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Effect of differential diffusivity on precipitate growth in ternary two-phase alloys: a phase field study

Bhaskar, M S (2017) Effect of differential diffusivity on precipitate growth in ternary two-phase alloys: a phase field study. In: PHILOSOPHICAL MAGAZINE, 97 (19, A). pp. 1610-1627.

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Official URL: http://dx.doi.org/10.1080/14786435.2017.1311430

Abstract

At equilibrium, ternary two-phase alloys have a single degree of freedom at a given temperature according to Gibbs Phase Rule. This feature manifests itself during precipitate growth in an interesting way. A difference in diffusivities of solute elements can lead to a difference in their fluxes and hence a different local equilibrium at the interface compared to the situation of both the solutes having equal diffusivities. We have studied the effect of diffusivity ratio (D-BB:D-CC) on the precipitate growth kinetics in the scaling regime and choice of local equilibrium at the interface during growth in scaling regime using our phase field model.

Item Type: Journal Article
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Additional Information: Copy right for this article belongs to the TAYLOR & FRANCIS LTD, 2-4 PARK SQUARE, MILTON PARK, ABINGDON OR14 4RN, OXON, ENGLAND
Department/Centre: Others
Date Deposited: 10 Jun 2017 04:40
Last Modified: 10 Jun 2017 04:40
URI: http://eprints.iisc.ernet.in/id/eprint/57186

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