Selected Analyses and Observations in Multicomponent Diffusion

Abstract:

Selected isothermal diffusion studies in ternary and quaternary systems are reviewed in order to present analytical and experimental approaches adopted for the determination of interdiffusion fluxes of components, interdiffusion coefficients, diffusional interactions among components, and internal consistency in the experimental data. Several interesting phenomena and observations including uphill diffusion, zero-flux planes and flux reversals, and double serpentine diffusion paths are illustrated with selected single phase Cu-Ni-Zn, Fe-Ni-Al and Cu-Ni-Zn-Mn diffusion couples. The main challenges involved in the experimental determination of interdiffusion data from multicomponent diffusion couples and in the application of such data are also addressed.

• Periodical: Defect and Diffusion Forum (Volumes 297-301)
• Pages: 1451-1460
• DOI: https://doi.org/10.4028/www.scientific.net/DDF.297-301.1451
• Online since: April 2010
• Authors: Mysore A. Dayananda
• Keywords: Double Serpentine Diffusion Path, Interdiffusion Coefficient, Quaternary Diffusion, Ternary Diffusion, Zero-Flux Planes

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