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4.4
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Journals
Metals
Special Issues
Wear Properties of Metallic Coatings
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Wear Properties of Metallic Coatings

A special issue of Metals (ISSN 2075-4701).

Deadline for manuscript submissions: closed (31 July 2020) | Viewed by 2933

Special Issue Editor

Prof. Dr. Carl Blais

E-Mail Website
Guest Editor
Department of Metallurgy and Material Engineering, Université Laval, Québec, QC G1V 0A6, Canada
Interests: powder metallurgy; metal powder development and fabrication; sintering; machinability of PM components
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Metal coatings provide an efficient strategy to modify and optimize the properties of metallic substrates. Their purposes can be found in a large variety of applications from thermal management to corrosion resistance enhancement and from functionally graded materials to wear resistance amelioration. Consequently, metal coatings come in a variety of formulations that is as large as the number of methods available for producing them.

The importance of this field of material science has encouraged us to organize a Special Issue in Metals that focuses on the wear properties of metallic coatings. Therefore, we are inviting manuscripts that reflect the state-of-the-art in metal coatings development and utilization to minimize wear. Should you feel that you could participate in our endeavour by submitting an original summary of your research along this topic, please contact us with the details of your manuscript.

Prof. Carl Blais
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. Metals 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

  • thermal spray
  • cladding
  • physical vapor deposition
  • plating
  • chemical vapor deposition
  • intermetallics
  • synthesis

Published Papers (1 paper)

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Research

12 pages, 4918 KiB  
Article
Effects of Temperature on Wear Properties and Mechanisms of HVOF Sprayed CoCrAlYTa-10%Al2O3 Coatings and H13 Steel
by Zheng Wei, Yuping Wu, Sheng Hong, Weihua Yang and Wei Shi
Metals 2019, 9(11), 1224; https://doi.org/10.3390/met9111224 - 16 Nov 2019
Cited by 3 | Viewed by 2632
Abstract
In this study, the CoCrAlYTa-10%Al2O3 coatings were prepared by the high-velocity oxygen-fuel (HVOF) spraying. A series of ball-on-disk sliding wear tests were conducted to evaluate the tribological properties of the coatings at different temperatures (25 °C, 200 °C, 400 °C, [...] Read more.
In this study, the CoCrAlYTa-10%Al2O3 coatings were prepared by the high-velocity oxygen-fuel (HVOF) spraying. A series of ball-on-disk sliding wear tests were conducted to evaluate the tribological properties of the coatings at different temperatures (25 °C, 200 °C, 400 °C, and 600 °C). The results showed that the average coefficients of friction (COFs) of the CoCrAlYTa-10%Al2O3 coatings were lower than that of H13 steel at different temperatures. The average COFs of the CoCrAlYTa-10%Al2O3 coatings and H13 steel both decreased with increasing temperature. The wear rate of the CoCrAlYTa-10%Al2O3 coatings increased first and then decreased. The microhardness of worn surface of the CoCrAlYTa-10%Al2O3 coatings increased with increasing temperature, while the microhardness of worn surface of H13 steel at 25 °C and 200°C was higher than that at 400 °C and 600 °C. The wear mechanism of the two materials was mainly abrasive wear. The tribofilms were formed on the worn surface of the CoCrAlYTa-10%Al2O3 coatings, which had a good protective effect. Due to thermal softening and low binding strength of debris, it was difficult for H13 steel to form the tribofilms. The wear rate of H13 steel was much higher than that of the CoCrAlYTa-10%Al2O3 coatings at 400 °C and 600 °C, indicating that the high temperature wear resistance of the coatings was much better than that of H13 steel. Full article
(This article belongs to the Special Issue Wear Properties of Metallic Coatings)
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