Please use this identifier to cite or link to this item: http://scholarbank.nus.edu.sg/handle/10635/13079
Title: Development of Advanced Materials Using Microwaves
Authors: WONG WAI LEONG, EUGENE
Keywords: Microwave sintering; Volumetric heating; Magnesium composites; Nano-reinforcements; SEM; Mechanical properties.
Issue Date: 17-Dec-2007
Source: WONG WAI LEONG, EUGENE (2007-12-17). Development of Advanced Materials Using Microwaves. ScholarBank@NUS Repository.
Abstract: This project focuses on the processing and development of metals and MMCs using microwaves. A unique approach to the sintering of metals and MMCs using hybrid microwave heating at high temperature without inert protective atmosphere was developed.Process evaluation revealed that microwave sintering can lead to a reduction of 86% in sintering time and energy savings up to 96% when compared to conventional sintering. A pioneering study carried out to sinter aluminum, magnesium and lead free solder using microwaves revealed overall enhanced properties over conventional materials.Magnesium composites reinforced with three different types of reinforcements were synthesized. These include: i) SiC, a microwave susceptor, ii) Al2O3, a microwave transparent material and iii) Cu, a metal conductor. All synthesized composites displayed improved properties over monolithic magnesium and conventionally processed materials. Mg/SiC and Mg/Al2O3 composites showed simultaneous improvement in strength and ductility while significant improvement in strength was observed in Mg/Cu composites.
URI: http://scholarbank.nus.edu.sg/handle/10635/13079
Appears in Collections:Ph.D Theses (Open)

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00 Title Page.pdf37.71 kBAdobe PDF

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00 Front Matter.pdf75.15 kBAdobe PDF

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01 Introduction.pdf40.39 kBAdobe PDF

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02 Literature Review.pdf313.94 kBAdobe PDF

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03 Experimental Procedures.pdf144.2 kBAdobe PDF

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04 Design and Fabrication.pdf765.35 kBAdobe PDF

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05 MgAlViromet.pdf823.29 kBAdobe PDF

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06 MgSiC.pdf1.25 MBAdobe PDF

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07 MgAl2O3.pdf2.37 MBAdobe PDF

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08 MgCu.pdf1.53 MBAdobe PDF

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09 Conclusions.pdf27.75 kBAdobe PDF

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10 Recommendations.pdf16.63 kBAdobe PDF

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11 Appendix A Supplementary Info.pdf125.95 kBAdobe PDF

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12 Appendix B Hybrid Composites.pdf1.23 MBAdobe PDF

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