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TiO2 Nanoparticle/Fluorinated Reduced Graphene Oxide Nanosheet Composites for Lubrication and Wear Resistance

The preparation of
TiO2/F-rGO nanocomposites by an in
situ synthesis method was discussed, and the nanocomposites were used
as lubricant additives. The morphology and structure of TiO2/F-rGO nanocomposites showed that there was an excellent link between
TiO2 nanoparticles and F-rGO nanosheets. The tribological
results showed that TiO2/F-rGO nanocomposites as lubricant
additives displayed a low coefficient of friction and excellent wear
resistance capacity. Furthermore, it was illustrated that the TiO2 nanoparticles and the F-rGO nanosheets in the TiO2/F-rGO nanocomposites had a synergistic lubricating effect. The coefficient
of friction­(COF) and wear rate of the TiO2/F-rGO nanocomposites
decreased by 33.67% and 88.38%, respectively, compared with those
of pure oil, suggesting that these nanocomposites display excellent
application prospects as novel lubricant additives.