Summary
The singular mechanical and electric fields in a three-dimensional piezoelectric ceramic strip containing a penny shaped crack under in-plane normal mechanical and electrical loadings based on the continuous electric boundary conditions on the crack surface are considered here. The potential theory and Hankel transforms are used to obtain a system of dual integral equations, which is then expressed as a Fredholm integral equation. All sorts of field intensity factors of Mode I are given, and numerical values for PZT-6B piezoelectric ceramic are graphically shown.
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Yang, J.H., Lee, K.Y. Penny shaped crack in a three-dimensional piezoelectric strip under in-plane normal loadings. Acta Mechanica 148, 187–197 (2001). https://doi.org/10.1007/BF01183677
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DOI: https://doi.org/10.1007/BF01183677