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Special Issue "Advanced Magnesium Alloys: Processing, Microstructure, Property Control, and Sectors of Fabrication Technologies"

A special issue of Materials (ISSN 1996-1944). This special issue belongs to the section "Metals and Alloys".

Deadline for manuscript submissions: 20 July 2023 | Viewed by 1169

Special Issue Editors

College of Materials Science and Engineering, Taiyuan University of Technology, No. 79, West Yingze Street, Taiyuan, China
Interests: magnesium alloys; microstructure; texture; processing technology; corrosion; mechanical properties; degradable sectors
Special Issues, Collections and Topics in MDPI journals
Institute for Advanced Studies in Precision Materials, Yantai University, Yantai 264005, China
Interests: advanced magnesium alloys; processing technologies; biomedical applications of magnesium alloys; corrosion; mechanical properties; surface treatments; fabrication; larger scale engineering products; small size degradable sectors
Hunan Provincial Key Laboratory of High Efficiency and Precision Machining of Difficult-to-Cut Material, Hunan University of Science and Technology, Xiangtan 411201, China
Interests: magnesium; severe plastic deformation; microstructure; grain refinement; mechanical properties
School of Materials Science and Engineering, Xiangtan University, Xiangtan 411105, China
Interests: magnesium; microstructure; corrosion properties; surface coating
Department of Mechanical and Materials Engineering Education, Chungnam National University, Daejeon 34134, Korea
Interests: magnesium alloys; surface treatments; laser processing; micro/nano processing; electrochemical studies; corrosion

Special Issue Information

Dear Colleagues,

As the lightest metal structural material, magnesium alloys have attracted the interest of those in the automotive, aerospace, 3C electronics industries, home appliances, and biodegradable devices fields in recent years. However, the properties of Mg alloys are usually poor, including mechanical properties and corrosion residence due to their crystal structure. Approaches to improve the relative properties are urgent required to be developed, including those regarding new processing technologies, new alloy design, texture control, and surface treatment (such as that regarding coating, micro-arc oxidation, and laser).

Finally, methods to produce Mg alloys with high-quality properties are also necessary for the fabrication sectors to promote the use of Mg alloys in industrial applications, such as large-scale engineering structure products (such as automobiles, aircrafts, and 3C electronics), manufacturing technologies (such as casting, extrusion, forging, stamping, additive manufacturing, and 3D printing), small size biodegradable devices (such as vascular stents, wires, and bone nails), and processing techniques (such as those regarding tube extrusion, draw, laser cutting, and powder metallurgy).

Thus, this Special Issue aims to publish the latest high-quality research results on advanced Mg alloy processing and property control technologies, including mechanical and corrosion properties. Furthermore, research regarding the Mg alloys sectors’ manufacturing and processing techniques are welcomed strongly. Short communications, reviews, and regular length original articles are acceptable.

Dr. Lifei Wang
Prof. Dr. Hua Zhang
Prof. Dr. Liwei Lu
Dr. Fugang Qi
Dr. Srinivasan Arthanari
Guest Editors

Manuscript Submission Information

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Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2300 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

  • advanced magnesium alloys
  • processing technologies
  • biomedical applications of magnesium alloys
  • corrosion
  • mechanical properties
  • surface treatments
  • fabrication
  • larger scale engineering products
  • small size degradable sectors

Published Papers (2 papers)

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Research

Article
Effect of Heat Treatment on the Dry Sliding Wear Behavior of the Mg-3Zn-0.4Ca Alloy for Biodegradable Implants
Materials 2023, 16(2), 661; https://doi.org/10.3390/ma16020661 - 10 Jan 2023
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Abstract
The wear behavior of the Mg-3wt.% Zn-0.4wt.% Ca (ZX30) alloy was tested using a pin-on-disc configuration with AZ31 alloy discs as counterparts under dry sliding conditions. The ZX30 alloy was tested in different states: as-cast, solution-treated, peak-aged, and over-aged. Wear rates and friction [...] Read more.
The wear behavior of the Mg-3wt.% Zn-0.4wt.% Ca (ZX30) alloy was tested using a pin-on-disc configuration with AZ31 alloy discs as counterparts under dry sliding conditions. The ZX30 alloy was tested in different states: as-cast, solution-treated, peak-aged, and over-aged. Wear rates and friction coefficients were measured at different loads and sliding speeds. Abrasion and oxidation were the main wear mechanisms found in all the conditions tested. Moreover, aluminum oxides were detected on the worn surfaces, which indicates the presence of an adhesive wear mechanism. The wear behavior of the studied ZX30 alloy showed a greater tendency towards oxidative wear than other Mg alloys, and the microstructure observed strongly affected the wear behavior. Full article
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Article
Microstructure and Mechanical Properties of As-Aged Mg-Zn-Sn-Mn-Al Alloys
Materials 2023, 16(1), 109; https://doi.org/10.3390/ma16010109 - 22 Dec 2022
Viewed by 478
Abstract
The microstructure and mechanical properties of as-aged Mg-6Zn-4Sn-1Mn-xAl (ZTM641-xAl, x = 0, 0.2, 0.5, 1, 2, 3 and 4 wt.%) alloys are studied in this paper. In terms of microstructure, the results reveal that the addition of Al mainly leads to the formation [...] Read more.
The microstructure and mechanical properties of as-aged Mg-6Zn-4Sn-1Mn-xAl (ZTM641-xAl, x = 0, 0.2, 0.5, 1, 2, 3 and 4 wt.%) alloys are studied in this paper. In terms of microstructure, the results reveal that the addition of Al mainly leads to the formation of the Al8Mn5, Al11Mn4, Al2Mg5Zn2 and Mg32(Al,Zn)49 phases. With increases in the addition of Al, the average grain size first decreases and then increases, while the undissolved phases increase. The average grain size of the ZTM641-0.5Al alloy is the smallest, and the single-aged and double-aged grain size is 14 μm and 12 μm, respectively. As for mechanical properties, with increases in the Al element, the strength decreases, and the elongation first increases and then decreases. The double-aged ZTM641-0.2Al alloy exhibits favorable mechanical properties at room temperature, and the UTS, YS and elongation are 384 MPa, 360 MPa and 9%, respectively. Further, the double-aged ZTM641-0.2Al alloy exhibits the comprehensive mechanical properties at 150 °C, that is, the UTS, YS and elongation are 212 MPa, 196 MPa and 29%, respectively, which is about 45% higher than that of the elongation of ZTM641. The ZTM641-xAl alloys exhibits mixed fracture at room temperature, and, with increases in the addition of Al, the fracture mechanisms of alloys are mixed fracture, ductile fracture and mixed fracture at 200 °C. Full article
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