期刊
PHILOSOPHICAL MAGAZINE
卷 88, 期 10, 页码 1555-1567出版社
TAYLOR & FRANCIS LTD
DOI: 10.1080/14786430802235796
关键词
equilibrium shape of precipitate; dislocation; elastic field; Monte Carlo
类别
资金
- CEA, Arcelor, CNRS and Pechincy-Alcan
The shape of a coherent non-misfitting FeC precipitate formed from Solute atoms that interact with a dislocation stress field was studied using kinetic Monte Carlo simulation oil a rigid lattice. The system Studied is a model for binary alloys with an interstitial alloying element similar to Fe-C. The interaction with the dislocation comprises both a short-range chemical term and a long-range deformation field. The effect of each of these terms oil precipitate shapes for different C supersaturations was investigated. A simple analytical model is proposed to rationalize the results obtained in the atomistic simulations.
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