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TECHNICAL PAPERS

Three-Dimensional Electroelastic Analysis of a Piezoelectric Material With a Penny-Shaped Dielectric Crack

[+] Author and Article Information
Xian-Fang Li

Institute of Mechanics and Sensor Technology, School of Civil Engineering and Architecture, Central South University, Changsha, Hunan 410083, Chinae-mail: xfli25@yahoo.com.cn

Kang Yong Lee

School of Mechanical Engineering, Yonsei University, Seoul 120-749, South Koreae-mail: KLY2813@yonsei.ac.kr

J. Appl. Mech 71(6), 866-878 (Jan 27, 2005) (13 pages) doi:10.1115/1.1795219 History: Received September 03, 2003; Revised March 17, 2004; Online January 27, 2005
Copyright © 2004 by ASME
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References

Figures

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Geometry of a piezoelectric material with a penny-shaped crack along with the corresponding coordinates
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Electric displacement versus applied electric field with σ0=5 MPa for various values of ε(c) of the crack interior for a cracked PZT-5H ceramic
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Variation of the COD intensity factor KCOD with applied electric field E0 for ε(c)0=0, 1, ∞, (a) σ0=5 MPa, (b) σ0=20 MPa, and (c) σ0=0 MPa
Grahic Jump Location
Variation of the COD intensity factor KCOD with applied mechanical stress σ0 for ε(c)0=0, 1, ∞, (a) E0=0 kV/cm, (b) E0=5 kV/cm, and (c) E0=−5 kV/cm
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Electric displacement intensity factor KD as a function of applied mechanical stress σ0 for ε(c)0=0, 1, ∞, (a) E0=0 kV/cm, (b) E0=5 kV/cm, and (c) E0=−5 kV/cm
Grahic Jump Location
Electric field intensity factor KE as a function of applied mechanical stress σ0 for ε(c)0=0, 1, ∞, (a) E0=0 kV/cm, (b) E0=5 kV/cm, and (c) E0=−5 kV/cm

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