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The Interaction of a Screw Dislocation and a Free Boundary in a Piezoelectric Material

โœ Scribed by Xian-Fang Li; Xiang-Yang Duan

Publisher
John Wiley and Sons
Year
2001
Tongue
English
Weight
91 KB
Volume
227
Category
Article
ISSN
0370-1972

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โœฆ Synopsis

The interaction of a straight screw dislocation and the free surface of an infinitely long piezoelectric cylinder with the poling direction as the generator of this cylinder is analyzed. The dislocation line is oriented in the poling direction. By using the conformal mapping method, the expressions for the electric and elastic fields are given in terms of an appropriate conformal mapping and the image force exerted on the screw dislocation is determined. Some illustrative examples are given.

๐Ÿ“œ SIMILAR VOLUMES

A Screw Dislocation Interacting with an
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โœ Ai Kah Soh; Jin-Xi Liu; Dai-Ning Fang ๐Ÿ“‚ Article ๐Ÿ“… 2002 ๐Ÿ› John Wiley and Sons ๐ŸŒ English โš– 117 KB ๐Ÿ‘ 2 views

In this paper the interaction of a screw dislocation with a semi-infinite interfacial crack of two dissimilar piezoelectric materials is considered. The expressions for the electroelastic fields, intensity factors, and image force acting on a screw dislocation are given in explicit form in terms of