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) 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.
Highlights
In today’s world of rapidly developing technology, scientists and engineers are creating new materials which are stronger and lightweight that can be used in various industries to enhance their efficiency and production
Stir casting method is generally employed for fabrication of particulate reinforced metal matrix composite (PMMC)
Subrata Kumar Ghosh & Partha Saha discovered that crack density and wear performance of SiC particulate (SiCp) reinforced Al-based metal matrix composite (AlMMC) fabricated by direct metal laser sintering (DMLS) process have been studied
Summary
In today’s world of rapidly developing technology, scientists and engineers are creating new materials which are stronger and lightweight that can be used in various industries to enhance their efficiency and production. The many component materials and different processes that can be used make composites extremely versatile and efficient They typically result in lighter, stronger, more durable solutions compared to traditional materials. MMCs are a perfect example of new metals which were created to enhance properties of parent materials. They are metals or alloy reinforced with particles or fibers of some different metal or material. Stir casting method is generally employed for fabrication of particulate reinforced metal matrix composite (PMMC). It is a primary procedure of composite production whereby the reinforcement ingredient material is incorporated into the molten metal by stirring. The shorter tubes are less likely to entangle and arrange into aggregates
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