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Characterization, Properties, and Applications of New Metallic Alloys (2nd Edition)
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Characterization, Properties, and Applications of New Metallic Alloys (2nd Edition)

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

Deadline for manuscript submissions: 10 June 2026 | Viewed by 2086

Special Issue Editors

Prof. Dr. Weimin Wang

E-Mail Website
Guest Editor
College of Materials Science and Engineering, Shandong University, Jinan 250061, China
Interests: metallic glasses; nano metallic alloys; medium/high-entropy alloys
Special Issues, Collections and Topics in MDPI journals
Dr. Ki Buem Kim

E-Mail Website
Guest Editor
Department of Advanced Materials Engineering, Sejong University, Seoul 143-747, Republic of Korea
Interests: metallic glasses; medium/high-entropy alloys; nano metallic alloys
Special Issues, Collections and Topics in MDPI journals
Dr. Shuai Liu

E-Mail Website
Guest Editor Assistant
School of Materials Science and Engineering, Ocean University of China, Qingdao 266100, China
Interests: high-performance amorphous alloy electrode materials; design of novel antibacterial and antifouling materials; energy storage and conversion; development of new materials

Special Issue Information

Dear Colleagues,

Following the remarkable success of the first edition of this Special Issue (https://www.mdpi.com/journal/materials/special_issues/B5EQ9UEARR), we are pleased to announce the launch of the second edition, which continues to explore groundbreaking advances in the design, processing, and application of novel metallic alloys through order and entropy engineering.

Introduction
The field of advanced metallic materials is rapidly evolving, driven by innovative approaches to tailor atomic-order and configurational entropy. Metallic glasses, nanocrystalline alloys, and medium/high-entropy alloys represent cutting-edge research directions, each offering unique microstructural characteristics and exceptional functional properties. These materials exhibit outstanding mechanical, magnetic, catalytic, and thermodynamic behaviors, making them highly promising for applications across aerospace, energy, catalysis, and functional devices. Building on the strong foundation of the first edition, this second edition aims to further disseminate high-quality research and review articles that reflect the latest developments in this dynamic field.

Scope of the Special Issue
This edition welcomes contributions addressing—but not limited to—the following topics:

  • Novel alloy design strategies for metallic glasses, nanocrystalline, and medium/high-entropy alloys;
  • Advanced processing and synthesis techniques;
  • Microstructural characterization and phase evolution analysis;
  • Mechanical, functional, and thermodynamic properties;
  • Modeling and simulation of atomic structure and property relationships;
  • Applications in structural, magnetic, catalytic, and energy-related fields;
  • Stability and performance optimization under service conditions.

We invite the submission of original research articles and reviews that present innovative insights and significant advances in these areas.

Prof. Dr. Weimin Wang
Dr. Ki Buem Kim
Guest Editors

Dr. Shuai Li
Guest Editor Assistant

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. Materials is an international peer-reviewed open access semimonthly 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

  • metallic glasses
  • medium/high-entropy alloys
  • nano metallic alloys
  • nano metallic alloys
  • mechanical properties
  • corrosion
  • function

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

Related Special Issue

Published Papers (3 papers)

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Research

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19 pages, 6538 KB  
Article
A Qualitative Study of the Oxidation Resistance of PBF-LB/M High-Ta Ni-Based Superalloys with Hf Additions
by Kai Dörries and Joachim Rösler
Materials 2026, 19(8), 1482; https://doi.org/10.3390/ma19081482 - 8 Apr 2026
Viewed by 294
Abstract
Recent studies have shown that a new family of Ni-based superalloys with high Ta and high Hf contents exhibits a promising property profile and may be able to fill the gap between creep-resistant alloys and those processable by PBF-LB/M. The effect of simultaneously [...] Read more.
Recent studies have shown that a new family of Ni-based superalloys with high Ta and high Hf contents exhibits a promising property profile and may be able to fill the gap between creep-resistant alloys and those processable by PBF-LB/M. The effect of simultaneously high Ta and Hf contents on oxidation resistance has not yet been investigated and is addressed qualitatively in this study. Isothermal oxidation tests were conducted in air at 950 °C for 100 h, 300 h, and 500 h. After cooling, the weight change and cross-sections of the specimens were examined. The study shows that the Hf-free alloy exhibits severe spallation of the Al-oxide and Cr-/Ni-oxide layer. The Hf-containing alloys exhibit improved oxide layer adhesion and a promoted formation of a continuous Al-oxide layer, which is attributed to the early formation of Hf-oxide particles. Furthermore, the addition of Hf influences the morphology of internally oxidized Al, which grows preferentially parallel to the surface rather than perpendicular to it. This behavior leads to effective protection of the alloys by an Al-oxide layer, either external or internal, which is remarkable considering the moderate Al content of only 3 wt.%. Full article
(This article belongs to the Special Issue Characterization, Properties, and Applications of New Metallic Alloys (2nd Edition))
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21 pages, 13790 KB  
Article
Tailoring Microstructure and Properties of CoCrNiAlTiNb High-Entropy Alloy Coatings via Laser Power Control During Laser Cladding
by Zhe Zhang, Yue Yu, Xiaoming Chen, Li Fu, Xin Wei, Wenyuan Zhang, Zhao Dong, Mingming Wang, Tuo Wang and Xidong Hui
Materials 2026, 19(1), 5; https://doi.org/10.3390/ma19010005 - 19 Dec 2025
Viewed by 639
Abstract
To enhance the operational damage resistance of hydraulic machinery, this study employed laser cladding technology to fabricate a Co37.4Cr30Ni20Al5Ti5Nb2.6 high-entropy alloy coating on 04Cr13Ni5Mo substrate. The influence of laser power on the [...] Read more.
To enhance the operational damage resistance of hydraulic machinery, this study employed laser cladding technology to fabricate a Co37.4Cr30Ni20Al5Ti5Nb2.6 high-entropy alloy coating on 04Cr13Ni5Mo substrate. The influence of laser power on the microstructure and properties of the coating was systematically investigated. Based on preliminary research, the friction-wear performance and cavitation erosion behavior of the coatings prepared at 3000 W, 3200 W, and 3400 W were specifically examined. Results indicate that as the laser power increased from 3000 W to 3400 W, the microhardness of the coating gradually decreased from 345.3 HV0.2. At 3000 W, the precipitation of trace strengthening phases significantly enhanced the mechanical properties. In wear tests under a 20 N load for 30 min, the wear rate of the coating prepared at 3000 W was 1.41 × 10−4 mm3/(N·m), which is 13.5% lower than that of the 3200 W coating (1.63 × 10−4 mm3/(N·m)) and 16.07% higher in wear resistance compared to the substrate. Cavitation erosion tests revealed that after 20 h of ultrasonic vibration, the mass loss of the 3000 W coating was only 2.35 mg, representing an 88.89% reduction compared to the substrate (21.15 mg), and significantly lower than that of the 3200 W (4.57 mg) and 3400 W (3.85 mg) coatings. This study demonstrates that precise control of laser power can effectively optimize the cavitation erosion resistance of high-entropy alloy coatings, providing technical support for their application in harsh environments. Full article
(This article belongs to the Special Issue Characterization, Properties, and Applications of New Metallic Alloys (2nd Edition))
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Review

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35 pages, 6864 KB  
Review
High-Entropy Alloys Produced by Mechanical Alloying: A Review
by Jason Daza, Asma Wederni, Rehan Ullah, Joan Saurina, Lluisa Escoda and Joan-Josep Suñol
Materials 2026, 19(7), 1300; https://doi.org/10.3390/ma19071300 - 25 Mar 2026
Viewed by 765
Abstract
High-entropy alloys formed by metals are usually classified as those with magnetic elements, such as Fe, Co, and Ni, and alloys containing a significant percentage of aluminum. In the first case, the functional responses of greatest scientific and technological interest are both mechanical [...] Read more.
High-entropy alloys formed by metals are usually classified as those with magnetic elements, such as Fe, Co, and Ni, and alloys containing a significant percentage of aluminum. In the first case, the functional responses of greatest scientific and technological interest are both mechanical and magnetic. Concerning applications, the main interest focused on health and energy. Among the various techniques used to obtain high-entropy alloys in powder form, one of the most widely applied is mechanical alloying. This paper reviews recent results and prospects, including machine learning. Full article
(This article belongs to the Special Issue Characterization, Properties, and Applications of New Metallic Alloys (2nd Edition))
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