Optimization of Dual Coating Using Electroless Ni-P-Nano-TiO₂ and Plasma Yttria-Stabilized Zirconia on Piston Crown and Cylinder Liner in CI Engine

Table 2

Factors and its level for optimization.

Description	Factors	Levels
		1	2	3
A	pH (%)	5	7	9
B	Stabilizer (g/L)	20	25	30
C	Surfactant (g/L)	1	1.2	1.4