Abstract
Composite materials play a major role in our automobile industries. The objective of the investigation is to fabricate a composite material which will be used as an alloy wheels in automobile vehicles. Existing alloy wheels used in vehicles nowadays includes aluminium alloys, aluminium nickel alloys, magnesium, steel, etc. These alloy wheels possess less fatigue, less thermal conductivity which in turn has less heat dissipation and also has less strength to withstand stress when it is allowed to impact with some load. In the proposed study, three metals which are combined to form a metal matrix composite that includes aluminium 6063, copper and gun metal. Aluminium is chosen because of its less weight. Copper is chosen because of its ability to dissipate heat quickly. Gun metal for its ability to with stand stress. The composite material is fabricated using Stir casting process which uses an induction furnace. The specimens are subjected to tensile test and hardness test using UTM (Universal Testing Machine) and Hardness tester respectively. From the result it is found that the tensile strength and hardness of the material increases with increasing in the addition of copper and gun metal.
Highlights
The particulate metal-matrix composites are extensively used for tribological applications due to excellent wear resistance especially during sliding as well as its ability to withstand high stress, low density and their ability to carry higher loads
The particulate reinforced metal matrix composite has been used to improve the strength of the alloy wheels used in automobile vehicles
Aluminium alloy with reinforcing particulates increased the hardness of the material
Summary
The particulate metal-matrix composites are extensively used for tribological applications due to excellent wear resistance especially during sliding as well as its ability to withstand high stress, low density and their ability to carry higher loads. The particulate reinforced metal matrix composite has been used to improve the strength of the alloy wheels used in automobile vehicles. Aluminium alloy with reinforcing particulates increased the hardness of the material. Severe problems were raised in order to dissipate the heat due to the friction between wheels. The study of hardness and tensile strength of composites at different stages has attracted attention in the past years. It has been found that oxidation layer formed during the time of heating dissipation. Temperature plays a major role in the metal matrix composites. Such interest on MMC by the researchers leads to the fabrication and testing of several composite materials with different properties
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