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Abstract The lubricant additives could be added into vegetable oil to improve the tribological. Two lubricant additives (GO-D and GO-T) were synthesized and characterized by the reaction between the carboxyl… Click to show full abstract
Abstract The lubricant additives could be added into vegetable oil to improve the tribological. Two lubricant additives (GO-D and GO-T) were synthesized and characterized by the reaction between the carboxyl of graphene oxide (GO) and 1-dodecanethiol and tert-dodecyl mercaptan, respectively. The dispersion stability and tribological properties of GO-D and GO-T in rapeseed oil were investigated. The results show that the dispersion stability and tribological properties of GO-D in rapeseed oil are superior to that of GO-T, and both of them are better than that of GO. In addition, the surface morphology and chemical analysis of steel ball show that GO-D and GO-T sheets form absorption and tribochemical film on the rubbing surface.
Journal Title: Tribology International
Year Published: 2018
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