Engine bench and road testing of an engine oil containing MoS2 particles as nano-additive for friction reduction. (January 2017)

• Record Type: Journal Article
• Authors: Sgroi, M.F.; Asti, M.; Gili, F.; Deorsola, F.A.; Bensaid, S.; Fino, D.; Kraft, G.; Garcia, I.; Dassenoy, F.
• Is Part Of: Tribology international. Volume 105(2017)
• Page Start: 317
• Page End: 325
• Publication Date: 2017-01
• Subjects: Nano-lubricants -- Inorganic fullerenes -- Nano-particles -- Engine tests; Tribology -- Periodicals; 621.89
• DOI: 10.1016/j.triboint.2016.10.013
• Languages: English
• ISSNs: 0301-679X

Abstract

Abstract: The development of new advanced lubricants is a key factor for the production of cleaner and more durable internal combustion engines. New improved anti-friction and anti-wear additives are required to improve the fuel economy and reduce the greenhouse gases emission. The inclusion of nanoparticles known as solid lubricants (MoS2 and WS2 inorganic fullerenes) in engine oils could help to improve the performance of internal combustion engines. This paper describes the results of the testing activities performed on a fully formulated engine oil incorporating MoS2 nanoparticles. The nano-lubricant allowed demonstrating on the New European Driving Cycle (NEDC) a reduction of 0.9% of fuel consumption with respect to the reference lubricant without nanoparticles. Abstract : Highlights: A fully formulated stable engine oil containing MoS2 nanoparticles was demonstrated. The fuel consumption and emission abatement performances of a nano-lubricant based on MoS2 nanoparticles on engine test bench and on vehicle were assessed. Fuel consumption measurement demonstrated a fuel saving reaching even 5–10% at engine level in some specific operative conditions. A fuel economy benefit of 1% was measured on vehicle. The inclusion of MoS2 nanoparticles in the base oil resulted to be fully compatible with the after treatment system of current passenger vehicles.