Stress-Intensity Factors for a Surface Crack in a Finite Solid

[+] Author and Article Information
R. W. Thresher

Department of Mechanical Engineering, Oregon State University, Corvallis, Ore.

F. W. Smith

Department of Mechanical Engineering, Colorado State University, Fort Collins, Colo.

J. Appl. Mech 39(1), 195-200 (Mar 01, 1972) (6 pages) doi:10.1115/1.3422611 History: Received September 09, 1970; Revised January 06, 1971; Online July 12, 2010


A solution to the problem of a circular crack partially embedded in a solid of finite thickness is presented. A superposition and iteration technique is used to determine the stress-intensity factor numerically. The stress-intensity factor is determined as a function of position around the crack front for a variety of crack depths. The results of this study are compared with experimental data for a semielliptical surface flaw in a brittle material.

Copyright © 1972 by ASME
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