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

Table 2

Compositions of bath solution.

Bath compositions	Concentration (g·L^-1)	Depositing parameters	Values
NiSO4•6H2O	230	Temperature (°C)	45, 50, 55, 60
H3BO3	30	pH	3.5, 4, 4.5, 5
NaH2PO2•H2O	15	Current density (A/dm^2)	0.5, 1, 1.5, 2
NiCl2•6H2O	15	Time (min)	10
Al2O3 sol wt20% (60-70 nm)	80 ml/L
C12H25SO4Na	0.4