A model for crack initiation in elastic/plastic indentation fields
โ Scribed by B. R. Lawn; A. G. Evans
- Publisher
- Springer
- Year
- 1977
- Tongue
- English
- Weight
- 466 KB
- Volume
- 12
- Category
- Article
- ISSN
- 0022-2461
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Mode-I crack growth in an elastic perfectly-plastic material under conditions of genera&d plane stress has been lnvestigatcd. In the plastic loading zone, near the plane of the crack, the stresses and strains have been expanded in powers of the distance, y, to the crack line. Substitution of the exp
In this paper, based on the three-dimensional flow theory of plasticity, the fundamental equations for the plane strain problem of elastic-perfectly plastic solids are presented. By using these equations the elastic-plastic fields near the crack tip growing step-by-step in an elastic incompressible-