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BRIEF NOTES

Asymmetric Four-Point Crack Specimen

[+] Author and Article Information
M. Y. He

Materials Engineering Department, University of California, Santa Barbara, CA 93106

J. W. Hutchinson

Division of Engineering and Applied Sciences, Harvard University, Cambridge, MA 02138

J. Appl. Mech 67(1), 207-209 (Feb 22, 1999) (3 pages) doi:10.1115/1.321168 History: Accepted February 22, 1999; Received February 22, 1999
Copyright © 2000 by ASME
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References

Figures

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Geometry of the asymmetric bending and shear specimen
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Location of the crack for pure mode II at its tip (α=1)
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Correction factor for mode II intensity factor (α=1)
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Error boundaries for mode II stress intensity factor of two percent and four percent for (α=1) for the reference solution (2). Combinations (a/W,b1/W) lying above a boundary have smaller error.
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Role of α=(b2−b1)/W in error of the reference solution (2) for b1/W=1.4 and c/W=0.2

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