ABSTRACT
AA6082 matrix hybrid composites reinforced with different weight percentages (wt. %) of (SiC + Gr) ceramic particulates by conventional stir casting process is manufactured. The weight percentage of ceramic powder is varied from 4 wt. % to 12 wt. % in a stage of 4 wt. %. The microstructures, physical properties such as density and porosity, as well as mechanical properties like hardness and tensile strength of the fabricated hybrid composites, are analysed. The optical micrographs reveal the uniform distribution of (SiC + Gr) ceramic particulates in the aluminium matrix. Density and porosity of hybrid composite increases from 2.69 to 2.75 g/cm3 and 0.37% to 1.23% with increase in weight percentage of (SiC + Gr) ceramic particulates in the aluminium matrix from 0 wt. % to 12 wt. % respectively. Both the hardness and ultimate tensile strength have enhanced from 52 to 84 VHN and 163 to 189 MPa, respectively, with a reduction in percentage elongation from 8.6 to 5.2 with rise in weight percentage of (SiC + Gr) ceramic particulates in the aluminium matrix from 0 wt. % to 12 wt. %, respectively.
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Notes on contributors
Pardeep Sharma
Dr. Pardeep Sharma working as Assistant professor in department of mechanical engineering at Panipat Institute of Engineering and Technology, Panipat, India. He is having 12 years of experience. His research area includes Metal matrix composites, ball milling, friction stir welding and processing, bio-materials.
Krishan Paliwal
Dr. Krishan Paliwal working as Professor in department of mechanical engineering at Panipat Institute of Engineering and Technology, Panipat, India. He is having 25 years of experience. His research area includes Metal matrix composites, Photo-voltaic cells.
Vishal Dabra
Er. Vishal Dabra working as Assistant professor in department of mechanical engineering at Panipat Institute of Engineering and Technology, Panipat, India. He is having 8 years of experience. His research area includes Metal matrix composites, Evacuated tube, PV cells.
Satpal Sharma
Dr. Satpal Sharma working as Assistant professor in department of mechanical engineering at Gautam buddha university, Greater Noida, India. He is having 20 years of experience. His research area includes Metal matrix composites, ball milling, friction stir welding and processing, thermal spray coating.
Neeraj Sharma
Dr. Neeraj Sharma working as Associate professor in department of mechanical engineering at maharishi markendswar university, ambala, India. He is having 10 years of experience. His research area includes Metal matrix composites, ball milling, friction stir welding and processing, bio-materials.
Gurpreet Singh
Dr. Gurpreet Saini working as Assistant professor in department of mechanical engineering at Amity university, Greater Noida, India. He is having 10 years of experience. His research area includes Metal matrix composites, ball milling, friction stir welding and processing, bio-materials.