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TECHNICAL PAPERS

Interaction Between a Semi-Infinite Crack and a Screw Dislocation in a Piezoelectric Material

[+] Author and Article Information
Kang Yong Lee, Won Gyu Lee

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

Y. Eugene Pak

Micro Systems Laboratory, System and Control Sector, Samsung Advanced Institute of Technology and CRI, P.O. Box 111, Suwon 440-600, Korea

J. Appl. Mech 67(1), 165-170 (Sep 21, 1999) (6 pages) doi:10.1115/1.321172 History: Received July 07, 1999; Revised September 21, 1999
Copyright © 2000 by ASME
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References

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Suo,  Z., Kuo,  C.-M., Barnett,  D. M., and Willis,  J. R., 1992, “Fracture Mechanics for Piezoelectric Ceramics,” J. Mech. Phys. Solids, 26, pp. 739–765.
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Meguid,  S. A., and Deng,  Wei, 1998, “Electro-Elastic Interaction Between a Screw Dislocation and an Elliptical Inhomogeneity in Piezoelectric Materials,” Int. J. Solids Struct., 35, pp. 1467–1482.
Majumdar,  B. S., and Burns,  S. J., 1981, “Crack Tip Shielding—An Elastic Theory of Dislocations and Dislocation Arrays Near a Sharp Crack,” Acta Metall., 29, pp. 579–588.
Ohr,  S. M., Chang,  S.-J., and Thomson,  R., 1985, “Elastic Interaction of a Wedge Crack With a Screw Dislocation,” J. Appl. Phys., 57, pp. 1839–1843.
Damjanovic,  D., 1997, “Stress and Frequency Dependence of the Direct Piezoelectric Effect in Ferroelectric Ceramics,” J. Appl. Phys., 82, pp. 1788–1797.
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Figures

Grahic Jump Location
A screw dislocation with a line-force and a line-charge near a semi-infinite crack in a piezoelectric material
Grahic Jump Location
The effect of the line-loads, the Burgers vector, and the electric potential jump on the resultant crack extension force

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