Friction Performance Optimization of Chemically Deposited Ni-P-W Coating Using Taguchi Method

<table class="table-group" id="tab7"><tr><td><table class="table"><tr><td class="thead-hr" colspan="4"><hr/></td></tr><tr class="thead"><td align="left" rowspan="2"></td><td align="left" rowspan="2">Initial parameter  level</td><td align="center" colspan="2">Optimal parameter combination</td></tr><tr class="thead"><td align="center">Prediction</td><td align="center">Experimentation</td></tr><tr><td class="thead-hr" colspan="4"><hr/></td></tr><tr><td align="left">Level</td><td align="center">A2B2C2D2</td><td align="center" colspan="2">A1B1C1D1</td></tr><tr><td align="left">COF</td><td align="center">0.582</td><td align="center"> </td><td align="center">0.465</td></tr><tr><td align="left">S/N ratio</td><td align="center">4.7015</td><td align="center">5.4680</td><td align="center">6.6509</td></tr><tr><td align="left" colspan="4"><hr/></td></tr><tr><td align="left" colspan="4">
									Improvement of S/N ratio = 1.9494 dB</td></tr><tr class="table-tr"><td colspan="4"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

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Table 7

Table 7: Friction Performance Optimization of Chemically Deposited Ni-P-W Coating Using Taguchi Method 