Figure 5 | Scientific Reports

Figure 5

From: Energy efficient reduced graphene oxide additives: Mechanism of effective lubrication and antiwear properties

Figure 5

Raman mapping inside the wear track at rGO concentration (a) 0.2 and (b) 1.0 mg mL−1.

Sublevel both in figure (a) and (b) describes: (a) metal oxide (b) D band (c) G band and (d) superimposed mapping pattern of D and G band, the scale in image show intensity. Tribology condition: Load: 500 mN, Linear speed: 0.5 cm/s, Ball: steel (dia. 2 mm).

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