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 3

Taguchi L9 orthagonal array.

S. no	pH (%)	Stabilizer (g/L)	Surfactant (g/L)
1	5	20	1
2	5	25	1.2
3	5	30	1.4
4	7	20	1.2
5	7	25	1.4
6	7	30	1
7	9	20	1.4
8	9	25	1
9	9	30	1.2