High Stability Performance of Superhydrophobic Modified Fluorinated Graphene Films on Copper Alloy Substrates

Figure 6

SEM images of modified FG on copper alloy surfaces (a) VFG 10, (b) VFG 30, (c) DFG 30 before corrosion, and (d) DFG 30 after corrosion.

(a)

(b)

(c)

(d)