SYMPOSIA PAPER Published: 01 January 1985
STP34262S

A Similitude Criterion for Fatigue Crack Growth Modeling

Source

Instead of the stress intensity factor, the crack tip plastic strain range is proposed as a similitude parameter and as a basis for fatigue crack growth analysis. Quantitative analytical evaluation shows that an effective stress intensity that accounts for differences in crack tip plastic strain range can be rationally derived and used to account for the fatigue crack threshold, certain small crack behavior, and retardation.

Author Information

Broek, D
Fracturesearch Inc., Columbus, OH
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Details
Developed by Committee: E08
Pages: 347–360
DOI: 10.1520/STP34262S
ISBN-EB: 978-0-8031-4933-5
ISBN-13: 978-0-8031-0225-5