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Journals
Coatings
Special Issues
New Hard and Superhard Coatings
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New Hard and Superhard Coatings

A special issue of Coatings (ISSN 2079-6412).

Deadline for manuscript submissions: closed (28 February 2021) | Viewed by 2204

Special Issue Editor

Prof. Qiaoqin Yang

E-Mail Website
Guest Editor
University of Saskatchewan, Department of Mechanical Engineering, Saskatoon, Canada
Interests: vapor deposition; hard and superhard coatings; carbon nanostructures; nanocomposite coatings; friction, wear, and corrosion; surface modification, etc.
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

We would like to invite you to submit your work to this Special Issue on "New Hard and Superhard Coatings". Surface coating is a key technology for improving the durability and performance of materials. It reduces operating costs, energy consumption, and environmental degradation, and leads to the development of new products. In addition to the bulk properties of the substrates, coated materials can be enhanced to have a range of specific surface properties, such as a low friction coefficient, high resistance to wear, corrosion, and oxidation, high thermal conductivity, and excellent biocompatibility.

With the development of engineering and science in the micro/nano scale, the precise control of the properties of surface coating and its interface with the substrate is becoming increasingly critical in both fundamental scientific researches and applied engineering applications. Vast scientific and technological progress has been achieved on this topic by universities and research institutes all around the world. This progress has been supported by the industrial development of novel characterization and deposition tools. 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.

Prof. Qiaoqin Yang
Guest Editor

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

  • Thin films
  • New coatings
  • Hard
  • Superhard
  • Nanocomposite
  • Interface design
  • Interlayers
  • Multilayered structure
  • Superlattice

Published Papers (1 paper)

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Research

13 pages, 3329 KiB  
Article
Effects of the Nitrogen Flow Ratio and Substrate Bias on the Mechanical Properties of W–N and W–Si–N Films
by Li-Chun Chang, Ming-Ching Sung, Li-Heng Chu and Yung-I Chen
Coatings 2020, 10(12), 1252; https://doi.org/10.3390/coatings10121252 - 18 Dec 2020
Cited by 7 | Viewed by 1810
Abstract
The reactive gas flow ratio and substrate bias voltage are crucial sputtering parameters for fabricating transition metal nitride films. In this study, W–N films were prepared using sputtering with nitrogen flow ratios (f) of 0.1–0.5. W–N and W–Si–N films were then [...] Read more.
The reactive gas flow ratio and substrate bias voltage are crucial sputtering parameters for fabricating transition metal nitride films. In this study, W–N films were prepared using sputtering with nitrogen flow ratios (f) of 0.1–0.5. W–N and W–Si–N films were then prepared using an f level of 0.4 and substrate bias varying from 0 to −150 V by using sputtering and co-sputtering, respectively. The variations in phase structures, bonding characteristics, mechanical properties, and wear resistance of the W–N and W–Si–N films were investigated. The W–N films prepared with nitrogen flow ratios of 0.1–0.2, 0.3, and 0.4–0.5 displayed crystalline W, amorphous W–N, and crystalline W2N, respectively. The W–N films prepared using a nitrogen flow ratio of 0.4 and substrate bias voltages of −50 and −100 V exhibited favorable mechanical properties and high wear resistance. The mechanical properties of the amorphous W–Si–N films were not related to the magnitude of the substrate bias. Full article
(This article belongs to the Special Issue New Hard and Superhard Coatings)
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