Strain Concentration Calculation of Fatigue

[+] Author and Article Information
Y. Lin

Department of Mechanical Engineering, East China University of Chemical Technology, Shanghai, 200237, People’s Republic of China

E. Lin

BITA Engineering Consultants, Inc., P.O. Box 239, Berkeley, CA 94701–0239

M. Ling

Information Processing System, 1836 Cabrillo Ave., Santa Clara, CA 95050

J. Eng. Mater. Technol 117(2), 179-182 (Apr 01, 1995) (4 pages) doi:10.1115/1.2804527 History: Received October 19, 1992; Revised July 11, 1994; Online November 27, 2007


On the basis of the authors’ rule of sliding to transform elastic solution to plastic in a previous paper, a new method of calculating fatigue is developed by using ordinary relaxation methods in conjunction to take care of the gradual enlarging of the plastic zone. The results of the calculations agree with the experimental data by the fine grid method. The calculation method developed here with the authors’ crack propagation prediction method in another previous paper lead to an interpretation of fatigue mechanism.

Copyright © 1995 by The American Society of Mechanical Engineers
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