Table 2: Parameters of air plasma spraying method.

ParametersNormal NiCrAlYNormal YSZNano-YSZ

Current (A)450550620
Voltage (V)507065
Primary gas, Ar (L/min)853835
Secondary gas, H2 (L/min)15176
Powder feed rate (g/min)153530
Spray distance (cm)157.58