Prediction of fatigue crack growth in notched members under variable amplitude loading histories

✍ Scribed by Darrell F. Socie

• Publisher: Elsevier Science
• Year: 1977
• Tongue: English
• Weight: 1023 KB
• Volume: 9
• Category: Article
• ISSN: 0013-7944
• DOI: 10.1016/0013-7944(77)90007-8

✦ Synopsis

Abe&&-A technique for &meting fatigue crack prope&on in notched plates subjected to variable amplitude~boutlincdinthirpeper.Ane~~~tic~~ekmcntmodelisusedtodetermiaetbe eht of notch geometry and the rehal plastic deformations. The analytic model for crack growth is based on an eactive StreSl intensity calcept. All of the calcldations are baaed on constant amplitude materials data. Results of this procedure are compared to tests on a q odiUed compact tension specimen. The program consisted of pred&ed prop&on lives for forty-five (45) tests on two structureI steels, three load histories and, at least, three maximum load levels.