Please use this identifier to cite or link to this item: http://scholarbank.nus.edu.sg/handle/10635/13792
Title: Effect of size and volume fraction of reinforcement on the properties of light metals
Authors: HO KAO FENG, CALVIN
Keywords: Aluminium, Alumina, Nanocomposites, Extrusion, Microstructure, Mechanical Properties
Issue Date: 21-Apr-2004
Source: HO KAO FENG, CALVIN (2004-04-21). Effect of size and volume fraction of reinforcement on the properties of light metals. ScholarBank@NUS Repository.
Abstract: This study addresses the feasibility of synthesizing nanometric alumina reinforced aluminium composites using the innovative disintegrated melt deposition (DMD) technique and the effect of reinforcement size and volume fraction on the microstructural and mechanical properties of aluminium.The effect of extrusion temperatures (Phase I) and extrusion ratios (Phase II) on the microstructure and mechanical properties of aluminium was investigated to obtain optimum parameters for the subsequent processing of aluminium-based composites.Varying amounts of magnesium were added to the aluminium matrix to investigate the wettability of nanometric (0.05 micron) alumina particulates in Al-Mg (Phase III). An attempt was made to correlate the magnesium content of the matrix to the alumina incorporation and, microstructural and mechanical properties of the composite.Alumina particulates in sizes of 0.05 micron, 0.3 micron, 1 micron and 10 micron were added to an Al-Mg matrix to investigate the effect of reinforcement size on the microstructural and mechanical properties of Al-Mg (Phase IV).
URI: http://scholarbank.nus.edu.sg/handle/10635/13792
Appears in Collections:Master's Theses (Open)

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