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Faraday Discuss. 2012;156:311-23; discussion 413-34.

The origin of anti-wear chemistry of ZDDP.

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  • 1Laboratory of Tribology and System Dynamics, Ecole Centrale de Lyon, 69134 Ecully, France. jean-michel.martin@ec-lyon.fr

Abstract

Molecular Dynamics has been used to simulate the anti-wear chemistry of zinc dialkyl dithiophosphate (ZDDP). The model simulates the digestion of abrasive particles into the zinc polyphosphate glass. The main result is that the driving force for the tribochemical reaction is not temperature but entropy due to mechanical mixing at the atomic scale.

PMID:
23285636
[PubMed]
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