期刊
INTERNATIONAL JOURNAL OF FATIGUE
卷 61, 期 -, 页码 21-27出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.ijfatigue.2013.11.026
关键词
Life modeling; Single crystal; Low cycle fatigue; Anisotropic; Hill parameters
资金
- National Natural Science Foundation of China [51341001]
Strain-controlled low cycle fatigue (LCF) experiments of a second generation single crystal (SC) nickel-base superalloy are carried out to investigate the effect of crystallographic orientations on its LCF life. Further, the life modeling of the SC superalloy is considered by employing the modified Mucke's anisotropic model. The results show that the LCF life of the SC superalloy has a strong crystallographic orientation dependence; the local strain approach fails to predict the fatigue life but the modified Mucke's anisotropic model is able to predict the fatigue life for the SC superalloy at the three characteristic orientations simultaneously. (C) 2013 Elsevier Ltd. All rights reserved.
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