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

<table class="table-group" id="tab5"><tr><td><table class="table"><tr><td class="thead-hr" colspan="6"><hr/></td></tr><tr class="thead"><td class="align_left">Impeller number</td><td class="align_center">No. 1</td><td class="align_center">No. 2</td><td class="align_center">No. 3</td><td class="align_center">No. 4</td><td class="align_center">No. 5</td></tr><tr><td class="thead-hr" colspan="6"><hr/></td></tr><tr><td class="align_left">Equivalent data (MPa)</td><td class="align_center">513</td><td class="align_center">472</td><td class="align_center">622</td><td class="align_center">507</td><td class="align_center">598</td></tr><tr class="table-tr"><td colspan="6"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

<div>Equivalent data for fatigue strength after transformation.</div>

Advances in Materials Science and Engineering

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Table 5

Table 5: Fatigue Strength Evaluation for Remanufacturing Impeller of Centrifugal Compressor Based on Modified Grey Relational Model 