Isothermal Section of the Ti-Nb-Sn Ternary System at 700 A°C

被引：8
作者：
Wang, J. L. [1 ,2 ]
Liu, L. B. [1 ]
Zhang, X. D. [1 ]
Bai, W. M. [1 ]
Chen, C. P. [1 ]
机构：
[1] Cent S Univ, Sch Mat Sci & Engn, Changsha 410083, Hunan, Peoples R China
[2] Hunan Univ Technol, Sch Met Engn, Zhuzhou 412007, Hunan, Peoples R China
来源：
JOURNAL OF PHASE EQUILIBRIA AND DIFFUSION | 2014年 / 35卷 / 03期
基金：
中国国家自然科学基金;
关键词：
isothermal section; phase diagram; Ti-Nb-Sn system; THERMODYNAMIC ASSESSMENT; BEHAVIOR;
D O I：
10.1007/s11669-014-0295-9
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
The phase equilibrium of annealed Ti-Nb-Sn alloys was investigated by means of x-ray diffraction, scanning electron microscopy and electron probe microanalysis. Isothermal section of the Ti-Nb-Sn ternary system below 50 at.% Sn at 700 A degrees C was constructed according to the examinational analysis. The compositions of alpha-Ti, beta(Ti, Nb), Ti3Sn, Nb3Sn and Ti3Nb3Sn2 were confirmed. The solubility of Sn in beta(Ti, Nb) region reaches up to 9.2 at.%, which is a relative large solubility, and that in alpha-Ti is small. The solubility in Ti3Sn reaches up to 14.9 at.% Nb, and that of Nb3Sn is 21.5 at.% Ti. The solubility range of Nb and Sn in Ti3Nb3Sn2 is approximately 26.2-39.5 and 22.6-26.6 at.%, respectively.
引用
收藏
页码：223 / 231
页数：9
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