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Powder Metallurgy Processing of Aluminum Matrix Reinforced with Carbon Nanoubes

Mas'od, Muhammad Azlan (2011) Powder Metallurgy Processing of Aluminum Matrix Reinforced with Carbon Nanoubes. Universiti Teknologi Petronas. (Unpublished)

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Abstract

Carbon nanotubes have been used as reinforcing agents in materials because of their exceptional mechanical properties. For the project, the objective is to evaluate the mechanical and physical properties of aluminum matrix reinforced with carbon nanotube produced by powder metallurgical processing. In addition of carbon nanotubes in aluminum, it is predicted to affect wear performances to monolithic aluminum alloys. The hardness of the composite also will be studied. Since carbon particles are lighter than metallic alloys in term of its density, aluminum-carbon nanotube composites are expected to reduce the density of the components. In order to investigate the influence of properties, two kinds of materials will be involved which are aluminum matrix reinforced with carbon nanotubes and the aluminum composite itsel£ The aluminum and carbon nanotubes powders will be mixed using ball mill machine in various compositions which are 2 wt%, 4 wt%, 6 wt%, 8 wt% and will be compacted at suitable pressure. The sintered products then will be prepared for analyzing. The sample will be prepared with regard to the standard of ASTM B925. Microstructure, physical and mechanical properties and density ofthe said materials will be analyzed by using Field Emission Scanning Electron Microscope (FESEM), Energy Dispersive Xray Analysis (EDX), X-Ray Diffraction (XRD) and density measurement instrument. The Vickers Hardness Testing will be use to evaluate the hardness of the composite as per ASTM E92-82 wear characteristics follow the standard of ASTM Standard G99 (Eyre, 1991) using DUCOM Multi Specimen Tester. The nanotubes content affects significantly mechanical properties of composites. The 2.0 wt. % CNTs is found to exhibit the highest hardness strength and the best weight loss. The maximal increment of hardness strength and weight loss of the composite, compared with the pure aluminum matrix is 85% and 8%, respectively.

Item Type: Final Year Project
Academic Subject : Academic Department - Mechanical Engineering - Materials - Engineering materials - Composites material - Nanocomposites
Subject: T Technology > TJ Mechanical engineering and machinery
Divisions: Engineering > Mechanical
Depositing User: Users 2053 not found.
Date Deposited: 09 Oct 2013 11:07
Last Modified: 25 Jan 2017 09:42
URI: http://utpedia.utp.edu.my/id/eprint/8326

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