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Metals
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Recent Advances in Forming Processes of Lightweight Metals
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Recent Advances in Forming Processes of Lightweight Metals

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 December 2025) | Viewed by 634

Special Issue Editor

Prof. Dr. Tatsuhiko Aizawa

E-Mail Website
Guest Editor
Surface Engineering Design Laboratory, Shibaura Institute of Technology, Tokyo 144-0045, Japan
Interests: metals and alloys; metal forming process; forging of metals and alloys
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Lightweight metals (e.g., aluminum, magnesium, titanium, and their alloys) are highlighted as a sustainable material that has the ability to reduce environmental burdens as a result of their application in electric vehicles, aircrafts, trains, etc., in addition to their recyclability. A low energy consumption and high functionality is needed in casting and recycling. Environmentally friendly forming processes are used to minimize the quantity of lubricants that are used. High cost-competitiveness is required to reduce the number of steps in fabrication, as well as to avoid adhesive wear. 

In this Special Issue, we welcome articles that focus on the following areas:

  • Casting: Direct fabrication of fine-grained titanium via highly conductive crucibles.
  • Extrusion: Direct recycling of used drag-packing aluminum sheets to product via advanced extrusion.
  • Application: Fabrication of medical magnesium clips for degradation after surgical preparations.
  • Forming: Gelling-free, dry, and near-net shaping of titanium eyeglass frame parts.

Prof. Dr. Tatsuhiko Aizawa
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 250 words) can be sent to the Editorial Office for assessment.

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

  • aluminum
  • magnesium
  • titanium
  • advanced casting
  • high-grade extrusion
  • near-net shaping
  • dry forming
  • environmentally friendliness
  • coating
  • surface treatment

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Further information on MDPI's Special Issue policies can be found here.

Published Papers (1 paper)

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Research

19 pages, 4052 KB  
Article
Microstructure and Wear Resistance of (Mg2Si + SiCp)/Al Composites
by Dekun Zhou, Xiaobo Liu and Miao Yang
Metals 2026, 16(1), 111; https://doi.org/10.3390/met16010111 - 18 Jan 2026
Viewed by 358
Abstract
The microstructure and wear behaviors of Mg2Si/Al composites with 0 wt.%, 5 wt.%, and 10 wt.% SiC particles were studied using XRD, OM observation, SEM observation, EDS analysis, an extraction experiment, a hardness test, and the dry sliding wear test. It [...] Read more.
The microstructure and wear behaviors of Mg2Si/Al composites with 0 wt.%, 5 wt.%, and 10 wt.% SiC particles were studied using XRD, OM observation, SEM observation, EDS analysis, an extraction experiment, a hardness test, and the dry sliding wear test. It is shown by the results that after the addition of 10 wt.% SiC particles, the population of primary Mg2Si particles increased, while the mean size of these particles reduced from 40 ± 10 μm (in the SiC-free composite) to 25 ± 8 μm. Both the matrix and the eutectic structure were refined. The tetrakaidecahedral morphologies of Mg2Si crystals were confirmed by the results of extraction tests. The wear test results with GCr15 steel as the friction pair show that the Mg2Si/Al composite with 10 wt.% SiC particles displayed more favorable wear resistance than the specimens with 0 wt.% and 5 wt.% SiC particle additions under both constant load and constant sliding velocity conditions. Under applied loads of 10 N, 20 N, and 30 N at a fixed sliding speed of 300 r/min, the wear rate of the Mg2Si-Al composites reinforced with 10 wt.% SiC particles was 36.01%, 48.29%, and 23.32% lower than that of the SiC-free composites, respectively. When the sliding speed was set to 300 r/min, 550 r/min, 750 r/min, and 1000 r/min under a constant applied load of 20 N, the wear rate of the 10 wt.% SiC-reinforced Mg2Si-Al composites was reduced by 40.37%, 40.87%, 26.20%, and 25.78%, respectively, compared with the SiC-free counterparts. The wear failure mechanisms of (Mg2Si + SiCP)/Al composites were mainly adhesive wear and abrasive wear, but the proportion of oxidation wear increased after the addition of the SiC particles. Full article
(This article belongs to the Special Issue Recent Advances in Forming Processes of Lightweight Metals)
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