Optimum balance between strength and ductility for fatigue properties
Journal Article
·
· Engineering Fracture Mechanics
OSTI ID:53414
- Xi`an Jiaotong Univ, Shaanxi Province (China)
By means of the fatigue crack equivalent stress-strain model indicated with macro-strength and micro-ductility, the relations between the fatigue behavior and strength or ductility are derived. The results show that a condition of optimum balance between strength and ductility is the product maximum of macro-strength and micro-ductility, which is applicable for the determination of the fatigue threshold, fatigue crack propagation rate, fatigue limit of a notched specimen, as well as the number of stress cycles to initiate a fatigue crack. 13 refs.
- OSTI ID:
- 53414
- Journal Information:
- Engineering Fracture Mechanics, Journal Name: Engineering Fracture Mechanics Journal Issue: 3 Vol. 48; ISSN 0013-7944; ISSN EFMEAH
- Country of Publication:
- United States
- Language:
- English
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