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TECHNICAL PAPERS

Analysis and Testing of Indentation Fracture Behavior of Piezoelectric Ceramics Under an Electric Field

[+] Author and Article Information
Y. Shindo, M. Oka, K. Horiguchi

Department of Materials Processing, Graduate School of Engineering, Tohoku University, Aoba-yama 02, Sendai 980-8579, Japan

J. Eng. Mater. Technol 123(3), 293-300 (Feb 13, 2001) (8 pages) doi:10.1115/1.1370370 History: Received April 27, 1999; Revised February 13, 2001
Copyright © 2001 by ASME
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References

Figures

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Finite element model for a piezoelectric body containing a half-penny-shaped crack normal to poling
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Finite element model for a piezoelectric body containing a half-penny-shaped crack parallel to poling
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Finite element model for a piezoelectric body containing two half-penny-shaped cracks
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Comparison of crack lengths between CC condition and OC condition (P-7)
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Crack length versus electric field
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Normalized crack extension versus Vickers load for P-7
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Apparent fracture toughness versus electric field for P-7
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Normalized energy release rate versus point force
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Normalized energy release rate versus electric field
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Normalized stress intensity factor versus electric field

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