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The tribological performance of graphene oxide (GO), graphitic carbon nitride (g-C3N4), and their mixed (g-C3N4/GO) aqueous suspensions was investigated. The 0.06 wt% GO, 0.06 wt% g-C3N4, and 0.06 wt% 1:1 g-C3N4/GO suspensions reduced the coefficient of friction (COF) by 37, 26 and 37% and wear mark radius by 19.1, 16.0 and 19.6%, respectively, in comparison with water. Pure g-C3N4 and GO suspensions...
In this study, the tribological characteristic of aqueous dispersions of single-layer graphene oxide (GO) sheets was assessed as a function of pH. The flexible and large GO sheets were broken down and chemically reduced upon increasing the pH from 3.10 to 9.70. By using the 0.06 wt% GO suspension, the noise and vibration in tribological tests were eliminated, at the same time, the coefficient of friction...
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