Fig. 10From: Sulfur-Doped Alkylated Graphene Oxide as High-Performance Lubricant AdditiveThe SEM image (a) and EDS elemental analysis (b, the integration results of the line scanning shown in a which is marked as a dash line) of the wear scar while the SA-GO (prepared by sulfur-doped GO and octylamine; the oxidation time of the GO is 24 h and the concentration of SA-GO is 0.025 wt%) acted as lubricant additive in the 928 lubrication oilBack to article page