Microstructure Evolution and Mechanical Properties of Magnesium Alloys—2nd Edition

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

Deadline for manuscript submissions: 31 December 2024 | Viewed by 1107

Special Issue Editor

School of Materials and Energy, Southwest University, Chongqing 400715, China
Interests: magnesium alloys; texture; deformation mechanism; mechanical properties; twinning behavior; gradient microstructure; precipitation behavior
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Magnesium alloys have attractive properties such as high specific strength, high specific stiffness, and recyclability. Because of these characteristics, magnesium alloys are increasingly used in automotive, aviation, aerospace, electronics, and other consumer products. This also places a great demand on the mechanical properties of magnesium alloys.

The mechanical properties of magnesium alloys are closely related to their microstructure, including grain size, texture, precipitates, alloying elements, etc. In order to obtain the expected performance, a large number of scholars have devoted themselves to the development of new alloys and new processing technologies (including casting technology, plastic processing technology, powder metallurgy, 3D printing, etc.) to tailor these microstructures.

The aim of this Special Issue is to provide an open platform to share the latest research results in the development of high-performance magnesium alloys. This Special Issue covers original research and review articles on recent advances in alloy design, microstructure modification, processing technology, deformation mechanism, and computer simulation.

Dr. Bo Song
Guest Editor

Manuscript Submission Information

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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

  • magnesium alloys
  • magnesium matrix composites
  • development of new alloys
  • new processing technologies
  • microstructure
  • mechanical properties

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Published Papers (1 paper)

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17 pages, 12828 KiB  
Article
Microstructure and Texture Evolution of Hot-Rolled Mg-3Gd Alloy during Recrystallization
by Fang Han, Hanxi Wang, Xuan Luo, Ziyong Hou, Guilin Wu and Xiaoxu Huang
Metals 2023, 13(7), 1216; https://doi.org/10.3390/met13071216 - 30 Jun 2023
Viewed by 986
Abstract
An Mg-3Gd (wt.%) sample with gradient rolling strains (ε = 0–0.55) was prepared using a wedge-shaped plate after one-pass hot rolling, allowing a high-throughput characterization of microstructure and texture over a wide strain range within one hot-rolled plate. The microstructure and texture evolutions [...] Read more.
An Mg-3Gd (wt.%) sample with gradient rolling strains (ε = 0–0.55) was prepared using a wedge-shaped plate after one-pass hot rolling, allowing a high-throughput characterization of microstructure and texture over a wide strain range within one hot-rolled plate. The microstructure and texture evolutions were characterized as a function of rolling strain for the as-hot-rolled sample and as a function of annealing temperature for the subsequently annealed samples. The deformed microstructure showed a gradual change with increasing rolling strain, i.e., from a deformation twins-dominant structure in the low strain range of 0–0.20, to a shear bands-dominant structure in the higher strain range of 0.20–0.55. The recrystallization behavior during annealing showed a clear correlation between the recrystallization nucleation site and the deformed microstructure. However, a weak recrystallization texture with non-basal texture components was formed over almost the entire strain range. This work demonstrates a high-throughput experimental strategy using a wedge-shaped sample to investigate the effect of various processing parameters, such as strain and annealing temperature, on the evolution of microstructure, texture, and mechanical properties, which could accelerate the optimization of processing parameters and microstructural design. Full article
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