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Metals
Special Issues
Processing, Microstructure, and Properties of Nonferrous Metals and Alloys
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Processing, Microstructure, and Properties of Nonferrous Metals and Alloys

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

Deadline for manuscript submissions: 31 October 2025 | Viewed by 858

Special Issue Editors

Prof. Dr. Hao Wang

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Guest Editor
Institute of Metal Research, Chinese Academy of Sciences, Shenyang 110004, China
Interests: materials genome engineering; additive manufacturing; nonferrous metals and alloys; integrated computation; mechanical property
Special Issues, Collections and Topics in MDPI journals
Dr. Aihan Feng

E-Mail Website
Guest Editor
Department of Material Science and Engineering, Tongji University, Shanghai, China
Interests: titanium alloys; intermetallic alloys; characterization
Special Issues, Collections and Topics in MDPI journals
Dr. Zhenbo Zhang

E-Mail Website
Guest Editor
Center for Adaptive System Engineering, ShanghaiTech University, Shanghai, China
Interests: Ni alloys; Ti alloys; advanced characterization; mechanical behavior; additive manufacturing
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

This Special Issue is a continuation and expansion of “Heat Treatment, Microstructure and Properties of Nonferrous Metals and Alloys”. Nonferrous metals and alloys are groups of high-performance materials with outstanding physical and mechanical properties; they are widely used in the aerospace, automotive, marine, chemical and biomedical industrial sectors. The microstructure and properties of nonferrous alloys are mainly governed by their fabrication and thermomechanical processing routes. Therefore, an in-depth understanding of the relationship between the processing, microstructure and properties of nonferrous alloys is necessary to optimize their performance and ensure confidence in engineering applications.

In this Special Issue, we accept papers covering both experimental and simulation work on the processing, microstructure and properties of nonferrous alloys, including, but not limited to, Ti alloys, Al alloys, Mg alloys, Ni alloys, Zr alloys, Hf alloys, Cu alloys, etc. We aim to collect a wide range of articles on the relationship between the characteristics of these alloys. Research papers, reviews, and short communications are welcome.

Prof. Dr. Hao Wang
Dr. Aihan Feng
Dr. Zhenbo Zhang
Guest Editors

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

  • processing
  • microstructure
  • metals and alloys
  • mechanical property
  • modeling and simulation
  • characterization

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Published Papers (1 paper)

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Research

17 pages, 15452 KiB  
Article
Influence of Heat Treatment on the Microstructure and Mechanical Properties of FeCoNiCrMn High-Entropy Alloy Manufactured via Laser Powder Bed Fusion
by Jiahong Liang, Guoxing Zhu, Jingli Sun, Shoujiang Qu, Jianzhong Jiang, Guojian Cao, Hao Wang, Jun Shen, Aihan Feng and Daolun Chen
Metals 2025, 15(3), 260; https://doi.org/10.3390/met15030260 - 28 Feb 2025
Viewed by 581
Abstract
Laser powder bed fusion (L-PBF), as one of the additive manufacturing (AM) or 3D printing techniques, has been widely used for the net-shape fabrication of high-entropy alloys (HEAs). However, microstructural defects are often present in the FeCoNiCrMn high-entropy alloy fabricated via L-PBF, which [...] Read more.
Laser powder bed fusion (L-PBF), as one of the additive manufacturing (AM) or 3D printing techniques, has been widely used for the net-shape fabrication of high-entropy alloys (HEAs). However, microstructural defects are often present in the FeCoNiCrMn high-entropy alloy fabricated via L-PBF, which necessitate subsequent heat treatment for optimization. In this study, FeCoNiCrMn HEA samples were fabricated using L-PBF and subsequently annealed at different temperatures. The influence of heat treatment on the microstructure and mechanical properties was investigated. The results revealed that the cellular substructure remained stable at 650 °C, while at 1100 °C dislocation recovery and compositional homogenization occurred, leading to the dissolution of the cellular substructure. After annealing at 1200 °C, the elongation of the alloy increased by 82%, while the yield strength and ultimate tensile strength decreased by 37% and 10%, respectively, compared to the as-built state. The cellular substructure not only contributed to strength through dislocation strengthening but also acted as nucleation sites for subsequent twinning, resulting in improved work hardening capability. Annealing-induced grain growth and substructure elimination improved the capacity of coordinated plastic deformation, while weakening the contribution of grain rotation and twinning mechanisms. Full article
(This article belongs to the Special Issue Processing, Microstructure, and Properties of Nonferrous Metals and Alloys)
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