Roughness effect of mating ball on friction of diamond-like carbon film and friction mechanism in water and air environment

被引：3

作者：

Ohana, T. ^{[1
]}

Wu, X. ^{[1
]}

Nakamura, T. ^{[1
]}

Tanaka, A. ^{[1
]}

机构：

[1] Natl Inst Adv Ind Sci & Technol, Tsukuba, Ibaraki 3058565, Japan

来源：

关键词：

diamond-like carbon; friction; tribology; lubricant film;

D O I：

10.1016/j.diamond.2007.10.021

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

The dependence of DLC film friction on the roughness of stainless steel mating balls was investigated in water and air environments. It was found that the steel ball surface parameters of Ra and surface density of summits (Dsum) showed a high correlation with the film friction in a water environment but in an air environment, the correlation was low with the friction coefficients scattered across the parameters of roughness. The difference in the frictional behaviors was explained by the presence of lubrication film that formed in the water environment. Furthermore, it was confirmed that the friction behaviour of DLC film in water environment was interpreted on the basis of boundary lubrication theory proposed by Nakahara. (C) 2007 Elsevier B.V. All fights reserved.

引用

页码：860 / 863

页数：4

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