SYMPOSIA PAPER Published: 01 January 1990
STP19008S

Comparison of Elastic-Plastic Fracture Mechanics Techniques

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The first part of this paper reviews the adequacy of simple estimation procedures for predicting the crack growth and failure behavior of cracked structures. These simple methods include: J-estimation schemes (where five different schemes are presented including two new methods), the R6 approach, and the VR-curve technique. The second part of the paper discusses methods for predicting elastic-plastic fracture under conditions where the simple schemes are not applicable. This includes a discussion of integral parameters, mainly focusing on the T*-integral, and the local (or damage) based approaches. These two approaches are required where the degradation near a crack tip depends on the history of damage accumulation.

Author Information

Brust, FW
Battelle Columbus Division, Columbus, OH
Nakagaki, M
Kyushu Institute of Technology, Iizuka-City, Japan
Gilles, P
Framatome, Paris, France
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Details
Developed by Committee: E08
Pages: 448–469
DOI: 10.1520/STP19008S
ISBN-EB: 978-0-8031-5134-5
ISBN-13: 978-0-8031-1299-5