Tribological Performance Optimization of Al-7.5% SiCp Composites Using the Taguchi Method and Grey Relational Analysis

<table class="table-group" id="tab2"><tr><td><table class="table"><tr><td class="thead-hr" colspan="5"><hr/></td></tr><tr class="thead"><td align="left" rowspan="2">Design factors</td><td align="center" rowspan="2">Unit</td><td align="center" colspan="3">Levels</td></tr><tr class="thead"><td align="center">1</td><td align="center">2</td><td align="center">3</td></tr><tr><td class="thead-hr" colspan="5"><hr/></td></tr><tr><td align="left">Load (<i>L</i>)</td><td align="center">N</td><td align="center">50</td><td align="center">75<sup>i</sup></td><td align="center">100</td></tr><tr><td align="left">Speed (<i>S</i>)</td><td align="center">RPM</td><td align="center">180</td><td align="center">200<sup>i</sup></td><td align="center">220</td></tr><tr><td align="left">Time (<i>T</i>)</td><td align="center">MIN</td><td align="center">20</td><td align="center">30<sup>i</sup></td><td align="center">40</td></tr><tr class="table-tr"><td colspan="5"><hr class="tbody-hr"/></td></tr></table></td></tr><tr class="table-fn"><td><sup>
									i</sup>Initial testing condition.<br/></td></tr></table>

Journal of Composites

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Table 2

Table 2: Tribological Performance Optimization of Al-7.5% SiCp Composites Using the Taguchi Method and Grey Relational Analysis 