Mode I Fatigue Crack Growth Under Biaxial Stress at Room and Elevated Temperature
- 1 January 1985
- book chapter
- Published by ASTM International
- p. 135-152
- https://doi.org/10.1520/stp36221s
Abstract
Fatigue crack growth rates have been measured in different biaxial stress fields for a variety of stress ranges at two temperatures. It is shown that a negative T-stress accelerates the crack propagation, the increase in growth rate being greater for high stresses. Different methods of determining plastic zone size are compared, and a crack growth correlation with crack-tip plasticity is proposed for remote loads not greater than the yield stress.Keywords
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