The role of oxidation and counterface in the high temperature tribological properties of TiAl intermetallics

被引：22
作者：
Cheng, Jun [1 ]
Li, Fei [1 ]
Qiao, Zhuhui [1 ]
Zhu, Shengyu [1 ]
Yang, Jun [1 ]
Liu, Weimin [1 ]
机构：
[1] Chinese Acad Sci, Lanzhou Inst Chem Phys, State Key Lab Solid Lubricat, Lanzhou 730000, Peoples R China
来源：
MATERIALS & DESIGN | 2015年 / 84卷
基金：
中国国家自然科学基金;
关键词：
Intermetallics; Titanium aluminides; High temperature; Tribological properties; Counterface materials; Oxidation behavior; SELF-LUBRICATING COMPOSITES; SLIDING WEAR; INITIAL-STAGES; MICROSTRUCTURE; FRICTION; BEHAVIOR; ALLOYS;
D O I：
10.1016/j.matdes.2015.06.115
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Clarification of how oxidation and counterface materials influence the high temperature tribological properties of TiAl alloy is the main object of this research. As evident from the comparison tests in air and argon, surface oxidation is detrimental to the tribological properties of the alloy at low temperature, but favorable above 600 degrees C. Counterface (Si3N4, SiC and Al2O3) is an important factor that largely affects the tribological properties of TiAl alloys, and this effect is strongly dependent on the system environment. In general, TiAl alloy shows superior tribological properties when Al2O3 is mating surface, excluding at 800 degrees C in argon. (C) 2015 Elsevier Ltd. All rights reserved.
引用
收藏
页码：245 / 253
页数：9
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