Pinning of grain boundaries by deformable particles

Research output: Contribution to journalArticle

Abstract

Interaction between a grain boundary and deformable particles has been modeled. It is shown that deformable particles pin the grain boundaries more effectively than rigid spherical particles. The required driving force to unpin a grain boundary increases with decreasing the interphase energy of the deformable particle. Deformable particles also reduce the rate of grain-boundary migration more effectively than rigid spherical particles. The rate of grain boundary migration decreases with the interphase energy of the deformable particle. The model allows the shape of a deformable particle to be determined as the particle is dragged by a grain boundary. The particle shape allows prediction of the force acting on the particle.

Original languageEnglish (US)
Pages (from-to)1181-1186
Number of pages6
JournalMetallurgical Transactions A
Volume23
Issue number4
DOIs
StatePublished - Apr 1992

ASJC Scopus subject areas

  • Engineering(all)

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