A Comparison of the Strains Due to Edge Cracks and Cuts of Finite Width With Applications to Residual Stress Measurement

[+] Author and Article Information
W. Cheng, I. Finnie

Department of Mechanical Engineering, University of California, Berkeley, CA 94720

J. Eng. Mater. Technol 115(2), 220-226 (Apr 01, 1993) (7 pages) doi:10.1115/1.2904210 History: Received March 01, 1992; Revised December 04, 1992; Online April 29, 2008


The strains on the surface near a loaded crack or cut are compared for cuts of different width to depth ratios. General solutions are obtained for an arbitrary distribution of normal and shear tractions on the faces of the crack or cut. Numerical results are presented for normal stress distributions which vary with distance from the surface as power functions of zero to third order. The results are useful for measurement of near surface residual stresses and should also be of value for crack compliance measurements of stress intensity factors.

Copyright © 1993 by The American Society of Mechanical Engineers
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