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Article

Transient Elastodynamic Crack Growth in Functionally Graded Materials

[+] Author and Article Information
Vijaya Bhaskar Chalivendra

Graduate Aeronautical Laboratorires, California Institute of Technology, Pasadena, CA 91125

Arun Shukla

Dynamic Photomechanics Laboratory, Department of Mechanical Engineering and Applied Mechanics, University of Rhode Island, Kingston, RI 02881 e-mail: skuklaa@egr.ur.edu

J. Appl. Mech 72(2), 237-248 (Mar 15, 2005) (12 pages) doi:10.1115/1.1831292 History: Received August 25, 2003; Revised August 03, 2004; Online March 15, 2005
Copyright © 2005 by ASME
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References

Figures

Grahic Jump Location
Effect of crack-tip acceleration on contours of constant out-of-plane displacement around the crack tip for opening mode loading in an FGM (δ=20, φ=0°, KID(t)=1 MPa m1/2,KIID(t)=0,dKID(t)/dt=105 MPa m1/2 s−1,dKIID(t)/dt=0,c=300 m/s, and ν=0.3)
Grahic Jump Location
Effect of acceleration on out-of-plane displacement at various positions around the crack tip (theta is measured in a counterclockwise direction from positive x-axis)
Grahic Jump Location
Propagating crack orientation with respect to the direction of property variation in FGM
Grahic Jump Location
Effect of rate of change of mode-I stress intensity factor on contours of constant out-of-plane displacement around the crack tip for opening mode loading in an FGM [δ=20, φ=0°, KID(t)=1 MPa m1/2,KIID(t)=0,c=300 m/s,dc/dt=0,dKIID(t)/dt=0 and ν=0.3]
Grahic Jump Location
Effect of transient mode-I stress intensity factor on out-of-plane displacement at various positions around the crack tip (theta is measured in a counterclockwise direction from positive x-axis)
Grahic Jump Location
Effect of rate of change of mode-I stress intensity factor and mode-II stress intensity factor on contours of constant out-of-plane displacement around the crack tip for mixed mode loading in an FGM [δ=20, φ=45°, KID(t)=1 MPa m1/2,KIID(t)=1 MPa m1/2, c=300 m/s, dc/dt=0, and ν=0.3]
Grahic Jump Location
Effect of crack-tip acceleration on contours of constant out-of-plane displacement around the crack tip for mixed mode loading in a FGM [δ=20, φ=45°, KID(t)=KIID(t)=1 MPa m1/2,dKID(t)/dt=dKIID(t)/dt=105 MPa m1/2 s−1, c=300 m/s, and ν=0.3]

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