International Scholarly Research Notices / 2012 / Article / Tab 10

Research Article

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

Table 10

Results of confirmation test.

ResponsesInitial combinationOptimum combination
A2B2C2A3B3C3

𝑅 π‘Ž 0.630.48
𝑅 π‘ž 0.750.62
𝑅 s k 1.121.03
𝑅 k u 5.796.61
𝑅 s m 0.180.102

Total S/N ratio5.0250113.69456

Improvement of S/N ratio is 8.66955 dB.

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