Improved Thermally Grown Oxide Scale in Air Plasma Sprayed NiCrAlY/Nano-YSZ Coatings

Table 2

Parameters of air plasma spraying method.

Parameters	Normal NiCrAlY	Normal YSZ	Nano-YSZ
Current (A)	450	550	620
Voltage (V)	50	70	65
Primary gas, Ar (L/min)	85	38	35
Secondary gas, H2 (L/min)	15	17	6
Powder feed rate (g/min)	15	35	30
Spray distance (cm)	15	7.5	8