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Tribological characterization of epoxy coatings modified with ionic liquids and graphene
Tribology International ( IF 3.517 ) Pub Date : 2018-12-17 , DOI: 10.1016/j.triboint.2018.12.016
M.D. Avilés; A.E. Jiménez; N. Saurín; F.J. Carrión; J. Sanes; M.D. Bermúdez

The tribological performance of new epoxy resin (RE) coatings on mild steel AISI 1015 substrate has been studied under pin-on-disk configuration against AISI 316L stainless steel. Both single layer and double layer coatings were obtained by spin coating and curing. A single layer coating of RE modified by a dispersion of graphene (G) in the aprotic ionic liquid 1-octyl-3-methylimidazolium tetrafluoroborate, RE+9 wt.%([OMIM]BF4+0.1 wt.%G), prevents wear and reduces the coefficient of friction in a 60% with respect to RE. When the fluorine-free protic ionic liquid bis(2-hydroxyethyl)ammonium oleate (DO) is used, a double layer coating is necessary to achieve wear prevention and friction reduction up to 70% for RE+9 wt.%DO, and up to 50% for RE+9 wt.%(DO+0.1 wt.%G).
更新日期:2018-12-17

 

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