Paper Title:
Interaction of a Screw Dislocation with an Interfacial Crack in Two Dissimilar Piezoelectric Layers
  Abstract

A screw dislocation interacting with a semi-infinite interfacial crack in two dissimilar piezoelectric layers is studied. The complex variable method and the conformal mapping technique are employed to obtain the solution of the problem. The stress and electric displacement intensity factors are given explicitly. We find that the stress and electric displacement intensity factors depend on the effective electro-elastic material constants. Numerical example shows that the influence of piezoelectric effect on the crack tip shielding is significant.

  Info
Periodical
Key Engineering Materials (Volumes 261-263)
Edited by
Kikuo Kishimoto, Masanori Kikuchi, Tetsuo Shoji and Masumi Saka
Pages
141-146
DOI
10.4028/www.scientific.net/KEM.261-263.141
Citation
J. X. Liu, A. P. Liu, Z.Q. Jiang, A. K. Soh, "Interaction of a Screw Dislocation with an Interfacial Crack in Two Dissimilar Piezoelectric Layers", Key Engineering Materials, Vols. 261-263, pp. 141-146, 2004
Online since
April 2004
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