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- Title
Comparison of multiaxial fatigue damage models under variable amplitude loading.
- Authors
Chen, Hong; Shang, De-Guang; Tian, Yu-Jie; Liu, Jian-Zhong
- Abstract
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.
- Subjects
DAMAGE models; FRACTURE mechanics; MATHEMATICAL variables; MECHANICAL loads; TORSION; ALUMINUM alloys; MATERIAL fatigue
- Publication
Journal of Mechanical Science & Technology, 2012, Vol 26, Issue 11, p3439
- ISSN
1738-494X
- Publication type
Article
- DOI
10.1007/s12206-012-0872-y