Tribological reactions between oil additives and DLC coatings for automotive applications
Podgornik, Bojan (Author), Vižintin, Jože (Author)

URLURL - Presentation file, Visit http://dx.doi.org/10.1016/j.surfcoat.2005.08.014 This link opens in a new window

In the past, the development of modern engines and transmissions would have been impossible without advanced lubricant additive chemistry and proper lubricant formulation. Introduction of diamond and diamond-like carbon (DLC) coatings, especially metal doped DLC coatings, opens further possibilities in improving performance of engine and transmission components, which cannot longer be achieved only by lubricant design. However, the lack of knowledge ontribological behaviour of DLC coatings when lubricated with oils originally designed for metallic surfaces limit their use in practical applications. The results of the present investigation clearly show the existence of tribochemical reaction between metal doped DLC coatings (W-DLC) and S-based EPadditives, while for a-C:H coatings additives had no influence. Furthermore,tribological behaviour of W-DLC coatings was found to be EP additive concentration and contact temperature dependant.

Keywords:DLC coatings, friction, AW/EP additives, boundary lubrication
Work type:Not categorized (r6)
Tipology:1.01 - Original Scientific Article
Organization:FS - Faculty of Mechanical Engineering
Number of pages:str. 1982-1989
Numbering:Letn. 200, št. 5/6
ISSN on article:0257-8972
COBISS.SI-ID:8711451 Link is opened in a new window
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Record is a part of a journal

Title:Surface & coatings technology
Shortened title:Surf. coat. technol.
Publisher:Elsevier Sequoia
COBISS.SI-ID:3084815 This link opens in a new window

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