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A note on the effect of surface energy and void size to void growth

โœ Scribed by B. Huo; Q.-S. Zheng; Y. Huang

Publisher
Elsevier Science
Year
1999
Tongue
English
Weight
150 KB
Volume
18
Category
Article
ISSN
0997-7538

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โœฆ Synopsis

Recent studies revealed that rapid void growth is the dominant failure mechanism in an elasto-plastic solid under high mean tensile stress. This paper studies the effect of the surface energy and void size to the void growth. The models of a thick spherical shell and a thick spherical column in void growth are analyzed and numerically estimated. The main conclusion from this study is that, for typical metals, the surface energy effect is negligible for voids larger than 100 nm in size, but it may become significant when the void size is on the order of 10 nm.

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