Effect of tungsten addition on microstructure and mechanical properties of TiAl-based alloy

被引：0
|
作者：
Sun, Hongliang [1 ]
Huang, Zewen [1 ]
Zhu, Degui [1 ]
机构：
[1] Southwest Jiaotong Univ, Minist Educ, Key Lab Adv Technol Mat, Chengdu 610031, Peoples R China
来源：
APPLIED MECHANICS AND MATERIALS I, PTS 1-3 | 2013年 / 275-277卷
关键词：
TiAl-based alloy; tungsten; microstructure; mechanical properties; ALPHA(2)+GAMMA TITANIUM ALUMINIDES; SEGREGATION;
D O I：
10.4028/www.scientific.net/AMM.275-277.1884
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The effect of different tungsten addition on microstructure and mechanical property of TiAl-based alloy was investigated. The results indicate that the size and amount of beta (B-2) phase and equiaxed gamma phase gradually increase with increasing content of tungsten. The grain size and lamellar spacing obey a parabolic law. The tungsten addition can increase the room temperature strength, high temperature strength but have a little effect on the ductility. The creep rupture life has inverse correlation relationship with the content of tungsten.
引用
收藏
页码：1884 / 1889
页数：6
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