Studies on Erosion Behavior of Plasma Sprayed Coatings of Glass Microspheres Premixed with Al₂O₃ Particles

Table 1

Setting of parameters.

Control factors	Symbols	Fixed parameters
Impact velocity	Factor A	Erodent	Silica sand
Impingement angle	Factor B	Erodent feed rate	10.0 ± 1.0 g min^−1
Erodent size	Factor C	Stand-off distance	100 mm
Erodent temperature	Factor D	Nozzle diameter	3 mm
Alumina content	Factor E