Role of elastic anharmonicity in dislocation patterning

István Groma, Péter Dusán Ispánovity

Research output: Contribution to journalArticle

2 Citations (Scopus)

Abstract

Understanding the formation of persistent slip bands is a long standing challenge of dislocation theory. In this paper, we present a two-dimensional continuum theory of dislocations in which elastic anharmonicity effects are taken into account. It is shown that in contrast with the continuum theory based on linear elasticity, incorporating a nonlinear elastic energy term may lead to the instability of the homogeneous dislocation distribution.

Original languageEnglish
Article number054120
JournalPhysical Review B - Condensed Matter and Materials Physics
Volume76
Issue number5
DOIs
Publication statusPublished - Aug 20 2007

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics

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