Journal Published Online: 01 April 2006
Volume 3, Issue 5

Effect of Coatings-Orientants on Antifriction Properties of Lubricants in Tribounits under Boundary Lubrication

CODEN: JAIOAD

Abstract

The effect of some carbon coatings deposited on steel surfaces on lubricating properties of oils is investigated. The friction tests were carried out by using two test configurations: “ball-on-disk” and “ring-to-ring.” Friction surfaces were coated by carbon of two types: monocrystalline and amorphous ones. As lubricants some model and commercial oils were used. It is found that the friction coefficient and its temperature dependence differ significantly for carbon films under study. The obtained results were attributed to a different orientating effect of these coatings on structural ordering in boundary layers, which structure is considered as a mesophase of liquid crystals. The findings suggest that the carbon coatings with orientating effect on boundary layers are advantageous for improving antifriction characteristics and for governing processes of boundary lubrication.

Author Information

Levchenko, VA
Lomonosov Moscow State University, Moscow, Russia
Buyanovsky, IA
Blagonravov's Mechanical Engineering Research Institute, Moscow, Russia
Ignatieva, ZV
Blagonravov's Mechanical Engineering Research Institute, Moscow, Russia
Matveenko, VN
Lomonosov Moscow State University, Moscow, Russia
Pages: 10
Price: $25.00
Related
Reprints and Permissions
Reprints and copyright permissions can be requested through the
Copyright Clearance Center
Details
Stock #: JAI14105
ISSN: 1546-962X
DOI: 10.1520/JAI14105