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Characterisation of Aluminium Based Hybrid Metal Matrix Composites Produced by Stir Casting Method

Author(s):

Shashank Dewangan , Bhilai Institute of Technology, Durg, India ; Dr. S. K. Ganguly, Bhilai Institute of Technology, Durg, India ; Dr. R. Banchhor, Bhilai Institute of Technology, Durg, India

Keywords:

Metal Matrix Composites; Titanium Dioxide; Al 6061; Stir Casting; Hardness Test; SEM; Tensile Test

Abstract

Aluminium Hybrid Composites are the new group of metal matrix composites (MMCs) due to their attractive properties like high ductility, high conductivity, light weight and high strength to weight ratio and is a response to the dynamic ever-increasing demand of these super material in the field of aircrafts and marines. Carbon Nanotube (CNTs) are also known for their high strength and stiffness and their low density which when combined together makes CNTs an ideal reinforcement. This work briefly reviews the research revelation of an Aluminium (Al-6061, 99% pure) based hybrid metal matrix composite reinforced with CNTs and TiO2. The Hybrid Aluminium Metal Matrix Composites (AMMCs) is prepared with various CNTs weight percentages (0, 0.5, 1 and 1.5 wt. %) and keeping TiO2 weight percentage fixed to 1%.Stir Casting (SC) is focused in general to successfully fabricate the MMCs. The discussion of this work revolves around tensile test, hardness test, and Scanning Electron Microscope (SEM) of the MMC. The mechanical properties of the fabricated MMCs materials like tensile strength, hardness and impact strength is found by using these experimental methods. It has been observed that the tensile strength of the MMCs increases in the presence of TiO2 and CNTs and increases even more with the increase in the weight fraction of CNTs. Same results have been obtained for hardness and impact strength where there is an increase in them in the presence of TiO2 and CNT and their value increases even further with increase in weight fraction of CNTs.

Other Details

Paper ID: IJSRDV6I40913
Published in: Volume : 6, Issue : 4
Publication Date: 01/07/2018
Page(s): 1133-1136

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