Abstract:A series of strain fatigue tests were carried out on small bugle-like slice-specimens of
Zr-4 alloy at 20 and 400. According to Elastic and Plastic Finite Element Analysis
and assumption of local damage equivalence, a strain formula was given to transform transverse
strain of the specimen to uniaxial strain. Based on the test results of the alloy and the strain transform
formula, M-C (Manson-Coffin) models to be used for estimating uniaxial fatigue life of Zr-4
alloy were obtained. The results show that, the … Show more
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