Advanced Coatings for Metals

A special issue of Coatings (ISSN 2079-6412). This special issue belongs to the section "Surface Characterization, Deposition and Modification".

Deadline for manuscript submissions: closed (15 September 2023) | Viewed by 1713

Special Issue Editors


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School of Materials Science and Engineering, Zhengzhou University, Zhengzhou 45001, China
Interests: metalic biomaterials; corrosion science; surface charaterization
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Department of Prosthodontics, School and Hospital of Stomatology, Guangzhou Medical University, Guangzhou, China
Interests: implant dentistry; digital dentistry; dental materials; biodegradable metals; additive manufacturing; biomaterials
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Special Issue Information

Dear Colleagues,

Coatings on materials are typically developed to improve their surface or interface properties under the service environment, such as anti-corrosion, anti-fouling, anti-wear, biocompatibility, etc. Coatings could prolong the lifetime of metals in various applications, such as coastal structures, chemical industries, military equipment, aerospace, and biomedical materials, by serving as physical protection layers or smart layers providing unprecedented functionality and opportunities for metallic substrates.

In recent decades, many exciting achievements in coatings for materials have been conducted. However, in some specific environments, challenges, for example, localized corrosion of materials and adaptive degradation of biomaterials, still remain to improve the corrosion resistance of materials and the controllability of biomaterials. Therefore, it is highly desirable to design and develop novel coatings with high environmental compatibility, low cost, and long-term durability towards excellent performance according to their application background. Towards this goal, we are assembling the Special Issue to encourage researchers to publish original articles, reviews, and short communication in this field. The topics of interest for this Special Issue include (but are not restricted to):

  • Novel coating design;
  • Corrosion/degradation mechanisms of metallic materials;
  • Novel eco-friendly coatings;
  • Surface treatment and functionality;
  • Bioactive coatings for metallic biomaterials.

Dr. Ruiqing Hou
Dr. Ping Li
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

  • coatings and films
  • degradation
  • corrosion
  • surface and interface
  • multi-functionality
  • biocompatibility

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Published Papers (1 paper)

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Research

15 pages, 5518 KiB  
Article
Effect of Cavitation Water Jet Peening on Properties of AlCoCrFeNi High-Entropy Alloy Coating
by Rui Wu, Yongfei Yang, Weidong Shi, Yupeng Cao, Yu Liu and Jinchao Zhang
Coatings 2023, 13(11), 1972; https://doi.org/10.3390/coatings13111972 - 20 Nov 2023
Viewed by 1143
Abstract
High-entropy alloys have been widely used in engineering manufacturing due to their hardness, good wear resistance, excellent corrosion resistance, and high-temperature oxidation resistance. However, it is inevitable that metallurgical defects, such as micro cracks and micro pores, are produced when preparing the coating, [...] Read more.
High-entropy alloys have been widely used in engineering manufacturing due to their hardness, good wear resistance, excellent corrosion resistance, and high-temperature oxidation resistance. However, it is inevitable that metallurgical defects, such as micro cracks and micro pores, are produced when preparing the coating, which affects the overall performance of the alloy to a certain extent. In view of this situation, cavitation water jet peening (CWJP) was used to strengthen the AlCoCrFeNi high-entropy alloy coating. The effect of CWJP impact time on the microstructure and mechanical properties of CWJP were investigated. The results show that CWJP can form an effective hardening layer on the surface layer of the AlCoCrFeNi high-entropy alloy. When the CWJP impact time was 4 h, the microhardness of the surface layer of the specimen was harder than that of 2 h and 6 h, and the CWJP impact time had little effect on the thickness of the hardening layer. Observing the surface of the untreated and CWJP-treated specimens using the EBSD test, it was evident that the microstructure was significantly homogenized, the grains were refined, and the proportion of small-angle grain boundaries increased. The system reveals the grain refinement mechanism of the AlCoCrFeNi high-entropy alloy coating during plastic deformation. This study aims to provide a new surface strengthening method for obtaining high-performance AlCoCrFeNi high-entropy alloy coatings. Full article
(This article belongs to the Special Issue Advanced Coatings for Metals)
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