Small shallow surface (Case A) cracks in power-law strain hardening materials are investigated under plane stress, general yielding, and mixed mode I and II conditions by finite element analyses. The trend of constant J contours on the โซ-plane for Case A cracks from the computational results compare
Effects of mean stresses on multiaxial fatigue life prediction based on fracture mechanics
โ Scribed by J. Pan; T. Nicholas
- Book ID
- 108401153
- Publisher
- Elsevier Science
- Year
- 2001
- Tongue
- English
- Weight
- 124 KB
- Volume
- 23
- Category
- Article
- ISSN
- 0142-1123
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Al&net-Fatigue life predictions for notched members are made using local strain and elastic-plastic fracture mechanics concepts. Crack growth from notches is characterized by J-integral estimates made for short and long cracks. The local notch strain field is determined by notch geometry, applied st
## Abstract It is assumed that the plane in which the maximum variance of the equivalent stress appears is critical for a material and the fatigue fracture should be expected in this plane. The equivalent stress is calculated according to the fatigue criterion of maximum shear and normal stresses i