SYMPOSIA PAPER Published: 01 January 1976
STP33940S

Fatigue Crack Growth During Gross Plasticity and the J-Integral

Source

An attempt is made to apply the J-integral concept as an elastic-plastic criterion for fatigue crack growth. Compact tension fracture specimens of A533B steel are subjected to gross cyclic plastic deformations, and fatigue crack growth rates up to 0.01 in./cycle are obtained. The results show correlation with J-integral values estimated from load versus deflection hysteresis loops. Also, agreement is obtained with the extrapolation of linear elastic fatigue crack growth rate data.

Author Information

Dowling, NE
Westinghouse Research Laboratories, Pittsburgh, Pa.
Begley, JA
Westinghouse Research Laboratories, Pittsburgh, Pa.
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Details
Developed by Committee: E08
Pages: 82–103
DOI: 10.1520/STP33940S
ISBN-EB: 978-0-8031-4669-3
ISBN-13: 978-0-8031-0509-6