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Differences in the tribological mechanisms when using non-doped, metal-doped (Ti, WC), and non-metal-doped (Si) diamond-like carbon against steel under boundary lubrication, with and without oil additives
Kalin, Mitjan (Author), Vižintin, Jože (Author)

URLURL - Presentation file, Visit http://dx.doi.org/10.1016/j.tsf.2006.03.034 This link opens in a new window

Abstract
In this paper, we report on the tribological performance and mechanisms of the boundary-lubricated contacts of steel against diamond-like carbon (DLC) coatings, i.e., steel/DLC, using the same materials, oils, additives and conditions as we have previously reported for DLC/DLC contacts. We present and compare the behaviour of two non-doped, two metal-doped (Ti, WC) and one non-metal-doped (Si) DLC coatings in contact with steel surfaces in reciprocating sliding, lubricated with a paraffinic mineral base oil with and without anti-wear and extreme-pressure additives. Friction behaviour similar to that of the steel/steel surfaces is observed in all the steel/coating contacts, irrespective of the coating type. However, the doped and non-doped coatings showed different wear behaviours. The non-doped DLC coatings provided the lowest wear with the base oils, due to the absence of adhesion between the steel and the DLC coating. In contrast, additivation of the oil was necessary for the adhesion prevention and successful operation of the steel/doped-DLC contacts.

Language:English
Keywords:tribologija, DLC prevleke, pogoji mazanja, olja, aditivi, temperature, trenje, obraba, DLC, oil, additive, temperature, friction, wear, coating, steel
Work type:Not categorized (r6)
Tipology:1.01 - Original Scientific Article
Organization:FS - Faculty of Mechanical Engineering
Year:2006
Number of pages:str. 2734-2747
Numbering:Letn. 515, št. 4
UDC:621.8
ISSN on article:0040-6090
COBISS.SI-ID:10636827 Link is opened in a new window
Views:404
Downloads:204
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Record is a part of a journal

Title:Thin Solid Films
Shortened title:Thin solid films
Publisher:Elsevier Sequoia
ISSN:0040-6090
COBISS.SI-ID:1119759 This link opens in a new window

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