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Crystals
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Advances in High Performance Metal Materials: Preparation, Properties, and Applications
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Advances in High Performance Metal Materials: Preparation, Properties, and Applications

A special issue of Crystals (ISSN 2073-4352). This special issue belongs to the section "Crystalline Metals and Alloys".

Deadline for manuscript submissions: 10 July 2025 | Viewed by 1169

Special Issue Editors

Dr. Mingxing Ma

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Guest Editor
Key Laboratory of High Performance Metal Materials, Henan Polytechnic Institute, Nanyang 473000, China
Interests: high-entropy alloys; coatings; high-performance steel materials; first-principles calculation
Dr. Cong Zhao

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Guest Editor
School of Optoelectronic Engineering, Chongqing University of Posts and Telecommunications, Chongqing 400065, China
Interests: sensors; micro-nano structures; nano materials
Prof. Dr. Zhixin Wang

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Guest Editor
School of Materials Electronics and Energy Storage, Zhongyuan University of Technology, Zhengzhou 451191, China
Interests: compositionally complex alloys; phase structure; microstructure; friction and wear; corrosion behavior; computational simulation

Special Issue Information

Dear Colleagues,

High-performance metal materials, with their unique properties and unlimited potential, are developing and transforming rapidly. With regard to high-entropy alloys, micro/nano structured materials, and high-performance steels, etc., their excellent properties and potential application have been demonstrated.

This Special Issue, entitled “Advances in High Performance Metal Materials: Preparation, Properties, and Applications”, aims to provide a comprehensive platform that enables researchers to present their latest discoveries and innovations. The scope of this Special Issue includes, but is not limited to, the following topics:

  • Composition: the substitution and proportioning of elements in high-entropy alloys, micro/nano-structured materials, liquid metals, and steel.
  • Structure: the in-depth exploration of the micro/nano-structure characteristics of these alloys, which play a crucial role in determining their unique properties and functions.
  • Preparation: additive manufacturing, liquid forming, coating preparation, near net shape forming and other preparation processes and methods.
  • Properties: the study of the mechanical, physical, chemical, corrosion resistance and other properties of these alloys, as well as their performance under extreme conditions.
  • Application: the potential application of high-performance metal materials in aerospace, automotive, electronics, biomedical and other fields.

We invite scholars, researchers, and engineers working in the field of metal materials to contribute and share their latest research results and insights regarding high-performance alloys. We welcome the submission of original research papers, review articles, and case studies. Your contribution will not only enrich the content of this Special Issue, but also contribute significantly to the development of materials science.

Dr. Mingxing Ma
Dr. Cong Zhao
Prof. Dr. Zhixin Wang
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. Crystals 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 2100 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

  • metals/alloys
  • coatings
  • nano materials
  • micro-nano structure
  • phase transformation
  • microstructure
  • mechanical properties
  • corrosion behavior
  • first-principles calculation
  • preparation and applications

Benefits of Publishing in a Special Issue

  • Ease of navigation: Grouping papers by topic helps scholars navigate broad scope journals more efficiently.
  • Greater discoverability: Special Issues support the reach and impact of scientific research. Articles in Special Issues are more discoverable and cited more frequently.
  • Expansion of research network: Special Issues facilitate connections among authors, fostering scientific collaborations.
  • External promotion: Articles in Special Issues are often promoted through the journal's social media, increasing their visibility.
  • Reprint: MDPI Books provides the opportunity to republish successful Special Issues in book format, both online and in print.

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

Published Papers (3 papers)

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Research

11 pages, 11226 KiB  
Article
Transformation Mechanism of Undercooled Austenite and Deformation Behavior of a 1.2 GPa High-Strength Medium Mn Steel
by Ying Dong, Jiachen Xu, Lingming Meng, Qinghao Miao, Haobo Cui, Jiaxin Chen, Yu Du, Tao Liu, Qingdong Feng and Chengjun Zhu
Crystals 2025, 15(5), 487; https://doi.org/10.3390/cryst15050487 - 21 May 2025
Abstract
In this study, the phase transformation mechanism during the decomposition of undercooled austenite and its effect on the deformation behavior of a high-strength medium Mn steel were studied. The results indicate that the austenite formation during heating (α → γ) is a relatively [...] Read more.
In this study, the phase transformation mechanism during the decomposition of undercooled austenite and its effect on the deformation behavior of a high-strength medium Mn steel were studied. The results indicate that the austenite formation during heating (α → γ) is a relatively fast reaction. However, the transformation of undercooled prior austenite above the martensite start (Ms) temperature (γ → α) is difficult due to its high thermal stability. Only martensite transformation occurred during the final air-cooling stage following a 120-h isothermal treatment at 360 °C (slightly above Ms). The growth of martensite laths was limited by the boundaries of prior austenite grains and martensite packets. High-strength tensile properties were achieved, with a yield strength of 955 MPa, ultimate tensile strength of 1228 MPa, and total elongation of 11.6%. These properties result from the synergistic hardening effects of grain refinement, high-density lattice distortion, and an increased boundary length per unit area. The composition design with medium Mn content increased the processing window for high-strength martensite transformation, providing a theoretical basis for an energy-saving approach that depends on the decomposition transformation of undercooled austenite. Full article
(This article belongs to the Special Issue Advances in High Performance Metal Materials: Preparation, Properties, and Applications)
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35 pages, 18222 KiB  
Article
Impact of Inter-Modular Connections on Progressive Compressive Behavior of Prefabricated Column-Supported Volumetric Modular Steel Frames
by Kejia Yang, Kashan Khan, Yukun Yang, Lu Jiang and Zhihua Chen
Crystals 2025, 15(5), 413; https://doi.org/10.3390/cryst15050413 - 28 Apr 2025
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Abstract
This study investigates the progressive compressive behavior of modular interior frames with rotary-type module-to-module inter-modular (M2M) connections under sequential column failure. A novel two-stage testing protocol was applied, compressing the left upper column to failure, followed by the right, to simulate realistic loading [...] Read more.
This study investigates the progressive compressive behavior of modular interior frames with rotary-type module-to-module inter-modular (M2M) connections under sequential column failure. A novel two-stage testing protocol was applied, compressing the left upper column to failure, followed by the right, to simulate realistic loading progression in prefabricated column-supported volumetric modular steel structures. Detailed refined finite-element models (FEMs) were developed and validated against experimental results, accurately capturing local and global responses with an average prediction error of 2–10% for strength and stiffness. An extensive parametric study involving varying frame configurations evaluated the influence of frame member geometric properties, connection details, and column/beam gap interaction on progressive collapse behavior. The results demonstrated that upper columns govern failure through elastic–plastic buckling near M2M joints while other members/connections remain elastic/unyielded. Increasing column cross section and thickness significantly enhanced strength and stiffness, while longer columns and prior damage reduced capacity, particularly during right-column loading. Conventional steel design codes overestimated column strength, with mean Pu,FEM/Pu,code ratios below unity and high scatter (Coefficient of variation ~0.25–0.27), highlighting the inadequacy of isolated member-based design equations for modular assemblies. The findings emphasize the need for frame-based stability approaches that account for M2M joint semi-rigidity, sway sensitivity, and sequential failure effects to ensure the reliable design of modular steel frames under progressive compressive loads. Full article
(This article belongs to the Special Issue Advances in High Performance Metal Materials: Preparation, Properties, and Applications)
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15 pages, 2255 KiB  
Article
Microstructure and Wear and Corrosion Resistance of CoCrFeMoNiSix (x = 0.25, 0.50, 0.75) HEACs Prepared by Plasma Cladding
by Mingxing Ma, Chengjun Zhu, Zhixin Wang, Ying Dong, Lipei Ding, Haoyuan Ma, Yanjun Xi, Bozhen Wang, Dachuan Zhu and Deliang Zhang
Crystals 2025, 15(2), 123; https://doi.org/10.3390/cryst15020123 - 24 Jan 2025
Cited by 2 | Viewed by 753
Abstract
CoCrFeMoNiSix (x = 0.25, 0.50, 0.75) HEACs were successfully prepared on Q235 steel substrates by the plasma cladding method. The phase structure, microstructure, element distribution, and wear and corrosion resistance of these coatings were investigated by XRD, OM, SEM, EDS, a friction [...] Read more.
CoCrFeMoNiSix (x = 0.25, 0.50, 0.75) HEACs were successfully prepared on Q235 steel substrates by the plasma cladding method. The phase structure, microstructure, element distribution, and wear and corrosion resistance of these coatings were investigated by XRD, OM, SEM, EDS, a friction and wear tester, and an electrochemical workstation. The results show that the CoCrFeMoNiSix (x = 0.25, 0.50, 0.75) coatings are composed of a major FCC phase and minor BCC phase. With an increase in Si content, the lattice constant and cell volume of both phases and the BCC phase content in these alloys gradually increase, while the enthalpy of mixing, Gibbs free energy, atomic radius difference, VEC, and phase density decrease. All the three alloys exhibit typical dendritic structures. With an increase in Si content, the enrichment of Mo and Si in the interdendrite region is significantly reduced. The friction coefficients of CoCrFeMoNiSix (x = 0.25, 0.50, 0.75) HEACs show a trend of first increasing, then decreasing, and gradually stabilizing with an increase in time, and are 0.604, 0.526, and 0.534, respectively. The wear resistance of the three alloys is mainly related to the changes in crystallinity and high-strength BCC phase content caused by different Si contents. The polarization curves of CoCrFeMoNiSix (x = 0.25, 0.50, 0.75) high-entropy alloy coatings show an obvious passivation zone, and the corrosion resistance is significantly better than that of Q235 steel substrate. The CoCrFeMoNiSi0.75 coating has the highest self-corrosion potential, smallest self-corrosion current, largest capacitive reactance arc radius, and best corrosion resistance in a 3.5% NaCl solution. Full article
(This article belongs to the Special Issue Advances in High Performance Metal Materials: Preparation, Properties, and Applications)
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