期刊
MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING
卷 527, 期 16-17, 页码 3848-3851出版社
ELSEVIER SCIENCE SA
DOI: 10.1016/j.msea.2010.02.062
关键词
Low cycle Fatigue; Ni-based superalloy; Cyclic hardening
In low cycle fatigue deformation of Hastelloy X, a unique dual-slope linear cyclic hardening is observed, with transition region in between, followed by non-linear hardening till failure. Though both temperature and accumulated strain can enhance the carbide precipitation, interestingly it is observed that transition region is found to be more sensitive to change in applied strain amplitude rather than changes in temperature. (C) 2010 Elsevier B.V. All rights reserved.
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