Abstract
Abstract Hybrid composites find a wide spectrum of applications in commercial aircraft and the automotive industry. In this investigation, the stir casting method was used to fabricate AA6061/SiC/graphite hybrid composites. The fabricated composites were subjected to a hot extrusion process. Hot extrusion studies on stir cast samples were attempted in this investigation. The tensile and hardness properties of both stir cast and extruded samples of AA6061/SiC/graphite hybrid composites were experimentally evaluated. A comparison has been made on the mechanical properties of both stir cast and extruded samples. The microstructural characteristics of stir cast and extruded samples were also analyzed. The hot extruded samples were found to possess higher tensile strength and hardness and better microstructural characteristics compared with stir cast AA6061/SiC/graphite hybrid composites.
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