Regression Models for the Effect of Stress Ratio on Fatigue Crack Growth Rate

B Mukherjee; DJ Burns

doi:10.1520/STP35404S

SYMPOSIA PAPER Published: 01 January 1972

STP35404S

Regression Models for the Effect of Stress Ratio on Fatigue Crack Growth Rate

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Regression models, based on linear elastic fracture mechanics, are used to interpret the effect of stress ratio on fatigue crack growth rate in 7075-T6 aluminum alloy. It is shown that fatigue crack growth rate can be related to range and maximum values of stress-intensity factor. Statistical techniques are used to examine the error which may accumulate when regression equations are used to predict crack growth versus cycles curves.

Author Information

Mukherjee, B

University of Waterloo, Ont., Canada

Burns, DJ

University of Waterloo, Ont., Canada

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Details

Developed by Committee: E08

Pages: 43–60

DOI: 10.1520/STP35404S

ISBN-EB: 978-0-8031-4614-3

ISBN-13: 978-0-8031-0103-6

Regression Models for the Effect of Stress Ratio on Fatigue Crack Growth Rate

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