Title

Determination Of Average Ternary Interdiffusion Coefficients Using Moments Of Interdiffusion Flux And Concentration Profiles

Keywords

Diffusion couples; Interdiffusion coefficients; Ternary alloys

Abstract

We developed a method of rigorous solution of the Onsager's flow equations using moments of the interdiffusion-parameter integrands for the determination of average ternary interdiffusion coefficients. The analysis developed by Dayananda and Sohn [1] is the basis for this refined approach. Average main and cross interdiffusion coefficients are determined over selected regions in the diffusion zone using the diffusion-distance moments of the interdiffusion flux flow equations. Thermodynamic stability of solid solutions in the light of interdiffusion phenomenon is taken as validation criteria to identify accurate and reliable values of the ternary interdiffusion coefficients. Regulations are proposed for successful application of the analysis method to various ternary diffusion couples in Ni- and Fe-based intermetallics. © (2010) Trans Tech Publications.

Publication Date

1-1-2010

Publication Title

Defect and Diffusion Forum

Volume

297-301

Number of Pages

1328-1333

Document Type

Article; Proceedings Paper

Personal Identifier

scopus

DOI Link

https://doi.org/10.4028/www.scientific.net/DDF.297-301.1328

Socpus ID

77952263538 (Scopus)

Source API URL

https://api.elsevier.com/content/abstract/scopus_id/77952263538

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