Abstract:Previously, isolated nanocarbons in lubricating oils
were considered
essential for good lubrication. However, we observed that graphene
oxide (GO) aggregates in lubricating oil have lower frictional properties
than isolated dispersed GO. The GO was dispersed in polyα-olefin
(PAO) using alkylamine at different ratios of GO and alkylamine, or
it was heated at different temperatures to synthesize high- and low-dispersible
GO-dispersed PAO. X-ray photoelectron spectroscopy (XPS), Fourier
transform infrared spectro… Show more
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