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Vacancy wind effect on interdiffusion in a dilute Cu(Sn) solid solution

Santra, Sangeeta and Paul, Aloke (2012) Vacancy wind effect on interdiffusion in a dilute Cu(Sn) solid solution. In: PHILOSOPHICAL MAGAZINE LETTERS, 92 (8). pp. 373-383.

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Official URL: http://dx.doi.org/10.1080/09500839.2012.682169

Abstract

A study has been conducted on a Cu(Sn) solid solution to examine the role of the vacancy wind effect on interdiffusion. First, the interdiffusion and the intrinsic diffusion coefficients are calculated. The trend of the interdiffusion coefficients is explained with the help of the driving force. Following this, the tracer diffusion coefficients of the species are calculated with and without consideration of the vacancy wind effect. We found that the role of the vacancy wind is negligible on the minor element in a dilute solid solution, which is the faster diffusing species in this system and controls the interdiffusion process. However, consideration of this effect is important to understand the diffusion rate of the major element, which is the slower diffusing species in this system.

Item Type: Journal Article
Additional Information: Copy right for this article belongs to Taylor & Francis
Keywords: diffusion coefficients;vacancy wind effect;Cu(Sn) solid solutions;interdiffusion
Department/Centre: Division of Mechanical Sciences > Materials Engineering (formerly Metallurgy)
Date Deposited: 06 Aug 2012 07:29
Last Modified: 06 Aug 2012 07:29
URI: http://eprints.iisc.ernet.in/id/eprint/44933

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