Competition between Kirkendall and Frenkel effects during multicomponent interdiffusion process

Bartek Wierzba

Physica A: Statistical Mechanics and its Applications, 2014, vol. 403, issue C, 29-34

Abstract: In this work the competition between Kirkendall effect caused by intrinsic diffusion coefficients and vacancy generation and evolution is discussed. The proposed approach is based on the bi-velocity (Darken) approach which combines the Darken and Brenner concepts that the volume velocity is essential in defining the local material velocity at non-equilibrium. The model is formulated for arbitrary systems however for discussion only the binary system is presented. The distributions of (1) components, (2) vacancy and (3) voids radius over the distance are presented.

Keywords: Interdiffusion; Voids; Vacancies; Frenkel effect; Kirkendall effect (search for similar items in EconPapers)
Date: 2014
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Citations: View citations in EconPapers (2)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:phsmap:v:403:y:2014:i:c:p:29-34

DOI: 10.1016/j.physa.2014.02.014

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