Equilibrium solute concentration surrounding elastically interacting precipitates

William C. Johnson*, P. W. Voorhees

*Corresponding author for this work

Research output: Contribution to journalArticle

24 Scopus citations

Abstract

Elastically induced equilibrium solute concentration profiles surrounding a single isolated precipitate and two elastically interacting precipitates are determined under the conditions of an applied shear and tensile stress, as well as an isotropic stress-free transformation strain. The self consistent open-system elastic constants approach is employed to account explicitly for the coupling between the stress and concentration fields. Substantial concentration changes are predicted near the surfaces of the particles which can sometimes exceed 50 pct. With self consistency to first-order in the concentration change, no net solute enhancement is observed surrounding isolated particles while net solute segregation is observed for elastically interacting particles.

Original languageEnglish (US)
Pages (from-to)337-347
Number of pages11
JournalMetallurgical Transactions A
Volume16
Issue number3
DOIs
StatePublished - Mar 1 1985

ASJC Scopus subject areas

  • Engineering(all)

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