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Metals
Special Issues
Electromagnetic Processing of Metals
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Electromagnetic Processing of Metals

A special issue of Metals (ISSN 2075-4701).

Deadline for manuscript submissions: closed (31 January 2022) | Viewed by 8314

Special Issue Editor

Assoc. Prof. Dr. Paolo Veronesi

E-Mail Website
Guest Editor
Universita degli Studi di Modena e Reggio Emilia, Department of Engineering ‘Enzo Ferrari’, Modena, Italy
Interests: microwave processing of materials;metallurgy;powder metallurgy;numerical simulation;materials engineering

Special Issue Information

Dear Colleagues,

Electromagnetic Processing of Materials (EPM) is a relatively new branch of materials science and engineering, with more than 40 years of history, originally meant to exploit specific phenomena occurring when applying electric and magnetic fields to materials. Phenomenological approaches to EPM date back to the eraly 1920’s and 30’s, with the invention of electromagnetic levitation and electromagnetic mixing. EPM involves resistance heating, dielectric heating, induction heating, UV or IR heating and electric arc heating, but more recently also field assisted sintering techniques ( FAST), like Spark Plasma Sintering, or the use of energy beams have entered the scope of EPM. When it comes to metals, EPM is usually exploited making use of the Lorentz Force for shape controlling, fluid driving but also making use of the direct conversion of the enrgy associated with the elcrcomagnetic field into heat. Some specific fields, like microwave processing of metals and metal-containing ores are nowadays experiencing a renewed interesest, as shown in the following figure.

text

Source: Scopus, serach with keywords Microwaves AND Metallurgy, but results can be much larger

This Special Issue will cover fundamental studies of electric and magnetic field - metals interaction, as well as applications of EPM to metallurgy (extractive metallurgy, preliminary operations, melting, sintering, metal powders production, thermochemical treatments,...) and emerging fields, like processing of intermetallics, high entropy alloys, metallic glasses and metal nanoparticles. Papers addressing dedicated equipment for electroheat applied to metallurgy, safety and environmetnal aspects of electromagnetic processing of metals are welcome as well. This special issue will be an update on the latest developments of the field and emerging applications.

Assoc. Prof. Dr. Paolo Veronesi
Guest Editor

Manuscript Submission Information

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. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short 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 thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Metals is an international peer-reviewed open access monthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2600 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • Electromagnetic processing
  • Induction
  • Microwave
  • FAST
  • Magnetic levitation
  • Arc melting
  • Laser processing
  • Electron beam processing
  • Resistance heating
  • Metallurgy
  • Ores
  • Powder metallurgy
  • Sintering
  • Melting
  • Synthesis
  • Nanoparticles
  • High entropy alloys
  • Intermetallics
  • Metallic glasses
  • Heat treatment

Published Papers (2 papers)

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Research

15 pages, 3040 KiB  
Article
High Temperature Dielectric Properties of Iron- and Zinc-Bearing Products during Carbothermic Reduction by Microwave Heating
by Beatriz García-Baños, Jose M. Catalá-Civera, Juan R. Sánchez, Laura Navarrete, Angel M. López-Buendía and Lukas Schmidt
Metals 2020, 10(5), 693; https://0-doi-org.brum.beds.ac.uk/10.3390/met10050693 - 25 May 2020
Cited by 10 | Viewed by 2906
Abstract
In this work, the carbothermic reduction of iron- and zinc-bearing products is studied through in situ microwave heating, dielectric properties monitoring, and mass spectrometry up to high temperatures (1000 °C). The results are correlated to the information provided by conventional analysis techniques such [...] Read more.
In this work, the carbothermic reduction of iron- and zinc-bearing products is studied through in situ microwave heating, dielectric properties monitoring, and mass spectrometry up to high temperatures (1000 °C). The results are correlated to the information provided by conventional analysis techniques such as differential scanning calorimetry (DSC) and thermogravimetry (TG). This combination allows a detailed study of seven different process stages with an accurate determination of the reaction temperatures, providing new evidence about the particular conditions of this microwave-driven reduction process. The presented results suggest that molecular vibrations imposed by the microwave field are presumably the reason for reactions taking place at lower temperatures than those observed in the conventional process. This work also explores the influence of other parameters, such as the apparent density or the amount of carbonaceous material, on the resulting dielectric properties, providing useful information for the development of a potential microwave industrial application in the metallurgy field. Full article
(This article belongs to the Special Issue Electromagnetic Processing of Metals)
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17 pages, 4794 KiB  
Article
A Novel Microwave and Induction Heating Applicator for Metal Making: Design and Testing
by Elena Colombini, Katia Papalia, Stefano Barozzi, Francesco Perugi and Paolo Veronesi
Metals 2020, 10(5), 676; https://0-doi-org.brum.beds.ac.uk/10.3390/met10050676 - 21 May 2020
Cited by 6 | Viewed by 4560
Abstract
The use of microwave heating in primary metallurgy is gaining an increasing interest due to the possibility to selectively process ores and to volumetrically heat large amounts of low-thermal conductivity minerals. In this paper the study, development and testing of a new applicator [...] Read more.
The use of microwave heating in primary metallurgy is gaining an increasing interest due to the possibility to selectively process ores and to volumetrically heat large amounts of low-thermal conductivity minerals. In this paper the study, development and testing of a new applicator combining the use of microwave and induction heating for rapid reduction of metal containing oxides is described. Numerical simulation was used in order to achieve the proper control over heat generation, considering the use of microwave solid state generators. A prototype, with a capacity up to 5 liters of standard input feed but with the predisposition for continuous processing has been designed, built and tested on reference loads like iron oxide powders and pellets. Results on the microwave heating part of the applicator indicate that it allows to efficiently and rapidly process these kinds of loads, which change from dielectric to conductors as reduction proceeds. The use of variable frequency solid state microwave generators allows to maximize energy efficiency and to controllably change the heating pattern inside the load. Full article
(This article belongs to the Special Issue Electromagnetic Processing of Metals)
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