Evaluation and Characterization of Plasma Sprayed Cu Slag-Al Composite Coatings on Metal Substrates

Table 1

Operating parameters for coating deposition.

Parameter	Operating range
Operating power	10–25 kW
Arc current	400–600 A
Primary Plasmagen gas (argon) flow rate	40 Lpm
Secondary Plasmagen gas (helium) flow rate	8 Lpm
Carrier gas (argon) flow rate	10 Lpm
Nozzle to substrate distance (stand-off distance)	100 mm