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- Title
Changes in Grain Boundary Misorientation Caused by Emission of Dislocation Pairs.
- Authors
Gutkin, M. Yu.; Ovid’ko, I. A.; Skiba, N. V.
- Abstract
A new geometric micromechanism responsible for changes in the misorientation of grain boundaries in the course of (super)plastic deformation is proposed. According to this, the misorientation changes as a result of the motion of grain-boundary disclinations accompanied by the emission of lattice dislocation pairs. Within the framework of the proposed model, the energy characteristics of the motion of grain-boundary disclinations are calculated.
- Subjects
CRYSTAL grain boundaries; DISLOCATIONS in crystals; CRYSTAL lattices
- Publication
Technical Physics Letters, 2002, Vol 28, Issue 5, p437
- ISSN
1063-7850
- Publication type
Article
- DOI
10.1134/1.1482760