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Fracture behavior of a bonded magneto-electro-elastic rectangular plate with an interface crack

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Abstract

In this paper the anti-plane problem for an interface crack between two dissimilar magneto-electro-elastic plates subjected to anti-plane mechanical and in-plane magneto-electrical loads is investigated. The interface crack is assumed to be either magneto-electrically impermeable or permeable, and the position of the interface crack is arbitrary. The finite Fourier transform method is employed to reduce the mixed boundary-value problem to triple trigonometric series equations. The dislocation density functions and proper replacement of the variables are introduced to reduce these series equations to a standard Cauchy singular integral equation of the first kind. The resulting integral equation together with the corresponding single-valued condition is approximated as a system of linear algebra equations which can be easily solved. Field intensity factors and energy release rates are determined numerically and discussed in detail. Numerical results show the effects of crack configuration and loading combination parameters on the fracture behaviors of crack tips according to energy release rate criterion. The study of this problem is expected to have applications to the investigation of dynamic fracture properties of magneto-electro-elastic materials with cracks.

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Authors and Affiliations

  1. Department of Civil Engineering, The University of Hong Kong, Hong Kong, People’s Republic of China

    R.-K.-L. Su

  2. Department of Engineering Mechanics, Shijiazhuang Railway Institute, Shijiazhuang, 050043, People’s Republic of China

    W.-J. Feng

Authors
  1. R.-K.-L. Su
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  2. W.-J. Feng
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Correspondence to W.-J. Feng.

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Su, RKL., Feng, WJ. Fracture behavior of a bonded magneto-electro-elastic rectangular plate with an interface crack. Arch Appl Mech 78, 343–362 (2008). https://doi.org/10.1007/s00419-007-0165-6

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  • DOI: https://doi.org/10.1007/s00419-007-0165-6

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