Interdiffusion and Atomic Mobility for Face-Centered-Cubic Co-Al Alloys

被引：0
|
作者：
Y.-W. Cui
B. Tang
R. Kato
R. Kainuma
K. Ishida
机构：
[1] Computational Alloy Design Group,Department of Materials Science
[2] IMDEA Materials Institute,undefined
[3] State Key Laboratory of Solidification Processing,undefined
[4] Northwestern Polytechnical University,undefined
[5] Graduate School of Engineering,undefined
[6] Tohoku University,undefined
来源：
Metallurgical and Materials Transactions A | 2011年 / 42卷
关键词：
Diffusion Couple; Interdiffusion Coefficient; Impurity Diffusivity; Atomic Mobility; Kirkendall Void;
D O I：
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中图分类号：
学科分类号：
摘要：
Interdiffusion in the face-centered-cubic (fcc) Co-Al binary alloys was studied by the diffusion-couple approach in the temperature range of 1173 K to 1573 K (900 °C to 1300 °C). Interdiffusion coefficients of the fcc Co-Al alloys were then evaluated by using the Sauer–Freise method. The effect of magnetic ordering on the Co-Al interdiffusion was observed at 1273 K (1000 °C) by examining the Arrhenius plots. The interdiffusion data were assessed to develop the atomic mobility for the fcc Co-Al alloys, and their validity was tested by simulating the diffusion-couple experiments.
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页码：2542 / 2546
页数：4
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