期刊
JOURNAL OF THERMAL STRESSES
卷 29, 期 4, 页码 295-316出版社
TAYLOR & FRANCIS INC
DOI: 10.1080/01495730500360450
关键词
thermoelectroelasticity; piezoelectric material; parallel crack; integral transform
This paper investigates the thermoelectromechanical fracture behavior of a parallel crack in a piezoelectric strip under thermoelectric loading. The crack faces are supposed to be insulated thermally and electrically. By using the Fourier transform, the thermal and electromechanical problems are reduced to a system of singular integral equations, respectively, which are solved numerically. Numerical calculations are carried out, and the energy density factor as well as the stress and electric displacement intensity factors are presented for various values of dimensionless parameters representing the size and the location of the crack and the magnitude of the electric loading.
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