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Metals
Special Issues
Lightweight Metals Processing and Technology
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Lightweight Metals Processing and Technology

A special issue of Metals (ISSN 2075-4701). This special issue belongs to the section "Metal Casting, Forming and Heat Treatment".

Deadline for manuscript submissions: closed (31 August 2022) | Viewed by 4908

Special Issue Editor

Prof. Dr. Juan Wang

E-Mail Website
Guest Editor
Key Laboratory for Liquid-Solid Structural Evolution and Processing of Materials (Ministry of Education), Shandong University, Jinan, 250061, China
Interests: lightweight metals; hot forming technology; alloying design; numerical simulation; microstructural characterization

Special Issue Information

Dear Colleagues,

In the field of non-ferrous metal structural materials, light weight, high strength, super-size, high temperature resistance, and corrosion resistance will be the development aims of the future. The properties of new lightweight alloys meet this development trend.

With the rapid development of aerospace, rail transit and automobile, the design of lightweight components will constitute a strong demand for lightweight metals. The expansion of the range of lightweight metals with excellent performances suitable for industrial manufacturing requires extensive research to establish processes, structures, properties, and applications.

As the metal alloying process becomes increasingly advanced, the performance of composite lightweight metals is improving, requiring the accumulation of applications in the manufacturing of lightweight structures. There are many methods of computation, numerical simulation, experiments, and predication used in the investigation of new lightweight metals.

This Special Issue is dedicated to the latest research related to the study of process and technology of lightweight metals. Research achievements in industrial application as well as fundamental research articles are welcome.

Prof. Dr. Juan Wang
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

  • Lightweight metals
  • Processing technology
  • Alloying design
  • Microstructural performance
  • Computer modeling methods
  • Metallurgical fundamental
  • Equipment development

Published Papers (2 papers)

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Research

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12 pages, 1462 KiB  
Article
Effect of Roll Material on Strip Solidification between the Rolls of a Vertical-Type High-Speed Twin-Roll Caster
by Toshio Haga and Yukihiro Kurahashi
Metals 2022, 12(10), 1699; https://doi.org/10.3390/met12101699 - 11 Oct 2022
Cited by 4 | Viewed by 1400
Abstract
Tool steel for hot working is usually used for the rolls of conventional twin-roll casters for aluminum alloys. In a vertical high-speed twin-roll caster, copper rolls are used to rapidly solidify the aluminum alloys and to increase the casting speed, since the thermal [...] Read more.
Tool steel for hot working is usually used for the rolls of conventional twin-roll casters for aluminum alloys. In a vertical high-speed twin-roll caster, copper rolls are used to rapidly solidify the aluminum alloys and to increase the casting speed, since the thermal conductivity of copper is higher than that of tool steel. However, the degree of superiority of copper rolls over steel rolls is not clear. In the present study, the effect of the roll material on strip solidification between the rolls of a vertical high-speed twin-roll caster was investigated by inserting a thermocouple in the strip during casting. The Al-4.8%Mg alloy was used, since it does not stick to the steel rolls in the absence of a parting material. Both copper rolls and mild steel rolls were used. The cooling rate, the supercooling of the liquidus temperature, and the temperature of the strip cast using the copper rolls were superior to those of that cast using the mild steel rolls. The copper rolls were better than the steel rolls in terms of achieving high-speed roll casting, rapid solidification of the strip, and high productivity. Full article
(This article belongs to the Special Issue Lightweight Metals Processing and Technology)
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Review

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21 pages, 8578 KiB  
Review
Austenite-Based Fe-Mn-Al-C Lightweight Steels: Research and Prospective
by Hua Ding, Degang Liu, Minghui Cai and Yu Zhang
Metals 2022, 12(10), 1572; https://doi.org/10.3390/met12101572 - 22 Sep 2022
Cited by 11 | Viewed by 3174
Abstract
Fe-Mn-Al-C lightweight steels have been investigated intensely in the last a few years. There are basically four types of Fe-Mn-Al-C steels, ferritic, ferrite-based duplex/triplex (ferrite + austenite, ferrite + austenite + martensite), austenite-based duplex (ferrite + austenite), and single-austenitic. Among these steels, austenite-based [...] Read more.
Fe-Mn-Al-C lightweight steels have been investigated intensely in the last a few years. There are basically four types of Fe-Mn-Al-C steels, ferritic, ferrite-based duplex/triplex (ferrite + austenite, ferrite + austenite + martensite), austenite-based duplex (ferrite + austenite), and single-austenitic. Among these steels, austenite-based lightweight steels generally exhibit high strength, good ductility, and outstanding weight reduction effects. Due to the addition of Al and high C content, κ’-carbide and κ-carbide are prone to form in the austenite grain interior and at grain boundaries of lightweight steels, respectively, and play critical roles in controlling the microstructures and mechanical properties of the steels. The microstructural evolution, strengthening mechanisms, and deformation behaviors of these lightweight steels are quite different from those of the mild conventional steels and TRIP/TWIP steels due to their high stacking fault energies. The relationship between the microstructures and mechanical properties has been widely investigated, and several deformation mechanisms have also been proposed for austenite-based lightweight steels. In this paper, the current research works are reviewed and the prospectives of the austenite-based Fe-Mn-Al-C lightweight steels are discussed. Full article
(This article belongs to the Special Issue Lightweight Metals Processing and Technology)
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