Parametric Appraisal of Process Parameters for Adhesion of Plasma Sprayed Nanostructured YSZ Coatings Using Taguchi Experimental Design

Table 1

Selected operating parameters for plasma spray coating process.

Parameter	Operating range
Operating power	30–45 kW
Current	500–700 Amps.
Primary plasmagen gas (argon) flow rate	45–60 Lpm
Secondary plasmagen gas (helium) flow rate	5–15 Lpm
Nozzle to substrate distance (stand-off distance)	75–150 mm
Powder feed rate	25 gm/min