Phase stability change with Zr content in β-type Ti-Nb alloys

被引：254
作者：
Abdel-Hady, Mohamed [1 ]
Fuwa, Hiroki [1 ]
Hinoshita, Keita [1 ]
Kimura, Haruka [1 ]
Shinzato, Yoshifumi [1 ]
Morinaga, Masahiko [1 ]
机构：
[1] Nagoya Univ, Grad Sch Engn, Dept Mat Sci & Engn, Chikusa Ku, Nagoya, Aichi 4648603, Japan
来源：
SCRIPTA MATERIALIA | 2007年 / 57卷 / 11期
关键词：
phase stability; Zr-effect; beta-type Ti alloys; cohesive energy;
D O I：
10.1016/j.scriptamat.2007.08.003
中图分类号：
TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
The alloying effect of Zr on beta-phase stability was investigated in beta (body-centered cubic)-type Ti-Zr-Nb alloys. According to both calculations and experiments, the addition of Zr was found to greatly modify the beta-phase stability, because Zr worked as a beta-stabilizing element in these beta-type alloys. The (beta/(beta omega)(+alpha") phase-boundary was determined experimentally in the alloys at several Zr content levels. It was shown that the beta stabilizing effect of Zr increased with increasing content of the other beta-stabilizer element (i.e. Nb) in the alloy. (c) 2007 Acta Materialia Inc. Published by Elsevier Ltd. All rights reserved.
引用
收藏
页码：1000 / 1003
页数：4
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