Preparation of Sol-Enhanced Ni–P–Al₂O₃ Nanocomposite Coating by Electrodeposition

Figure 6

Surface morphology of coatings prepared under different current Al₂O₃ sol dosage (a) 40 mL/L, (b) 60 mL/L, (c) 80 mL/L, and (d) 100 mL/L.

(a)

(b)

(c)

(d)