Abstract
In recent years, conventional materials are replaced with composites in particular aluminium were developed for enhanced material performance such as light weight, high strength and wear resistance etc. In this paper, aluminium hybrid metal-matrix composites (AHMC) are fabricated by stir casting technique with different compositions of carbon nano tubes (CNT) and boron carbide (B4C). This research work reports the tensile strength, wear behaviour, micro structural analysis of different specimens (Al 6061 with 3% CNT & 3% B4C, Al 6061 with 5% CNT & 3% B4C, Al 6061 with 7% CNT & 3% B4C & Al 6061 with 9% CNT & 3% B4C). From these four specimens, tensile strength and the hardness of the specimen 4 is 250 MPa and 52.692 BHN respectively. By comparing the values, specimen 4 gives higher value. In addition, EDAX analysis clearly ensures the even distribution of reinforcements in different specimens. The improvements in strength are noticed when increasing the composition of CNT in Al6061 hybrid matrix composites.
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