Special Issue "Microwave Energy Applications"


A special issue of Technologies (ISSN 2227-7080).

Deadline for manuscript submissions: closed (31 December 2014)

Special Issue Editor

Guest Editor
Dr. Manoj Gupta
Materials Group, Department of Mechanical Engineering, NUS, 9 Engineering Drive 1, 117576 Singapore
Website: http://www.eng.nus.edu.sg/EResnews/0011/rd/rd_8.html
E-Mail: mpegm@nus.edu.sg
Phone: +65 6516 6358
Fax: +65 67791459
Interests: microwave processing; solidification processing; powder processing; light weight materials (aluminum and magnesium); composites/nanocomposites

Special Issue Information

Dear Colleagues,

Microwave technology is an energy saving futuristic technology applicable to many diverse fields and a variety of materials. It has emerged predominantly in several fields of Materials Science and Technology due to its manifold characteristic advantages (fast reaction rates and reduced processing temperatures) over conventional techniques. The heating of a sample being volumetric and fast, the MW processing modifies the structure and microstructure (e.g. size of nanoparticles) and can thus tailor the materials to obtain desired properties. Accordingly, this Special Issue aims to publish papers in the area of microwave energy applications related to techniques (such as single mode, multimode); materials (metals, polymers, ceramics, dielectric, magnetic, bioceramics, composites, bulk and thin films); and applications (such as metal production, sintering, waste processing, etc.).

Dr. Manoj Gupta
Guest Editor


Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. Papers will be published continuously (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are refereed through a peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Technologies is an international peer-reviewed Open Access quarterly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. For the first couple of issues the Article Processing Charge (APC) will be waived for well-prepared manuscripts. English correction and/or formatting fees of 250 CHF (Swiss Francs) will be charged in certain cases for those articles accepted for publication that require extensive additional formatting and/or English corrections.


  • microwaves
  • H-field
  • E-field
  • hybrid processing
  • sintering
  • melting
  • waste processing
  • metals
  • ceramics
  • polymers
  • nanoparticles
  • composites
  • minerals
  • waste processing

Published Papers (1 paper)

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Technologies 2015, 3(1), 1-18; doi:10.3390/technologies3010001
Received: 30 September 2014 / Revised: 4 December 2014 / Accepted: 7 January 2015 / Published: 20 January 2015
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Planned Papers

The below list represents only planned manuscripts. Some of these manuscripts have not been received by the Editorial Office yet. Papers submitted to MDPI journals are subject to peer-review.

Type of Paper: Review
Using Microwave Energy to Synthesise Light Weight/Energy Saving Magnesium Based Materials: A
Authors: W.L. Eugene Wong1 and Manoj Gupta2
1 School of Mechanical & Systems Engineering, Newcastle University International Singapore, 180 Ang Mo Kio Ave 8, Singapore 569830; E-Mail: eugene.wong@newcastle.ac.uk
2 Department of Mechanical Engineering, National University of Singapore, 9 Engineering Drive 1, Singapore 117576; E-Mail: mpegm@nus.edu.sg
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 be also be discussed and compared with magnesium composites processed by conventional liquid and solid processing techniques.
Keywords: microwave sintering; magnesium composites; microstructure; mechanical properties

Last update: 7 July 2014

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