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Feature Paper Collection in Plasma Coatings, Surfaces & Interfaces
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Feature Paper Collection in Plasma Coatings, Surfaces & Interfaces

A topical collection in Coatings (ISSN 2079-6412). This collection belongs to the section "Plasma Coatings, Surfaces & Interfaces".

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Editors

Prof. Dr. Qi Hua Fan

E-Mail Website
Collection Editor
College of Engineering, Michigan State University, East Lansing, MI 48824, USA
Interests: plasma; thin film; solar cell; chemical vapor deposition; coatings; sputtering; surface engineering
Special Issues, Collections and Topics in MDPI journals
Dr. Bocong Zheng

E-Mail Website
Collection Editor
Fraunhofer Center for Coatings and Diamond Technologies, East Lansing, MI 48824, USA
Interests: plasma simulation; plasma surface engineering; gas discharge physics; physical vapor deposition; radio frequency discharges; magnetized plasmas
Special Issues, Collections and Topics in MDPI journals

Topical Collection Information

Dear Colleagues,

You are invited to submit your work to this Feature Paper Collection on Plasma, which focuses on low-temperature plasma theory and applications. Low-temperature plasmas are widely used for manufacturing semiconductor devices, tribological coatings, displays, solar panels, and many more technical products. On one hand, fully understanding plasma behavior requires the combined effort of simulation and diagnostics. Accurate simulation of plasmas, especially at low pressures (<100 mTorr), is computationally extensive due to the requiements to resolve the fastest temporal process and the finest spatial behavior of electrons. On the other hand, industry production has continuously driven the development of more efficient plasma sources and processes. Some particular challenges include large-area coatings at high frequencies, material-induced restriction to the process temperature, and capability to tune coatings’ microstructures. This feature Paper Collection aims to introduce the latest experimental, computational, and theoretical developments in the field of low-temperature plasma, through a series of original work and review articles from leading researchers around the world.

Potential topics include but are not limited to:

  • Modeling and diagnostic methods of plasma discharges;
  • Fundamental understanding of plasma behavior;
  • Plasma-enhanced coatings and structures;
  • Plasma-surface interactions;
  • Novel plasma-based thin film deposition and material synthesis technology;
  • Implementation of plasma processing for research and industrial applications.

Dr. Qi Hua Fan
Dr. Bocong Zheng
Collection 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 collection 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.

Published Papers (3 papers)

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2025

Jump to: 2024, 2023

15 pages, 11630 KiB  
Article
Feasible Exploration Study of Anti-Silicon Element Corrosion Coating for C/C Composites
by Haijiang Yu, Huiyong Yang, Deteng Wang, Yixin Xiao, Lianyi Wang, Zhi Chen, Wei Li, Ruiying Luo and Juntong Huang
Coatings 2025, 15(4), 433; https://doi.org/10.3390/coatings15040433 - 7 Apr 2025
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Abstract
This study investigates the fabrication of a ZrSiO4-based coating (ZSO coating) on substrate surfaces using atmospheric plasma spraying (APS) technology, with ZrSiO4 as the feedstock material. A comprehensive characterization of the coating systems was conducted, including an in-depth analysis of [...] Read more.
This study investigates the fabrication of a ZrSiO4-based coating (ZSO coating) on substrate surfaces using atmospheric plasma spraying (APS) technology, with ZrSiO4 as the feedstock material. A comprehensive characterization of the coating systems was conducted, including an in-depth analysis of phase composition and a systematic evaluation of the effects of spray thickness and heat treatment temperature on phase evolution, microstructural development, and the resulting properties. The coatings’ resistance to silicon corrosion and the associated failure mechanisms were thoroughly examined. The key findings reveal that the plasma-sprayed coatings form a multiphase system composed of ZrSiO4, along with the decomposition products of ZrO2 and SiO2. Optimal performance was observed within a critical thickness range of 154–240 μm. Post-deposition heat treatment at 1500 °C significantly improved the integrity of the coatings, as evidenced by a marked reduction in crack density and porosity, leading to substantial enhancement in densification. The coatings demonstrated outstanding performance in the high-temperature silicon corrosion tests, maintaining structural integrity after 4 h of exposure to molten silicon and its oxides at 1500 °C. Notably, the coatings effectively prevented the penetration of silicon into the C/C substrate, preserving strong interfacial adhesion without the formation of permeable cracks. Furthermore, post-corrosion analysis showed that the surface reaction products could be easily removed, underscoring the coatings’ exceptional protective capability for the underlying C/C substrate. Full article
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2024

Jump to: 2025, 2023

12 pages, 12558 KiB  
Article
The Effects of Surface Plasma Carburization on the Microstructure and Molten Salt Corrosion Resistance of Ta
by Xuming Lv, Dongbo Wei, Xianpu Huang, Zeyu Gao and Pingze Zhang
Coatings 2024, 14(12), 1570; https://doi.org/10.3390/coatings14121570 - 16 Dec 2024
Viewed by 840
Abstract
In order to enhance the corrosion resistance of tantalum, the double-glow plasma (DGP) metallurgy technique was used to prepare TaC coatings on the tantalum. The morphology, microstructure, and phase constituents of TaC were examined by scanning electron microscopy (SEM) and X-ray diffraction (XRD). [...] Read more.
In order to enhance the corrosion resistance of tantalum, the double-glow plasma (DGP) metallurgy technique was used to prepare TaC coatings on the tantalum. The morphology, microstructure, and phase constituents of TaC were examined by scanning electron microscopy (SEM) and X-ray diffraction (XRD). Nano-indentation tests were used to evaluate the mechanical properties of the coatings. The specimens were immersed in NaCl-KCl molten salt at 830 °C to evaluate their corrosion resistance. The results showed that the coating prepared by the DGP technique has a thickness of approximately 5 µm, the diffusion layer has a thickness of 2.5 µm, and the nano-indentation hardness is measured to be 17.27 GPa. The high-temperature stable ceramic phase enhances the high-temperature oxidation resistance of pure tantalum (Ta), while the dense corroded surface and oxidation products improve the anti-corrosion property of TaC coatings. Full article
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2023

Jump to: 2025, 2024

15 pages, 6110 KiB  
Article
Influence of Bilayer Thickness on Mechanical and Tribological Properties of (Ti-Al)N/MoN Nanostructured Hard Coatings Deposited by Cathodic Arc Ion Plating
by Muhammad I. Yousaf, Tushagu Abudouwufu, Bing Yang, Alexander Tolstoguzov and Dejun Fu
Coatings 2023, 13(9), 1654; https://doi.org/10.3390/coatings13091654 - 21 Sep 2023
Cited by 3 | Viewed by 1581
Abstract
Deposition of (Ti-Al)N/MoN multilayered coatings was carried out through a cathodic ion-plating system in an argon and then nitrogen atmosphere. Bilayer thickness (Λ) of all the samples were achieved, from 22 to 104 nm, by organizing substrate holder rotational speed (SRS). To obtain [...] Read more.
Deposition of (Ti-Al)N/MoN multilayered coatings was carried out through a cathodic ion-plating system in an argon and then nitrogen atmosphere. Bilayer thickness (Λ) of all the samples were achieved, from 22 to 104 nm, by organizing substrate holder rotational speed (SRS). To obtain the optimum properties of the (Ti-Al)N/MoN coatings, the Ti and Al ratio was maintained at a level of 1:1. X-ray diffraction (XRD), high-resolution transmission electron microscopy (HRTEM), X-ray photoelectron spectroscopy (XPS), and Raman spectroscopy were utilized to analyze the crystal structure and morphology of the coatings. Mechanical and tribological properties were examined by nanohardness and atomic force microscopy (AFM). The preferred orientation of the (Ti-Al)N/MoN nanoscale multilayer films was TiAlN (200) and MoN (200), which had face centered cubic (fcc) and hexagonal structures, respectively. The hardness increased with the decrease in Λ (104 nm to 26 nm), and then it increased. The highest hardness of 37 GPa was revealed at Λ = 26 nm, whereas the least wear rate of 8.09 × 10−7 mm3/N.m was attained at Λ = 22 nm. Wear rate, roughness, and coefficient of friction were decreased with decreasing bilayer period. EDS results showed that Al and Ti contents were almost the same in all samples, as per design of the experiment. Full article
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