Elastic-Plastic Fracture Mechanics Analysis of Fatigue Crack Growth

MH El Haddad; B Mukherjee

doi:10.1520/STP36793S

SYMPOSIA PAPER Published: 01 January 1983

STP36793S

Elastic-Plastic Fracture Mechanics Analysis of Fatigue Crack Growth

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Fatigue crack growth rate data are obtained for ASTM A516 Grade 70 steel subjected to elastic and elastic-plastic cyclic loading for both load-controlled and displacement-controlled test conditions. Cyclic J-integral values estimated from load versus deflection hysteresis loops and crack closure estimates are correlated with growth rate data. The cyclic J-crack growth rate data agree well with that from the linear elastic tests. The J-integral parameter is shown to be better than the linear elastic parameter K in correlating fatigue crack growth, particularly so in ductile materials such as A516 steel and at high load levels.

Author Information

El Haddad, MH

Cairo University, Giza, Cairo, Egypt

Mukherjee, B

Fracture Mechanics, Ontario Hydro Research, Toronto, Ont., Canada

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Details

Developed by Committee: E08

Pages: 689–707

DOI: 10.1520/STP36793S

ISBN-EB: 978-0-8031-4870-3

ISBN-13: 978-0-8031-0726-7

Elastic-Plastic Fracture Mechanics Analysis of Fatigue Crack Growth

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