Influence of oxidized graphene nanoplatelets and [DMIM][NTf2] ionic liquid on the tribological performance of an epoxy-PTFE coating
作者： Pedro Bandeira , Judith Monteiro , António Monteiro Baptista , Fernão D. Magalhães
DOI: 10.1016/J.TRIBOINT.2016.02.005
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摘要: Abstract This work reports the tribological performance of a self-lubricating epoxy-PTFE coating modified with oxidized graphene nanoplatelets (GNPox) and 1-decyl-3-methylimidazolium bis(trifluoromethylsulfonyl)imide [DMIM][NTf 2 ] ionic liquid, alone in combination. was incorporated without encapsulation, which is shown not to hinder adhesion for tested applications. Crossed-cylinders testing coatings under different load conditions showed synergistic effects from combination GNPox liquid. The liquid introduced plasticizing effect on binder, increasing actual contact area facilitating boundary-lubrication. boundary-lubrication regime facilitated particle orientation reduction their abrasive behaviour, contributing lowered coefficient friction.
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