Optimization of Multiple Roughness Characteristics of Chemically Deposited Ni-P-W Coating Using Weighted Principal Component Analysis

Table 10

Results of confirmation test.

Responses	Initial combination	Optimum combination
	A2B2C2	A3B3C3
𝑅𝑎	0.63	0.48
𝑅𝑞	0.75	0.62
𝑅sk	1.12	1.03
𝑅ku	5.79	6.61
𝑅sm	0.18	0.102
Total S/N ratio	5.02501	13.69456

Improvement of S/N ratio is 8.66955 dB.