Research Article

Effect of Processing Parameters on the Protective Quality of Electroless Nickel-Phosphorus on Cast Aluminium Alloy

Figure 8

Micrographs showing deposits of (a) EN flakes on CAA surfaces at pH = 9.5, bright, metallic EN plating at (b) pH = 10.5, (c) pH = 11.0, and (d) EN on plastic stirrer in pH = 11.5 NH4OH regulated baths at 85°C.
(a)
(b)
(c)
(d)