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Coatings
Special Issues
Microstructure, Wear Resistance and Corrosion Resistance of High-Entropy Alloy Coatings
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Microstructure, Wear Resistance and Corrosion Resistance of High-Entropy Alloy Coatings

A special issue of Coatings (ISSN 2079-6412). This special issue belongs to the section "Corrosion, Wear and Erosion".

Deadline for manuscript submissions: 15 September 2024 | Viewed by 3131

Special Issue Editors

Prof. Dr. Zhaofeng Wang

E-Mail Website
Guest Editor
Faculty of Electrical and Control Engineering, Liaoning Technical University, Huludao, China
Interests: metal process; modeling and simulation; high-entropy alloy; surface coating technology; friction and wear
Dr. Fubin Liu

E-Mail Website
Guest Editor
School of Metallurgy, Northeastern University, Shenyang, China
Interests: additive manufacturing; high-entropy alloys; coatings; laser-cladding; thermal spraying
Dr. Xingguo Wang

E-Mail Website
Guest Editor
School of Mechanical and Electronic Engineering, Jingdezhen Ceramic University, Jingdezhen, China
Interests: surface coating; ceramic material; friction and wear; non-destructive testing

Special Issue Information

Dear Colleagues,

Preparing various types of coatings to strengthen the surface of materials is an effective technique to increase the materials' service performance. The qualities of the coatings can be improved considerably based on the service environment by altering their composition and microstructure without impacting the substrate's performance, thereby extending the equipment's service life. Due to the superiority of the excellent comprehensive properties compared to their bulk siblings and traditional metallic coatings, high-entropy alloy coatings have exhibited great application potential in extreme service environments such as in aerospace and nuclear reactors. The coupling of low-dimensional-morphology-induced size effect and unique high-entropy alloy multi-principal effect endows the high-entropy alloy coatings with homogeneous composition, a dense and stable microstructure, and exceptional performances.

The topics of interest for this Special Issue, in particular, include (but are not restricted to): high-entropy alloy coating microstructure characterization; surface coating technology of high-entropy alloys; friction and wear properties of high-entropy alloy coatings; corrosion resistance of high-entropy alloy coatings; computational modeling and simulation of high-entropy alloy coatings; relationship between microstructure property and wear performance; any other aspects of high-entropy alloy coatings.

We look forward to receiving your contributions.

Prof. Dr. Zhaofeng Wang
Dr. Fubin Liu
Dr. Xingguo 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. Coatings 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

  • high-entropy alloy
  • surface coating technology
  • microstructure
  • friction and wear properties
  • corrosion resistance
  • computational modeling and simulation

Published Papers (2 papers)

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Research

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7 pages, 8913 KiB  
Communication
The Microstructure and Mechanical Properties of High Entropy Alloy CoCrFeNiMn Matrix with Cr3C2 Reinforcement and Ag, BaF2/CaF2 Solid Lubrication
by Zhiming Guo, Jingdan Li and Xiaoyan Ren
Coatings 2023, 13(11), 1856; https://doi.org/10.3390/coatings13111856 - 28 Oct 2023
Viewed by 526
Abstract
A series of CoCrFeNiMn high-entropy alloy matrix self-lubricating composites were prepared by spark plasma sintering. The composites are composed of an FCC phase, Cr7C3, Ag, and eutectic fluoride BaF2/CaF2 phases. The microstructure of the composites is [...] Read more.
A series of CoCrFeNiMn high-entropy alloy matrix self-lubricating composites were prepared by spark plasma sintering. The composites are composed of an FCC phase, Cr7C3, Ag, and eutectic fluoride BaF2/CaF2 phases. The microstructure of the composites is uniform. The additional phases distribute along the boundary of equiaxed grains of the FCC phase. The compressive yield strength and fracture toughness decrease with the increase of eutectic fluoride BaF2/CaF2. The composites are susceptible to brittle cleavage fracture. Full article
(This article belongs to the Special Issue Microstructure, Wear Resistance and Corrosion Resistance of High-Entropy Alloy Coatings)
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Review

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21 pages, 6179 KiB  
Review
Research and Application Progress of High-Entropy Alloys
by Zhaofeng Wang and Shuai Zhang
Coatings 2023, 13(11), 1916; https://doi.org/10.3390/coatings13111916 - 9 Nov 2023
Cited by 4 | Viewed by 2337
Abstract
With the continuous improvement of global technological levels and the increasing demand for high-performance alloy materials in national economic construction, the traditional single principal component alloy is increasingly unable to meet people’s increasing service needs. High-entropy alloys play an important role in aerospace, [...] Read more.
With the continuous improvement of global technological levels and the increasing demand for high-performance alloy materials in national economic construction, the traditional single principal component alloy is increasingly unable to meet people’s increasing service needs. High-entropy alloys play an important role in aerospace, mechanical manufacturing, biomedicine, energy development and other engineering fields because of their unique physical, chemical and mechanical properties. Based on the concept of high-entropy alloys, the high-entropy effect, lattice distortion effect, sluggish diffusion effect and cocktail effect of high-entropy alloys are represented in this paper. The common preparation methods of high-entropy alloys are summarized according to the classification of melting-casting method, mechanical alloying method and coating method. The strength and toughness, wear resistance, corrosion resistance, high temperature resistance, fatigue resistance, radiation resistance and magnetic properties of the high-entropy alloys are discussed. The application prospect of high-entropy alloys is summarized, and the future research and development direction of high-entropy alloys are prospected on this basis. Full article
(This article belongs to the Special Issue Microstructure, Wear Resistance and Corrosion Resistance of High-Entropy Alloy Coatings)
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