Redistribution of concentration of components during interdiffusion in Cu-Fe-Ni system

Ü Ugaste, A. Kodentsov, F.J.J. Loo, van

Research output: Contribution to journalArticleAcademicpeer-review

3 Citations (Scopus)

Abstract

Interdiffusion in a Cu–Ni–Fe system was studied at a temperature of 1000°C for three different diffusion couples. It has been shown that, in the studied diffusion couples, the distributions of some components of the system have a distinctly nonmonotonous character and, apart from the local extremes of the concentration curves, there are also zero flux planes in five diffusion zones. Special features of the behavior of theconcentration curves and diffusion paths are discussed using thermodynamic data for the system. It has been found that diffusion fluxes of the components are unambiguously associated with a derivative of thermodynamic activity by the concentration taken along the diffusion path. There are experimental data in the appendix concerning the concentration profiles for all of the studied components of the diffusion couples.
Original languageEnglish
Pages (from-to)1182-1192
JournalThe Physics of Metals and Metallography
Volume113
Issue number12
DOIs
Publication statusPublished - 2012

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