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On the dynamic behavior of a piezoelectric-elastic laminate with a crack in the piezoelectric material under electro-mechanical loads

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Abstract

The dynamic behavior of a piezoelectric-elastic laminate with a crack in the piezoelectric material under in-plane steady-state electro-mechanical loads is considered. Based on the use of integral transform techniques, the problem is reduced to a set of singular integral equations, which are solved using Chebyshev polynomial expansions. Numerical results are provided to show the variation of both the dynamic stress intensity factors and electric displacement intensity factor with frequencies of the applied electro-mechanical loads. A phenomenon similar to “resonance” is observed when the applied loads act in some specific ranges of frequencies, and both the dynamic stress intensity factors and electric displacement intensity factor may increase significantly, which will lead to the failure of piezoelectric material. The effects of applied electric fields, crack geometry and elastic layer thickness on the phenomenon are also discussed.

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Authors and Affiliations

  1. Department of Civil Engineering, Shantou University, 515063, Shantou, China

    Huizhan Zhang & Xiaohua Zhao

  2. Department of Physics, Shantou University, 515063, Shantou, China

    Jianxin Su

Authors
  1. Huizhan Zhang
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  2. Xiaohua Zhao
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  3. Jianxin Su
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Correspondence to Xiaohua Zhao.

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Zhang, H., Zhao, X. & Su, J. On the dynamic behavior of a piezoelectric-elastic laminate with a crack in the piezoelectric material under electro-mechanical loads. Int J Fract 168, 181–196 (2011). https://doi.org/10.1007/s10704-010-9570-x

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  • DOI: https://doi.org/10.1007/s10704-010-9570-x

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