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TECHNICAL PAPERS

Electromechanical Effects of a Screw Dislocation Around a Finite Crack in a Piezoelectric Material

[+] Author and Article Information
J. H. Kwon, K. Y. Lee

Department of Mechanical Engineering, Yonsei University, Seoul 120-749, Korea

J. Appl. Mech 69(1), 55-62 (Aug 09, 2001) (8 pages) doi:10.1115/1.1427692 History: Received November 09, 1999; Revised August 09, 2001
Copyright © 2002 by ASME
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References

Figures

Grahic Jump Location
A piezoelectric medium containing a screw dislocation around a finite crack of length 2a subjected to far-field mechanical and electrical loads
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Force on a screw dislocation, Fx versus dislocation angle, θ
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Force on a screw dislocation, Fy versus dislocation angle, θ
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Force on a screw dislocation, Fx versus normalized distance, r/a
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Force on a screw dislocation, Fy versus normalized distance, r/a
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Force on a screw dislocation, Fx versus electric displacement, D
Grahic Jump Location
Force on a screw dislocation, Fy versus electric displacement, D
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Normalized energy release rate, G(±a)/Gcr versus dislocation angle, θ
Grahic Jump Location
Normalized energy release rate, G(±a)/Gcr versus normalized distance, r/a
Grahic Jump Location
Normalized energy release rate, G(±a)/Gcr versus electric field, E

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