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HomeDiffusion FoundationsDiffusion Foundations Vol. 29Novel Interdiffusion Analysis in Multicomponent...

Novel Interdiffusion Analysis in Multicomponent Alloys - Part 1: Application to Ternary Alloys

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Abstract:

A novel study of interdiffusion analysis in multicomponent alloys is presented. A custom written Matlab fitting program (MFP) is used as the main tool for the present study. The interdiffusion matrices are obtained using a newly developed mathematical approach based on the fitting into the closed form solution for the composition profiles. Overall, the new fitting method gives very good outcomes and allows the probing of multiple solutions (validated by back tests) that exist when a single diffusion couple is used in a multicomponent system. An important finding of the present investigations is that small differences in composition profiles may lead to large differences in the interdiffusion coefficients.

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Periodical:

Diffusion Foundations (Volume 29)

Pages:

161-177

DOI:

https://doi.org/10.4028/www.scientific.net/DF.29.161

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Online since:

April 2021

Authors:

Mohammad Afikuzzaman, Irina V. Belova, Graeme E. Murch*

Keywords:

Interdiffusion, Ternary Alloys, Theory

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