Advanced Materials Processing Technology and Surface Engineering

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

Deadline for manuscript submissions: closed (30 November 2023) | Viewed by 3065

Special Issue Editors

School of Material Science and Engineering, Xi’an Jiao Tong University, Xi'an, China
Interests: modeling and simulation; thermal plasma; Coating; TBC; surface processing; additive manufacturing

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Guest Editor
Department of Materials Science and Engineering, University of North Texas, Denton, TX 76203, USA
Interests: high-entropy alloys; spark plasma sintering; toughening; tribology; failure analysis

Special Issue Information

Dear Colleagues,

We would like to invite you to submit your original contribution to this Special Issue "Advanced Materials Processing Technology and Surface Engineering". Material processing is relevant to everyday life, including in food, clothing,  transportation, and to the production process of electronic products. Materials can involve metal, non-metal materials, organic, and inorganic materials. This Special Issue also covers advances in the materials and processes used to manufacture components and their surface treatments. Surface treatment technology could reduce the degradation of the components and extend their lifetime and improve their performance. The aim of this Special Issue is to present the latest experimental and theoretical developments in the field, through a combination of original research papers and review articles from leading groups around the world.

In particular, the topics of interest include, but are not limited to, the following:

  • Casting, welding, forming, and additive processing and joined technologies;
  • Surface engineering specifically related to the manufacturing process, such as plasma surface treatment, thermal spraying, cold spraying techniques, and physical and chemical deposition techniques;
  • Characterization and testing before and after surface modification, such as improvement of friction, corrosion, thermodynamics, biocompatibility, etc.

Dr. Senhui Liu
Dr. Surekha Yadav
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

  • materials processing technology
  • surface treatments
  • wear and corrosion
  • characterization and test of materials

Published Papers (2 papers)

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Research

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13 pages, 7102 KiB  
Article
Structure Optimization and Failure Mechanism of Metal Nitride Coatings for Enhancing the Sand Erosion Resistance of Aluminum Alloys
by Zhufang Yang, Yuxin Ren, Yanli Zhang, Zilei Zhang, Guangyu He and Zhaolu Zhang
Coatings 2023, 13(12), 2074; https://doi.org/10.3390/coatings13122074 - 12 Dec 2023
Viewed by 723
Abstract
In this study, TiN/Ti coatings with various modulation ratios (TiN/Ti-4:1, TiN/Ti-1:1, and TiN/Ti-1:4) were deposited on 2A70 aluminum to improve its sand erosion performance. The structural design of ion implantation + high thickness Ti transition layer + TiN/Ti coatings was applied to alleviate [...] Read more.
In this study, TiN/Ti coatings with various modulation ratios (TiN/Ti-4:1, TiN/Ti-1:1, and TiN/Ti-1:4) were deposited on 2A70 aluminum to improve its sand erosion performance. The structural design of ion implantation + high thickness Ti transition layer + TiN/Ti coatings was applied to alleviate the differences in physical properties between hard nitride coatings and 2A70 aluminum. Surface roughness, XRD, elastic modulus, hardness, and the sand erosion failure mechanism of each coating were evaluated. The hardness of TiN/Ti-4:1, TiN/Ti-1:1, and TiN/Ti-1:4 on aluminum was 26.99 GPa, 21.70 GPa, and 10.99 GPa. Sand erosion test results showed that TiN/Ti-1:1 had the highest erosion rates due to its rougher surface. Under a 90° incident angle, TiN/Ti-4:1 and TiN/Ti-1:4 both exhibited vertical cracks parallel to the coating growth direction in the bottom TiN layer at the initial erosion stage. Also, a lateral crack caused by TiN layer crack deflection emerged due to a higher crack resistance in the thicker Ti layer of TiN/Ti-1:4. Furthermore, in comparison with the layer-by-layer spalling failure behavior of TiN/Ti-1:4, overall spallation induced by the crack coalescence of the TiN layer was exhibited in TiN/Ti-4:1. In addition, cracks formed and intersected in the inner TiN layer in TiN/Ti-1:1 and TiN/Ti-4:1, resulting in layer-by-layer spallation under a 45° incident angle. Full article
(This article belongs to the Special Issue Advanced Materials Processing Technology and Surface Engineering)
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Review

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23 pages, 3086 KiB  
Review
A Brief Review of Current Trends in the Additive Manufacturing of Orthopedic Implants with Thermal Plasma-Sprayed Coatings to Improve the Implant Surface Biocompatibility
by Darya Alontseva, Bagdat Azamatov, Yuliya Safarova (Yantsen), Sergii Voinarovych and Gaukhar Nazenova
Coatings 2023, 13(7), 1175; https://doi.org/10.3390/coatings13071175 - 29 Jun 2023
Cited by 5 | Viewed by 2047
Abstract
The demand for orthopedic implants is increasing, driven by a rising number of young patients seeking an active lifestyle post-surgery. This has led to changes in manufacturing requirements. Joint arthroplasty operations are on the rise globally, and recovery times are being reduced by [...] Read more.
The demand for orthopedic implants is increasing, driven by a rising number of young patients seeking an active lifestyle post-surgery. This has led to changes in manufacturing requirements. Joint arthroplasty operations are on the rise globally, and recovery times are being reduced by customized endoprostheses that promote better integration. Implants are primarily made from metals and ceramics such as titanium, hydroxyapatite, zirconium, and tantalum. Manufacturing processes, including additive manufacturing and thermal plasma spraying, continue to evolve. These advancements enable the production of tailored porous implants with uniform surface coatings. Coatings made of biocompatible materials are crucial to prevent degradation and enhance biocompatibility, and their composition, porosity, and roughness are actively explored through biocompatibility testing. This review article focuses on the additive manufacturing of orthopedic implants and thermal plasma spraying of biocompatible coatings, discussing their challenges and benefits based on the authors’ experience with selective laser melting and microplasma spraying of metal-ceramic coatings. Full article
(This article belongs to the Special Issue Advanced Materials Processing Technology and Surface Engineering)
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