Tribological properties of hydrogenated amorphous carbon under dry and lubricated conditions

被引：15

作者：

Vengudusamy, Balasubramaniam ^{[1
]}

Grafl, Alexander ^{[1
]}

Preinfalk, Klaus ^{[2
]}

机构：

[1] AC2T Res GmbH, A-2700 Wiener Neustadt, Austria

[2] High Tech Coatings GmbH, Miba Coating Grp, A-4655 Vorchdorf, Austria

来源：

关键词：

DLC coatings; a-C:H; Gear oil; Graphitisation; Friction; Wear; DIAMOND-LIKE-CARBON; DLC COATINGS; DLC/DLC CONTACTS; ADDITIVES; FRICTION; BEHAVIOR; OIL; SURFACES; SYSTEMS; STEEL;

D O I：

10.1016/j.diamond.2013.11.009

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Diamond-like carbon (DLC) coatings are considered as potential surface coatings for many engineering applications including gears and engine parts. It is important to know whether conventional extreme pressure (EP) additive-containing oil can work with DLCs and provide tribological performance as effective as they provide on steel surfaces. This study examines the friction and wear properties of hydrogenated amorphous carbon (a-C:H) under dry, base oil (BO)- and fully formulated gear oil (FF)-lubricated conditions. Pronounced graphitisation occurs due to rubbing under dry condition and provides low friction but promotes wear. However, BO and FF greatly suppress graphitisation and wear. Tribofilms formed from FF in a-C: H/steel contact appear to exhibit superior antiwear properties than those formed in steel/steel contact. (C) 2014 Elsevier B.V. All rights reserved.

引用

页码：53 / 64

页数：12

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