期刊
INTERNATIONAL JOURNAL OF PLASTICITY
卷 25, 期 10, 页码 1819-1832出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.ijplas.2008.11.007
关键词
Voids and inclusions; Elastic-plastic material; Nano-void plasticity; Analytic functions
The growth of a spherical void in an elastic-plastic body, subjected to external pressure or tension and a gas pressure as well as a surface stress at the void surface, is investigated. The deformation, strain and stress state in the full body is presented. In addition, the local and global energy terms are calculated. Finally the total thermodynamic force on the void surface as well as the total dissipation are evaluated and compared allowing the calculation of the mechanical contribution to void growth due to diffusion of vacancies generated by plastification or irradiation. (C) 2009 Published by Elsevier Ltd.
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