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TECHNICAL PAPERS

A Mode III Crack in a Functionally Graded Piezoelectric Material Strip

[+] Author and Article Information
B. L. Wang

Center for Advanced Materials Technology (CAMT), School of Aerospace, Mechanical and Mechatronic Engineering J07, University of Sydney, Sydney NSW 2006, Australia e-mail: baolin.wang@aeromechanical.usyd.edu.au

X. H. Zhang

Center for Composite Materials, Harbin Institute of Technology, Harbin 150001, P. R. China

J. Appl. Mech 71(3), 327-333 (Jun 22, 2004) (7 pages) doi:10.1115/1.1755692 History: Received September 19, 2002; Revised October 13, 2003; Online June 22, 2004
Copyright © 2004 by ASME
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References

Figures

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Material properties distributions; βh=1.5, curve 1: f=sinh2(βy+0.8814), curve 2: f=exp(2βy), curve 3: f=(βy+1)2, curve 4: f=cosh2(βy), curve 5: f=sin2(βy+π/2)
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The effect of the crack location on the stress intensity factors; a=0.75h,f=exp(2βy)
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The effect of the crack location on the stress intensity factors; a=0.75h,f=sinh2(βy+0.8814)
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The effect of the crack location on the stress intensity factors; a=0.75h,μ=μ0 cosh2(βy)
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The effect of the crack location on the stress intensity factors; a=0.75h,f=sin2(βy+π/2) or f=cos2(βy)
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The effect of the crack location on the stress intensity factors; a=0.75h,f=(βy+1)2
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Stress intensity factors for two collinear cracks in a FGPM strip; a=(c−b)/2=0.5h,h1=h2,f=exp(2βy)
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Geometry of the crack problem
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Two symmetrically located collinear cracks

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