The mode-I crack growth behavior of geometrically similar edge-cracked single crystal specimens of varying size subject to both monotonic and cyclic axial loading is analyzed using discrete dislocation dynamics. Plastic deformation is modeled through the motion of edge dislocations in an elastic sol
β¦ LIBER β¦
Discrete dislocation plasticity and crack tip fields in single crystals
β Scribed by E. Van der Giessen; V.S. Deshpande; H.H.M. Cleveringa; A. Needleman
- Book ID
- 108358630
- Publisher
- Elsevier Science
- Year
- 2001
- Tongue
- English
- Weight
- 576 KB
- Volume
- 49
- Category
- Article
- ISSN
- 0022-5096
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For a crack in an elastic-perfectly plastic crystal, there exist more than one asymptotic stress field around the crack tip. The condition governing which field occurs cannot be determined by the asymptotic fields, but depends on external loading conditions. For a plane-strain tensile crack in the (