Environmental effect on the load-dependent friction behavior of a diamond-like carbon film

被引：50
作者：
Cui, Longchen [1 ,2 ]
Lu, Zhibin [1 ]
Wang, Liping [1 ]
机构：
[1] Chinese Acad Sci, Lanzhou Inst Chem Phys, State Key Lab Solid Lubricat, Lanzhou 730000, Peoples R China
[2] Univ Chinese Acad Sci, Beijing 100039, Peoples R China
来源：
TRIBOLOGY INTERNATIONAL | 2015年 / 82卷
基金：
中国国家自然科学基金;
关键词：
Diamond-like carbon; Contact stress; Atmosphere; Friction mechanism; AMORPHOUS-CARBON; WATER-VAPOR; COATINGS; TRIBOLOGY; VACUUM; WEAR; LUBRICATION; PRESSURE; HYDROGEN; STRESS;
D O I：
10.1016/j.triboint.2014.10.014
中图分类号：
TH [机械、仪表工业];
学科分类号：
0802 ;
摘要：
We examine the influence of gaseous atmospheres and applied loads on the friction behaviors of a low-hydrogenated diamond-like carbon (DLC) film. The results show that friction behaviors of the DLC film can be manipulated by adjusting the contact stress in conjunction with the test atmosphere, particularly the humidity. By this way, surprisingly, the low-hydrogenated DLC film is enabled to display a superlow friction coefficient (similar to 0.003) with a long wear life (>20000 sliding cycles). The mechanical and mechanochemical effects of the contact stress and the effect of humidity on the friction behaviors of the DLC film are elaborately discussed. (C) 2014 Elsevier Ltd. All rights reserved.
引用
收藏
页码：195 / 199
页数：5
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