Surface reaction of TiAl with water vapor and oxygen

被引：0
|
作者：
Chen, YX [1 ]
Wan, XJ
Xu, WX
机构：
[1] Shanghai Univ, Inst Mat, Shanghai 200072, Peoples R China
[2] Shanghai Iron & Steel Res Inst, Shanghai 200940, Peoples R China
来源：
JOURNAL OF MATERIALS SCIENCE & TECHNOLOGY | 2003年 / 19卷 / 04期
关键词：
surface reaction; XPS; TiAl alloy;
D O I：
暂无
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The interaction of water vapor and oxygen with TiAl-based alloy has been studied with Auger electron spectroscopy and X-ray photoelectron spectroscopy. The results indicate that both surface reactions initiate at a very short exposure (about 6 x 10(-7) Pa(.)s) and the oxides Al2O3 and TiO2 form in the surface reactions. In the oxidizing reaction, the water vapor reacts firstly with Al, and then reacts with Ti after certain exposure. The surface reaction of Al with water vapor may be responsible for the environmental embrittlement at room temperature in TiAl-based alloy.
引用
收藏
页码：334 / 336
页数：3
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