Low friction of diamond sliding against Al2O3 ceramic ball based on the first principles calculations

被引：11

作者：

Zhang, Renhui ^{[1
]}

Lu, Zhibin ^{[2
]}

Shi, Wei ^{[1
]}

Leng, Senlin ^{[1
]}

Tang, Bangcheng ^{[1
]}

机构：

[1] TongRen Univ, Res Ctr Mat & Chem Engn, Sch Mat & Chem Engn, Tongren 554300, Peoples R China

[2] Chinese Acad Sci, Lanzhou Inst Chem Phys, State Key Lab Solid Lubricat, Lanzhou 730000, Peoples R China

来源：

SURFACE & COATINGS TECHNOLOGY | 2015年 / 283卷

关键词：

Friction; Amorphous carbon; Al2O3 ceramic ball; Potential energy surface; AMORPHOUS-CARBON FILM; TRIBOLOGICAL BEHAVIOR; SILICON-NITRIDE; COATINGS; WEAR; DLC; ADHESION; VACUUM; PERFORMANCE; ALUMINUM;

D O I：

10.1016/j.surfcoat.2015.10.062

中图分类号：

TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

Generally, amorphous carbon films sliding against Al2O3 ceramic ball exhibited low friction. However, the low friction mechanism was still not well understood. Since the atomic interaction has difficulty in observing from the experimental method. Thus, in this paper, we probed the origin of low friction mechanism of amorphous carbon films against Al2O3 ceramic ball based on first principles calculations. The work of separation did not well illustrate the low friction mechanism. The calculated results of the potential energy surface showed that the minimum energy paths, which defined as a series of low energy regimes of the potential energy surface, were in charge of the low friction. (C) 2015 Elsevier B.V. All rights reserved.

引用

页码：129 / 134

页数：6

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