SYMPOSIA PAPER Published: 01 January 1985
STP36221S

Mode I Fatigue Crack Growth Under Biaxial Stress at Room and Elevated Temperature

Source

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.

Author Information

Brown, MW
University of Sheffield, Sheffield, U.K.
Miller, KJ
University of Sheffield, Sheffield, U.K.
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Details
Developed by Committee: E08
Pages: 135–152
DOI: 10.1520/STP36221S
ISBN-EB: 978-0-8031-4921-2
ISBN-13: 978-0-8031-0444-0