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- Title
Modelling of crack surface interference under cyclic shear loads.
- Authors
Yu; Abel
- Abstract
Crack surface interference under cyclic shear loads is studied by an analytical method. The proposed model simulates the effects arising from both the residual stresses and the asperity interactions. A closed-form and a discrete approach are presented in obtaining the crack surface interference solutions. Backlashes of shear displacements, peeling or group sliding behaviours and induced cyclic mode I stress intensities are predicted under three configurations of residual stress distributions. The effects of a static mode I load, the facet angle and the frictional angle are also analysed. The predicted relationship between the effective shear mode stress intensity range and the R-ratio is discussed together with the experimentally observed ‘contrasting’ R effects.
- Subjects
STRAINS &; stresses (Mechanics); SHEAR (Mechanics); RESIDUAL stresses
- Publication
Fatigue & Fracture of Engineering Materials & Structures, 1999, Vol 22, Issue 3, p205
- ISSN
8756-758X
- Publication type
Article
- DOI
10.1046/j.1460-2695.1999.00152.x