A ternary linear compound T2 and its phase equilibrium relationships in Mg-Zn-Nd system at 400°C

被引：19
|
作者：
Huang, M. L. [1 ,2 ]
Li, H. X. [1 ]
Ding, H. [1 ]
Tang, Z. Y. [1 ]
Mei, R. B. [1 ,2 ]
Zhou, H. T. [1 ,2 ]
Ren, R. P. [1 ]
Hao, S. M. [1 ]
机构：
[1] Northeastern Univ, Sch Met & Mat, Shenyang 110004, Liaoning, Peoples R China
[2] Northeastern Univ, Dept Mat Sci & Engn, Qinhuangdao 066004, Peoples R China
来源：
JOURNAL OF ALLOYS AND COMPOUNDS | 2010年 / 489卷 / 02期
基金：
中国国家自然科学基金;
关键词：
Mg-Zn-Nd system; Ternary linear compound; T-2; phase; Crystal structure; Phase equilibrium; MECHANICAL-PROPERTIES; AS-CAST; MICROSTRUCTURE; ALLOY;
D O I：
10.1016/j.jallcom.2009.09.131
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 composition and the crystal structure of the phases in the alloys of Mg-Zn-Nd system at 400 degrees C have been studied by scanning electron microscopy (SEM), electron probe microanalysis (EPMA), Xray diffraction (XRD) and selected area electron diffraction (SAED) of transmission electron microscopy (TEM). The phase equilibrium relationships have been identified. As a result, a linear ternary compound T-2 phase has been identified. The general chemical formula of T-2 phase is (Mg, Zn)(11.5)Nd and the crystal structure of that is C-centered orthorhombic. As the results, the other three ternary compounds T, phase, T-3 phase and T-4 phase have also been identified. The partial isothermal section of phase diagram of Mg-Zn-Nd system at 400 degrees C has been established. (C) 2009 Elsevier B.V. All rights reserved.
引用
收藏
页码：620 / 625
页数：6
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