期刊
FATIGUE & FRACTURE OF ENGINEERING MATERIALS & STRUCTURES
卷 38, 期 4, 页码 402-409出版社
WILEY-BLACKWELL
DOI: 10.1111/ffe.12240
关键词
critical plane approach; life prediction; multiaxial fatigue; non-proportional loading; variable amplitude loading
资金
- National Defense Basic Scientific Research Project of China
Fatigue tests under variable amplitude multiaxial loading were conducted on titanium alloy TC4 tubular specimens. A method to estimate the fatigue life under variable amplitude multiaxial loading has been proposed. Multiaxial fatigue parameter based on Wu-Hu-Song approach and rainflow cycle counting and Miner-Palmgren rule were applied in this method. The capability of fatigue life prediction for the proposed method was checked against the test data of TC4 alloy under variable amplitude multiaxial loading. The prediction results are all within a factor of two scatter band of the test results.
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