Assessment of the diffusional mobilities in the face-centred cubic Ag-Zn alloys

被引：6
|
作者：
Liu, X. J. [1 ]
Shangguan, N.
Wang, C. P.
机构：
[1] Xiamen Univ, Dept Mat Sci & Engn, Coll Mat, Xiamen 361005, Peoples R China
来源：
CALPHAD-COMPUTER COUPLING OF PHASE DIAGRAMS AND THERMOCHEMISTRY | 2011年 / 35卷 / 02期
基金：
中国国家自然科学基金;
关键词：
Ag-Zn alloys; Atomic mobility; Diffusion coefficient; CALPHAD; DICTRA; ZINC; COEFFICIENT; CARBON;
D O I：
10.1016/j.calphad.2010.12.007
中图分类号：
O414.1 [热力学];
学科分类号：
摘要：
Based on the available thermodynamic information and diffusion coefficient data of the Ag-Zn binary system, the atomic mobilities of Ag and Zn in face-centred cubic (fcc) Ag-Zn alloys have been assessed as a function of temperature and composition in terms of the CALPHAD method using the DICTRA software package. Optimized mobility parameters are presented. Comparisons between the calculated and measured diffusion coefficients show that most of the experimental information can be satisfactorily reproduced in the present work. The obtained mobility parameters can also predict reasonable concentration profiles of the diffusion zone in the binary Ag-Zn diffusion couples. (C) 2011 Elsevier Ltd. All rights reserved.
引用
收藏
页码：155 / 159
页数：5
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