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Interfacial dislocation and its applications to interface cracks in anisotropic bimaterials

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Abstract

Interfacial dislocations and cracks in anisotropic bimaterials are considered. The displacement and the stress fields due to an interfacial dislocation are obtained in a real and simple form. Explicit solutions to the traction along the interface and the crack opening displacement for a Griffith interface crack are derived. Possible definitions of stress intensity factors are given which reduce to the classical definition for a crack in a homogeneous medium. It is found that a planar interface between dissimilar anisotropic solids is completely characterized by no more than 9 independent parameters. Some invariant properties of the dislocation and crack solutions under coordinate transformation are also discussed.

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Author notes

  1. Qianqian Li

    Present address: Centcircuit International, Inc., Duluth, Georgia

Authors and Affiliations

  1. School of Mechanical Engineering, Georgia Institute of Technology, 30332, Atlanta, GA, USA

    Jianmin Qu

  2. Department of Civil Engineering, Mechanics and Metallurgy, University of Illinois at Chicago, 60680, Chicago, IL, USA

    Qianqian Li

Authors
  1. Jianmin Qu
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Qu, J., Li, Q. Interfacial dislocation and its applications to interface cracks in anisotropic bimaterials. J Elasticity 26, 169–195 (1991). https://doi.org/10.1007/BF00041220

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  • DOI: https://doi.org/10.1007/BF00041220

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