Experimental Study on Electrode Wear of Diamond-Nickel Coated Electrode in EDM Small Hole Machining

Table 2

Ni coating solution.

Parameter	Description
Nickel sulfate	32 g/L
Sodium hypophosphite	32 g/L
Citric acid	5–10 g/L
Lactic acid	20–30 ml/L
Glycine	6–12 g/L
Succinic acid	10–20 g/L
Thiourea	1–5 mg/L
Sodium acetate	10–20 g/L
OP emulsifier	10–20 mg/L
Diamond	20 g/L
Temperature	75 ± 1°C
Time	20 min