Tribological behavior of nanocrystalline Fe88Si12 alloy in vacuum environment

被引：6
|
作者：
Fu, Licai [1 ]
Tang, Youyun [2 ]
Kang, Yonghai [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
[2] PetroChina Lanzhou Lubricating Oil R&D Inst, Lanzhou 730060, Peoples R China
来源：
WEAR | 2015年 / 332卷
基金：
中国国家自然科学基金;
关键词：
Nanocrystalline; Friction; Wear; Vacuum; SLIDING WEAR BEHAVIOR; GRAIN-SIZE; NANOSTRUCTURED METALS; SURFACE-LAYER; FRICTION; CONTACT; NICKEL; STEEL; DEFORMATION; EXTRUSION;
D O I：
10.1016/j.wear.2015.02.011
中图分类号：
TH [机械、仪表工业];
学科分类号：
0802 ;
摘要：
The tribological behavior of nanocrystalline Fe88Si12 alloy in vacuum environment has been investigated compared with coarse grained counterpart. The results demonstrated that the friction coefficient of the Fe88Si12 alloy reduced with the decrease of both grain size and oxygen partial pressure. The wear resistance of the Fe88Si12 alloy improved more effective in vacuum than in air as the grain size decreased. As the hardness and oxidation activity of the Fe88Si12 alloy decreased, the wear mechanism changed from adhesion and oxidation to plastic deformation and adhesion when the grain size and oxygen partial pressure decreased. (C) 2015 Elsevier B.V. All rights reserved.
引用
收藏
页码：956 / 961
页数：6
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