Phase Field Methods and Dislocations

Details Phase Field Methods and Dislocations Phase Field Methods and Dislocations

2001-01-16

arxiv.org/abs/cond-mat/0101239v1

Physics

Condensed Matter

Materials Science

6 pages, submitted to the Proceedings of MRS Fall 2000

Scientific paper

We present a general formalism for incorporating dislocations in Phase Field methods. This formalism is based on the elastic equivalence between a dislocation loop and a platelet inclusion of specific stress-free strain related to the loop Burgers vector and normal. Dislocations are thus treated as platelet inclusions and may be coupled dynamically to any other field such as a concentration field. The method is illustrated through the simulation of a Frank-Read source and of the shrinkage of a loop in presence of a concentration field.

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