A Comparative Study on Microstructure and Mechanical Properties of A356-B c and A356-Graphite Composites
Journal: International Journal of Mechanical and Production Engineering Research and Development (IJMPERD ) (Vol.8, No. 2)Publication Date: 2018-04-30
Authors : Pankaj Jadhav B. R. Sridhar Madeva Nagaral Vijay Kumar. M; Jayasheel. I. Harti;
Page : 273-282
Keywords : A356 alloy; B C; Graphite; Mechanical Properties & Microstructure;
Abstract
This work investigated the influence of boron carbide and graphite on the microstructure and mechanical behavior of A356-B C and A356-Graphite composites. The investigation reveals the effectiveness of incorporation of B C 4 4 and Graphite in the A356 alloy for studying mechanical properties. The composites were fabricated using liquid metallurgy route. The A356- B C and A356-Graphite composites were fabricated separately by introducing 4 wt. % of B C 4 4 and graphite particulates. The characterization was performed through Scanning Electron Microscope and Energy Dispersive Spectrum. The particle distribution was uniform in these composites. The density, hardness, ultimate tensile strength, yield strength and percentage elongation of both B C and Graphite composites were evaluated. Further, a 4 comparative study has been made between the A356- B C and A356-Graphite composites. The B C and graphite addition 4 4 in the Al matrix proved to account for the dramatic change of the fracture mechanism of composites.
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