1990•physica status solidi (a)Requires access

Diffusion Along Moving Grain Boundaries

Jan Čermák

Abstract

By means of computer simulation the conditions are studied under which LeClaire's method of triple product, sδDb, evaluation could be applied to diffusion along moving grain boundaries too. Here, s, δ, and Db are the segregation factor, the grain boundary width, and the grain boundary diffusion coefficient, respectively. Theoretical results are compared with experimental data on diffusion of 63Ni in austenitic FeNiCr alloys at 1273 K.

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Key concepts: Grain boundary, Grain boundary diffusion coefficient, Diffusion, Effective diffusion coefficient, Metallurgy, Chemistry, Die (integrated circuit), Materials science