The wear mechanism in heavy-loaded lubricated coated/steel sliding contacts
Journal Title: Tribologia - Year 2010, Vol 234, Issue 6
Abstract
The wear mechanism of the coating/steel tribosystem compared with that for conventionally used steel/steel friction contacts under sliding conditions lubricated with base oil with various concentrations of extreme pressure (EP) additive is studied. A four-ball apparatus was used to determine the scuffing resistance of both tribosystems. The improvement of tribological properties in the case of coating/steel tribosystem was found to be governed by the reduction of the adhesion between rubbing surfaces of steel and coating material due to low chemical affinity (similarities) between them and by the ability of EP additive to react with steel surfaces generating a protective film preventing scuffing.<br/><br/>
Authors and Affiliations
Mihaela Vlad, Marian Szczerek, Remigiusz Michalczewski, Maksim Antonov
Keywords
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