Calculating of diffusion profiles in ternary systems using effective interdiffusion coefficients of components

被引：1
|
作者：
机构：
[1] Institute of Mathematics and Natural Sciences, Tallinn University, 10120 Tallinn
来源：
| 1600年 / Trans Tech Publications Ltd卷 / 333期
关键词：
Diffusion paths; Interdiffusion coefficients; Ternary system;
D O I：
10.4028/www.scientific.net/DDF.333.73
中图分类号：
学科分类号：
摘要：
A method has been developed for calculating diffusion profiles in ternary systems by using effective interdiffusion coefficients of components and Boltzmann's solution for diffusion equation with variable diffusion coefficient. Using this method the concentration profiles for several diffusion couples in the systems Fe-Co-Ni and Cu-Fe-Ni are calculated as examples and some peculiarities of these calculations are discussed, particularly, how to solve some possible difficulties, which may sometimes arise at calculation procedures. It is shown that having the data on effective interdiffusion coefficients and their concentration dependence for at least two components in a ternary diffusion couple, the concentration profiles for all three components can be calculated with good accuracy. © (2013) Trans Tech Publications, Switzerland.
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页码：73 / 82
页数：9
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