Fatigue Failure Criteria for Unidirectional Fiber Composites

[+] Author and Article Information
Z. Hashin

Department of Solid Mechanics, Materials and Structures, Tel Aviv University, Ramat-Aviv, Tel Aviv 69978, Israel

J. Appl. Mech 48(4), 846-852 (Dec 01, 1981) (7 pages) doi:10.1115/1.3157744 History: Received September 01, 1980; Revised January 01, 1981; Online July 21, 2009


Three-dimensional fatigue failure criteria for unidirectional fiber composites under states of cyclic stress are established in terms of quadratic stress polynomials which are expressed in terms of the transversely isotropic invariants of the cyclic stress. Two distinct fatigue failure modes, fiber mode, and matrix mode, are modeled separately. Material information needed for the failure criteria are the S-N curves for single stress components. A preliminary approach to incorporate scatter into the failure criteria is presented.

Copyright © 1981 by ASME
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