Fabrication and Investigation of the Deformation Behaviour of Al-Si Varying Reinforced with Graphite and Granite Composites

In this Experimental work the deformation behavior of solid A356varying reinforced with graphite and granite composite cylinders under axisymmetric compression over different aspect ratios without using any lubricant was examined. Two different aspect ratios namely 1.0 and 1.5 were prepared and cold upset forged. Study was carried out to generate data on the upset forging of solid cylinders of alloy and composites. The curvatures of the barreled aluminium cylinders measured physically were found to conform closely to the values calculated using the experimental data. The specimens were carried on INSTRON machine for accurate values. “Bulge diameter for base Al-Si alloy and its composites increased with increasing degree of deformation, due to friction at contact surfaces, where as radius of curvature of bulge decreased with increasing degree of deformation”.