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Technologies 2015, 3(1), 1-18; doi:10.3390/technologies3010001

Using Microwave Energy to Synthesize Light Weight/Energy Saving Magnesium Based Materials: A Review

1
School of Mechanical and Systems Engineering, Newcastle University International Singapore, 180 Ang Mo Kio Ave 8, Singapore 569830, Singapore
2
Department of Mechanical Engineering, National University of Singapore, 9 Engineering Drive 1, Singapore 117576, Singapore
These authors contributed equally to this work.
*
Author to whom correspondence should be addressed.
Academic Editor: Luciano Feo
Received: 30 September 2014 / Revised: 4 December 2014 / Accepted: 7 January 2015 / Published: 20 January 2015
(This article belongs to the Special Issue Microwave Energy Applications)
View Full-Text   |   Download PDF [6367 KB, uploaded 20 January 2015]   |  

Abstract

Microwave energy can be used for the processing of a wide variety of materials. It is used most commonly for the heating of food and has been increasingly applied for processing of polymers; ceramics; metals; minerals and composites. The use of microwave energy allows rapid and volumetric heating where heat is generated from within the material instead of via radiative heat transfer from external heating elements. This paper aims to provide a review on the use of energy efficient and environment friendly microwave energy route to synthesize magnesium based materials reinforced with various types of metallic and ceramic reinforcements. Magnesium composites are extremely attractive for weight critical applications in automotive; aerospace; electronics and transportation sectors. The magnesium composites were prepared using blend—compact—microwave sintering—extrusion methodology. Microwave sintering allowed a significant reduction of 80% in both processing time and energy consumption over conventional sintering without any detrimental effect on the properties of the synthesized magnesium composites. Physical; microstructure and mechanical properties of microwave sintered magnesium composites will also be discussed and compared with magnesium composites processed by conventional liquid and solid processing techniques. View Full-Text
Keywords: microwave sintering; magnesium composites; microstructure; mechanical properties microwave sintering; magnesium composites; microstructure; mechanical properties
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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Wong, W.L.E.; Gupta, M. Using Microwave Energy to Synthesize Light Weight/Energy Saving Magnesium Based Materials: A Review. Technologies 2015, 3, 1-18.

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