Fatigue Strength Evaluation for Remanufacturing Impeller of Centrifugal Compressor Based on Modified Grey Relational Model

<table class="table-group" id="tab1"><tr><td><table class="table"><tr><td class="thead-hr" colspan="4"><hr/></td></tr><tr class="thead"><td class="align_left">Parameter name</td><td class="align_center">Symbol</td><td class="align_center">Good</td><td class="align_center">Bad</td></tr><tr><td class="thead-hr" colspan="4"><hr/></td></tr><tr><td class="align_left">Lubrication condition</td><td class="align_center"><i>L</i></td><td class="align_center">1</td><td class="align_center">5</td></tr><tr><td class="align_left">Wear degree</td><td class="align_center"><i>W</i></td><td class="align_center">1</td><td class="align_center">5</td></tr><tr><td class="align_left">Cleanness of fluid</td><td class="align_center"><i>C</i></td><td class="align_center">1</td><td class="align_center">5</td></tr><tr class="table-tr"><td colspan="4"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

<div>Rating scales for unquantifiable working condition factors.</div>

Advances in Materials Science and Engineering

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Table 1

Table 1: Fatigue Strength Evaluation for Remanufacturing Impeller of Centrifugal Compressor Based on Modified Grey Relational Model 