Discussion of the Evaluating Criterion of 400°C Low Cycle Fatigue Life under Multiaxial Stress States

Wen Xiao Zhang; Guo Dong Gao; Guang Yu Mu

doi:10.4028/www.scientific.net/AMR.399-401.2199

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Discussion of the Evaluating Criterion of 400°C Low Cycle Fatigue Life under Multiaxial Stress States
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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 399-401Discussion of the Evaluating Criterion of 400°C...

Discussion of the Evaluating Criterion of 400°C Low Cycle Fatigue Life under Multiaxial Stress States

Abstract:

By the investigation of the 400°C low cycle fatigue behavior of 4 kinds of notched cylindrical specimens made 2.25Cr-1Mo stee1. The high temperature low cycle fatigue life was evaluated by the criterons of equivalent range. The results show that equivalent criterion for evaluating high temperature low cycle fatigue life has its experimental and theoretical foundation, but further investigation is still needed．