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Diesel-lubricated ta-C coatings

 
: Makowski, S.; Weihnacht, V.; Leson, A.

:

Lubrication science 25 (2013), No.4, pp.269-274
ISSN: 0954-0075
ISSN: 1557-6833
English
Journal Article
Fraunhofer IWS ()
Biodiesel; Diesel; DLC; superlubricity; ta-C; ultra-low friction

Abstract
Samples coated with tetrahedral amorphous carbon were investigated in two different oscillating test setups regarding their friction and wear properties. As lubricants petrodiesel, rapeseed methyl ester biodiesel and a mixture thereof were used. Compared with a petrodiesel-lubricated uncoated system, friction was reduced for more than 50% when a tetrahedral amorphous carbon coating was applied and biodiesel added to the lubricant. Impurities of monoglycerides are assumed to be the cause for the friction-modifying effect.

: http://publica.fraunhofer.de/documents/N-227996.html