MICROSTRUCTURE AND PROPERTIES OF Mn-CONTAINING TiAI ALLOYS

被引：0
|
作者：
CAO Mingzhou
HAN Dong
ZHOU Jing
LI Dong Institute of Metal Research
机构：
来源：
Acta Metallurgica Sinica(English Edition) | 1990年 / 06期
关键词：
TiAl alloy; microstructure; property; twin;
D O I：
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学科分类号：
摘要：
The microstructure of Ti-33wt-％ Al-(1.6-4.5)wt-％ Mn alloys are composed ofγ+αphases,but the volume of x-phase is a little.Mn alloying decreases the latticeparameters a and c of γ-phase and the c/a ratio becomes nearly to one,because the atomicradius of Mn is less than the atomic radius of Ti or Al.Mn alloying promotes the formation oftwins in γ-phase and increases the ability of plastic deformation of TiAl alloys at room tem-perature.
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页码：442 / 445
页数：4
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