Experimental investigation of phase equilibria in Ge-Ni-Ti system

被引：8
作者：
Xie, Z. Y. [1 ]
Lv, K. L. [1 ]
Luo, Y. H. [1 ]
Liu, H. S. [1 ]
Jin, Z. P. [1 ]
机构：
[1] Cent South Univ, Sch Mat Sci & Engn, Changsha 410083, Hunan, Peoples R China
来源：
JOURNAL OF ALLOYS AND COMPOUNDS | 2015年 / 645卷
关键词：
Ge-Ni-Ti alloy; Ternary system; Phase diagram; Isothermal section; Microstructure; TRANSFORMATION; TEMPERATURES; GERMANIUM; ALLOYS;
D O I：
10.1016/j.jallcom.2015.05.104
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：
Phase relations in the Ge-Ni-Ti ternary system have been studied through alloy sampling assisted with electron probe microanalysis (EPMA), and X-ray diffraction (XRD) techniques. The binary phase GeTi3 was confirmed to exist stably at 973 K and two new ternary phases, tau(1) and tau(2), were detected, of which only tau(1) can be stable up to 1073 K. In light of the characterized phases in the annealed alloys, isothermal sections of the Ge-Ni-Ti system were constructed, which consist of 22 and 21 three-phase regions at 973 and 1073 K, respectively. In addition, Ti can substitute for about 14 at.% Ge in beta(Ge,Ti)Ni-3. (C) 2015 Elsevier B.V. All rights reserved.
引用
收藏
页码：344 / 351
页数：8
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