Comparison of multiaxial fatigue damage models under variable amplitude loading

被引:23
|
作者
Chen, Hong [1 ]
Shang, De-Guang [1 ]
Tian, Yu-Jie [1 ]
Liu, Jian-Zhong [2 ]
机构
[1] Beijing Univ Technol, Coll Mech Engn & Appl Elect Technol, Beijing 100124, Peoples R China
[2] Beijing Inst Aeronaut Mat, Beijing 100095, Peoples R China
基金
中国国家自然科学基金;
关键词
Multiaxial fatigue; Life prediction; Variable amplitude loading; Critical plane; CRITICAL PLANE APPROACH; LIFE PREDICTION; PARAMETER; PHASE;
D O I
10.1007/s12206-012-0872-y
中图分类号
TH [机械、仪表工业];
学科分类号
0802 ;
摘要
Based on the cycle counting method of Wang and Brown and on the linear accumulation damage rule of Miner, four multiaxial fatigue damage models without any weight factors proposed by Pan et al., Varvani-Farahani, Shang and Wang, and Shang et al. are used to compute fatigue damage. The procedure is evaluated using the low cycle fatigue experimental data of 7050-T7451 aluminum alloy and En15R steel under tension/torsion variable amplitude loading. The results reveal that the procedure is convenient for engineering design and application, and that the four multiaxial fatigue damage models provide good life estimates.
引用
收藏
页码:3439 / 3446
页数:8
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