Journal of Mechanical Science and Technology

The Korean Society of Mechanical Engineers (대한기계학회)
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Crack Problem at Interface of Piezoelectric Strip Bonded to Elastic Layer Under Anti-Plane Shear

  • Lee, Kang-Yong (Department of Mechanical Engineering, Yonsei University) ;
  • Kwon, Jong-Ho (Department of Mechanical Engineering, Yonsei University)
  • Published : 2001.01.01
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Abstract

Using the theory of linear piezoelectricity, the problem of two layered strip with a piezoelectric ceramic bonded to an elastic material containing a finite interface crack is considered. The out-of-plane mechanical and in-plane electrical loadings are simultaneously applied to the strip. Fourier transforms are used to reduce the problem to a pair of dual integral equations, which is then expressed in terms of a Fredholm integral equation of the second kind. The stress intensity factor is determined, and numerical analyses for several materials are performed and discussed.

Keywords

References

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