[Retracted] Tribological Behavior and Surface Characterization of Gray Cast Iron-EN31 Steel under Lubricated Sliding Conditions

Figure 6

(a, b) Micrograph with 40 pride oil sliding.

(a) 15 N, 0.5 m/s, 300 m

(b) 15 N, 1.0 m/s, 300 m