Surface Reaction of TiAl with Water Vapor and Oxygen

材料科学技术（英文）, 2003, 19(4): 334-336.

^1, , ^2, , ^3,

1.Institute of Materials, Shanghai University, Shanghai 200072, China

2.Institute of Materials, Shanghai University, Shanghai 200072, China

3.Shanghai Iron and Steel Research Institute, Shanghai 200940, China

基金项目: This research was sponsored by the National Natural Science Foundation of China under Contract(59771007) 国家自然科学基金(59895157)

Surface Reaction of TiAl with Water Vapor and Oxygen

Keywords： Surface reaction

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 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.

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Surface Reaction of TiAl with Water Vapor and Oxygen

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