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Plastic zone characteristics of crack tip in anisotropic solids

โœ Scribed by Zhiming Ye

Publisher
Springer Netherlands
Year
1996
Tongue
English
Weight
280 KB
Volume
74
Category
Article
ISSN
1573-2673

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โœฆ Synopsis

This paper presents a comprehensive derivation of fracture plastic zone size which closely parallels similar work in fracture of isotropic media, but is adapted to anisotropic solids. Some models of anisotropic materials will be discussed by using uniaxial stress and biaxial assumptions. For uniaxial stress assumption, three models will be presented for softening models. For biaxial stress assumption, Hill's yield criterion is adapted to seek the shapes of plastic zone.

Sih and Liebowitz [1-3] and Wu [4] obtained the stress distribution and displacements in the neighborhood of a crack tip, which are: For the plane symmetric case, K 1

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