SYMPOSIA PAPER Published: 01 January 1970
STP32032S

The Effect of Stress Ratio During Crack Propagation and Fatigue for 2024-T3 and 7075-T6 Aluminum

Source

An effective stress, σ¯ = σmax1-mΔσm where m is assumed to be a material constant, is shown to predict the effect of stress ratio on crack propagation and fatigue life for two aluminum alloys. Simple approximations of notch stress and strain using Neuber's notch rule are introduced to extend the predictions of stress-ratio effects to inelastic notch behavior.

Author Information

Walker, K
Physical Sciences Laboratory, Lockheed-California Company, Burbank, Calif.
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Details
Developed by Committee: E08
Pages: 1–14
DOI: 10.1520/STP32032S
ISBN-EB: 978-0-8031-4584-9
ISBN-13: 978-0-8031-0032-9