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- Title
Crowdions in elasticity theory.
- Authors
Natsik, V. D.; Smirnov, S. N.
- Abstract
A crowdion, which is a defect in a crystal structure, is described within the mechanics of continuous linear elastic medium. In the continual approximation, the crowdion is defined, analogously with dislocations, as a singular “carrier” of the plastic deformation of the medium and as a source of elastic deformation. The geometric and force parameters of this singularity are associated with the characteristics of the lattice crowdion. The structure of the strain and stress fields of a crowdion in an anisotropic elastic continuum is described in the general form, and explicit expressions for these fields in an isotropic medium are derived.
- Subjects
ELASTICITY; STRENGTH of materials; STRAINS & stresses (Mechanics); MATHEMATICAL continuum; ANISOTROPY
- Publication
Crystallography Reports, 2009, Vol 54, Issue 6, p985
- ISSN
1063-7745
- Publication type
Academic Journal
- DOI
10.1134/S1063774509060133