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A Crack Emanating from a Wedge In Dissimilar Anisotropic Materials Under Antiplane Shear

  • Letters in Fracture and Micromechanics
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Abstract

A crack in a composite wedge consisting of two dissimilar anisotropic materials under concentrated antiplane loads is analyzed. The problem of a crack in an isotropic composite wedge is solved first by using the Mellin transform and the Wiener-Hopf method. Using a linear transformation of the original composite wedge into an isotropic composite wedge consisting of dissimilar isotropic materials, the antiplane displacement and stresses for the anisotropic composite wedge are obtained from the solution for the transformed wedge. The stress intensity factor for the crack in the original anisotropic composite wedge is obtained from the solution of the crack in the transformed wedge. Special attention is given to the asymptotic problem of a wedge crack in an anisotropic bimaterial. Numerical computations are carried out to obtain the energy release rate for various apex angles and anisotropic parameters as a function of crack angle.

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Authors and Affiliations

  1. Department of Mechanical Engineering, Inha University, 253 Yonghyundong, Incheon, 402-751, Korea

    Hyeon Gyu Beom & Hyun Seok Jang

Authors
  1. Hyeon Gyu Beom
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  2. Hyun Seok Jang
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Correspondence to Hyeon Gyu Beom.

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Beom, H.G., Jang, H.S. A Crack Emanating from a Wedge In Dissimilar Anisotropic Materials Under Antiplane Shear. Int J Fract 177, 191–198 (2012). https://doi.org/10.1007/s10704-012-9751-x

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  • DOI: https://doi.org/10.1007/s10704-012-9751-x

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