Analysis of dry sliding wear behaviour of AA-7068/TiC MMCs Online publication date: Fri, 31-Jan-2020
by Poppathi Naresh; Syed Altaf Hussain; Bandaru Durga Prasad
International Journal of Materials Engineering Innovation (IJMATEI), Vol. 11, No. 1, 2020
Abstract: This paper presents the influence of sliding velocity, applied load rotational speed on wear behaviour of AA-7068 alloy is used as a matrix material and reinforced with Titanium Carbide (TiC). The MMCs was developed by stir casting technique, with various weight fraction of reinforcement varied from 0 to 10 wt. % and the test specimens were prepared as per ASTM standards. The wear behaviour was investigated by performing dry sliding test on pin-on-disc tester. Experiments are planned and conducted as per central composite design (CCD). The micro structural analysis was carried out using SEM, EDX and XRD analysis, which revealed fairly uniform distribution of reinforcement in a matrix. The experimental results reveal that the rotational speed has the highest influence followed by applied load on wear. MMC with 6 wt. % of TiC composite has low wear than that of other composite systems considered in this investigation.
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