期刊
INTERNATIONAL JOURNAL OF FATIGUE
卷 133, 期 -, 页码 -出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.ijfatigue.2019.105391
关键词
Critical plane; Fatigue life; Strain-based criterion; SWT
资金
- Italian Ministry of Education, University and Research (MIUR), Research Grant PRIN 2017 [2017HFPKZY]
Uniaxial and biaxial fatigue tests related to Inconel 718 specimens are analysed using the critical plane-based multiaxial fatigue criterion by Carpinteri et al. in conjunction with a Smith-Watson-Topper (SWT) type of relationship. More precisely, specimens subjected to proportional and non-proportional loading under strain control are examined, such loadings being characterised by both zero and non-zero mean values. Fatigue life is computed through the novel formulation proposed here and compared with the experimental fatigue life in terms of number of loading cycles needed to form a surface crack whose length is equal to 1 mm.
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