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Aluminum metal matrix composites are measured as advanced materials in the field of aerospace, automotive, naval and other industrial applications. In the present work investigations is made on effect of nano B4C particulates addition on the compression behavior of Al2219 alloy. Nano B4C particulates of 500nm were used as the reinforcements in the Al alloy matrix. Nano composites were synthesized by using two stage liquid melt stir method in steps of 2, 4, 6 and 8 wt. % of nano B4C reinforcement in the Al2219 alloy. Samples were tested for microstructural characterization by using scanning electron microscope (SEM) and energy dispersive spectroscope (EDS). Density and compression strength were evaluated as per ASTM standards. Scanning electron micro photographs revealed the uniform distribution of the nano B4C particulates in Al2219 alloy and confirmed by EDS analysis. Further, the compression strength of base matrix Al2219 alloy is improved with the addition of the nano B4C reinforcement.

Processing, microstructure, density and compression behaviour of nano B4C particulates reinforced Al2219 alloy composites