Effect of Deposition Time on the Morphological Features and Corrosion Resistance of Electroless Ni-High P Coatings on Aluminium

Table 1

Bath compositions and processing parameters used for electroless deposition.

Constituent	Value; (gram/litre)	Parameter	Value
Nickel sulphate	21	pH	4.3–4.6
Sodium hypophosphite	24	Temperature (°C)	88–95
Lactic acid	28	—	—
Propanoic acid	2.2	—	—