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- Title
Elastic behavior of an edge dislocation inside the nanoscale coating layer.
- Authors
Liu, Y.; Zhao, Y.; Wen, P.; Lin, S.
- Abstract
The problem of an edge dislocation inside the nanoscale coating layer accounting for the interface effects is addressed. By combining the sectionally holomorphic function, Laurent series expansion techniques and the complex variable function method, the stress fields in the coating layer and the image force acting on the edge dislocation are derived analytically. The results indicate that an additional repulsive force or attractive force will act on the edge dislocation for considering the interface effects, and there exists more than one stable (unstable) dislocation equilibrium point. The material elastic dissimilarity, the coating thickness, the interface stress as well as the relative position of the dislocation have great influence on the force acting on the edge dislocation in the coating layer. The present solutions contain previously several known results, which can be shown to be special cases.
- Subjects
ELASTICITY; DISLOCATIONS in crystals; NANOELECTRONICS; SURFACE coatings; INTERFACES (Physical sciences); LAURENT series; STRAINS &; stresses (Mechanics)
- Publication
Acta Mechanica, 2012, Vol 223, Issue 9, p1917
- ISSN
0001-5970
- Publication type
Article
- DOI
10.1007/s00707-012-0689-x