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

Table 5

Variation of micro-hardness with torch input power.

Torch Input power (kW)	Coating Micro-hardness (GPa)
	BGM	BGM + 10% Al2O3	BGM + 20% Al2O3	BGM + 30% Al2O3
8	9.92	9.55	9.41	9.27
12	10.12	9.81	9.74	9.59
16	11.23	10.98	10.89	10.65
20	11.67	11.41	11.29	11.13
24	11.42	11.12	11.02	10.89