期刊
INTERNATIONAL JOURNAL OF FATIGUE
卷 112, 期 -, 页码 279-288出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.ijfatigue.2018.03.028
关键词
Multiaxial fatigue; Critical plane; Strain energy; Life prediction; Damage parameter
资金
- National Natural Science Foundation of China [11672070, 11302044]
- China Postdoctoral Science Foundation [2015M582549]
- China Postdoctoral Science Special Foundation [2017T100697]
- Fundamental Research Funds for the Central Universities [ZYGX2016J208]
- Polimi International Fellowship Grant scheme
This paper conducts a comparative evaluation on typical critical plane criteria, including Fatemi-Socie, Wang Brown, modified Smith-Watson-Topper (MSWT) and proposed modified generalized strain energy (MGSE) criteria for multiaxial fatigue analysis of ductile/brittle materials. Experimental datasets of four materials under uniaxial tension, torsion and proportional/non-proportional multiaxial loadings are introduced for model comparison. This study results indicate that criteria with additional material constants yield robust life predictions for different materials. Moreover, the criteria with shear and uniaxial fatigue properties are respectively suitable for ductile and brittle materials, particularly the MGSE superior to others for ductile/brittle materials while MSWT only for brittle materials.
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