New method for measurement of interdiffusion coefficient in high temperature solutions based on Fick's first law
New method for measurement of interdiffusion coefficient in high temperature solutions based on Fick's first law
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DOI：
10.1016/s0022-0248(02)01316-7
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发表时间：
2002-06-01
影响因子：
1.8
通讯作者：
Nakajima, K
中科院分区：
文献类型：
--
作者：
Ujihara, T;Fujiwara, K;Nakajima, K
提出了一种测定高温溶液互扩散系数的新方法。该方法具有三个特点：扩散池中溶液浓度的现场测量技术暂时测量扩散通量；根据Fick第一定律由通量推导出本征扩散系数；根据本征扩散系数求出互扩散系数。在实际应用中，用该方法成功地测定了GaZn二元系的互扩散系数。(C)2002 Elsevier Science B.V.保留所有权利。
We propose a new method for determination of interdiffusion coefficient in high temperature solutions. This method can be characterized by the three following facts: the flux of diffusion is temporarily measured by in situ measurement technique for solution concentration in a diffusion cell; the intrinsic diffusion coefficient is derived from the flux on a basis of Fick's first law; the interdiffusion coefficients are evaluated from the intrinsic diffusion coefficients. In practice, the interdiffusion coefficient of GaZn binary system was successfully determined using the present method. (C) 2002 Elsevier Science B.V. All rights reserved.