticity models. We illustrate the implementation of CDD by a numerical example, bending of a thin film, and compare with results obtained by three-dimensional discrete dislocation dynamics (DDD) simulation.
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