Compatibility of DLC coatings with formulated oils
Podgornik, Bojan (Author), Sedlaček, Marko (Author), Vižintin, Jože (Author)

URLURL - Presentation file, Visit http://dx.doi.org/10.1016/j.triboint.2007.12.004 This link opens in a new window

In the present study, the tribological performance and compatibility of hydrogenated amorphous carbon coating (a-C:H) and metal-doped diamond-like carbon (DLC) coating (Me-C:H) with formulated oils under the boundary lubrication regime was investigated. The investigation employed ball-on-flat contact geometry in reciprocating sliding motion and six formulated oils (manual gearbox oil, automatic gearbox oil, hydraulic oil, compressor oil, andnormal and high performance motor oil), with pure poly-alpha-olefin (PAO) oil used as a reference. In addition, DLC coatings behavior in diesel and gasoline fuel was evaluated. Compared with the uncoated steel surfaces a-C:H coatings give improved wear resistance in base PAO as well as in fully formulated oils and fuels. On the other hand, W-doped DLC coatings show the lowest steady-state friction under boundary lubrication, especially when using oils with high additive contents.

Keywords:tribologija, DLC prevleke, trenje, mazanje, obraba, DLC coatings, friction, boundary lubrication, formulated oils
Work type:Not categorized (r6)
Tipology:1.01 - Original Scientific Article
Organization:FS - Faculty of Mechanical Engineering
Number of pages:str. 564-570
Numbering:Letn. 41, št. 6
ISSN on article:0301-679X
COBISS.SI-ID:10404379 Link is opened in a new window
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Record is a part of a journal

Title:Tribology international
Shortened title:Tribol. int.
Publisher:Butterworth Scientific Limited
COBISS.SI-ID:26558976 This link opens in a new window

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