Scratch resistance and tribological properties of DLC coatings under dry and lubrication conditions

被引：41
作者：
Sharma, Neha [1 ]
Kumar, N. [1 ]
Dash, S. [1 ]
Das, C. R. [1 ]
Rao, R. V. Subba [1 ]
Tyagi, A. K. [1 ]
Raj, Baldev [1 ]
机构：
[1] Indira Gandhi Ctr Atom Res, Mat Sci Grp, Kalpakkam 603102, Tamil Nadu, India
来源：
TRIBOLOGY INTERNATIONAL | 2012年 / 56卷
关键词：
DLC coatings; Fatty acid; Scratch resistance; Friction coefficient; CARBON COATINGS; OIL ADDITIVES; DIAMOND; PERFORMANCE; MECHANISMS; WEAR; FRICTION; BEHAVIOR; DLC/DLC; SILICON;
D O I：
10.1016/j.triboint.2012.06.020
中图分类号：
TH [机械、仪表工业];
学科分类号：
0802 ;
摘要：
Scratch resistance and tribological properties of hydrogenated and hydrogen free diamond like carbon (DLC) coatings were investigated in ambient atmosphere under unlubricated and lubricated conditions using layers of oleic (C18H34O2) and linoleic acid (C18H32O2). Scratch resistance property improved in hydrogenated DLC while using linoelic and oleic acids compared to unlubricated condition. Coefficient of friction (CoF) was found to decrease under ambient dry conditions, while under lubrication condition, it was found to increase with normal load. At low load of 1 N. hydrogenated and hydrogen-free coatings show a super low CoF of 0.001 and high wear resistance with oleic acid. (C) 2012 Elsevier Ltd. All rights reserved.
引用
收藏
页码：129 / 140
页数：12
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