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<div class="section abstract"><div class="htmlview paragraph">Different weight percentages (0, 1 and 2 wt. %) of Calcium hexaboride (CaB₆) is reinforced with pure magnesium and the composite is fabricated through powder metallurgy technique. The fabricated samples are used for the tribological evaluation. In this connection, the Taguchi optimization technique (L27 Orthogonal array) assisted Grey Relational analysis is used for predicting the significant factors to the tribological evaluation. The magnesium composite wear rate is evaluated by Archard’s mass loss method. Based on the obtained results, it is observed that the magnesium composite wear rate is increased by the effect of an increase in load. It was arising as a result of enhanced delamination wear mechanism which is confirmed by SEM observation on the worn-out pin surface.</div></div>