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Coatings
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Advanced Wear-Resistant Materials and Coatings
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Advanced Wear-Resistant Materials and Coatings

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

Deadline for manuscript submissions: 30 November 2024 | Viewed by 2054

Special Issue Editors

Dr. Oscar Zambrano

E-Mail Website
Guest Editor
Mining Wear and Corrosion Laboratory, National Research Council Canada, 4250 Wesbrook Mall, Vancouver, BC V6T 1W5, Canada
Interests: tribology; steel metallurgy; hot processing of materials; materials characterization, and corrosion
Special Issues, Collections and Topics in MDPI journals
Dr. Md Aminul Islam

E-Mail Website
Guest Editor
Mining Wear and Corrosion Laboratory, National Research Council Canada, 4250 Wesbrook Mall, Vancouver, BC V6T 1W5, Canada
Interests: tribology; sustainable engineering; high entropy alloy
Dr. Jiaren Jiang

E-Mail Website
Guest Editor
Mining Wear and Corrosion Laboratory, National Research Council Canada, 4250 Wesbrook Mall, Vancouver, BC V6T 1W5, Canada
Interests: wear of materials; tribo-corrosion; materials processing
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

The aim of this Special Issue is to compile a collection of high-impact works related to the tribological evaluation and characterization of cutting-edge materials and coatings. This includes the use of novel processing routes to achieve higher wear resistance properties or specific friction behaviors. This Special Issue aims to stimulate researchers’ interest in sharing their results regarding wear problems using new materials and novel technologies. The following topics are encouraged for submission in this Special Issue:

  • The creation of innovative wear and corrosion-resistant alloys using various methods, such as additive manufacturing processes (3D printing), thermal spray, and laser cladding, among others.
  • Exploration of the wear resistance behavior of novel alloys that could exhibit higher wear resistance than conventional alloys.
  • Experimental research or theoretical investigations into new materials that demonstrate exceptional friction behavior or wear resistance under diverse testing scenarios.
  • We also encourage case studies that demonstrate the application of new alloys or technologies to address real-world challenges associated with wear.
  • Review articles on recent trends and development of wear resistant materials and coatings for industrial applications.

Dr. Oscar Zambrano
Dr. Md Aminul Islam
Dr. Jiaren Jiang
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

  • wear
  • friction
  • tribology
  • novel materials
  • microstructure
  • deposition techniques
  • wear mechanisms

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Further information on MDPI's Special Issue polices can be found here.

Published Papers (2 papers)

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Research

11 pages, 886 KiB  
Article
Energy Loss in Frictional Hertzian Contact Subjected to Two-Dimensional Cyclic Loadings
by Young Ju Ahn
Coatings 2024, 14(11), 1440; https://doi.org/10.3390/coatings14111440 - 13 Nov 2024
Viewed by 323
Abstract
We investigate the effect of three different harmonically varying loads as a function of the friction coefficient on energy loss in a three-dimensional discrete uncoupled frictional contact problem. Three loading cases include (1) a normal force is constant and a tangential force varies, [...] Read more.
We investigate the effect of three different harmonically varying loads as a function of the friction coefficient on energy loss in a three-dimensional discrete uncoupled frictional contact problem. Three loading cases include (1) a normal force is constant and a tangential force varies, (2) normal and tangential forces both vary, but the loading and unloading curves are identical, and (3) normal and tangential forces both vary, but the loading and unloading curves are different. For a higher coefficient of friction, three loading cases show different characteristics. If a normal force is constant and a tangential force varies, there is always some slip, but dissipation tends asymptotically to zero at large coefficient of friction. If normal and tangential forces both vary, but the loading and unloading curves are identical, there is no slip and no dissipation above a critical coefficient of friction. If the loading and unloading curves are different, dissipation occurs for all values of the coefficient of friction, and we expect that the dissipation is asymptotic to the relaxation damping value as the coefficient of friction approaches infinity. For lowering coefficient of friction, the three loading cases show similar behavior. Dissipation increases and reaches a maximum just before a state where gross slip is possible. Full article
(This article belongs to the Special Issue Advanced Wear-Resistant Materials and Coatings)
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16 pages, 3266 KiB  
Article
Wear Resistance Behavior of Low-, Mid-, and High-Phosphorus Electroless Ni-P Coatings Heat-Treated in the Air Environment
by Dhani Ram Dhakal, Young Uk Han, Byung Geon Lee, Tae Ho Kim, Gi Bum Jang and Sung Youl Cho
Coatings 2024, 14(5), 648; https://doi.org/10.3390/coatings14050648 - 20 May 2024
Viewed by 1331
Abstract
The high-temperature heat treatment of electroless nickel–phosphorus (Ni-P) coatings in an air environment, and its consequences have scarcely been investigated. This work investigated tribological characteristics of the high-temperature, heat-treated, electroless Ni-P coatings on steel substrates with low-, mid-, and high-phosphorus content for which [...] Read more.
The high-temperature heat treatment of electroless nickel–phosphorus (Ni-P) coatings in an air environment, and its consequences have scarcely been investigated. This work investigated tribological characteristics of the high-temperature, heat-treated, electroless Ni-P coatings on steel substrates with low-, mid-, and high-phosphorus content for which the average phosphorus content was 2.4 wt.%, 7.1 wt.%, and 10.3 wt.%, respectively. X-ray fluorescence and energy dispersive spectroscopy were implemented to determine the phosphorus content of the coatings. The oxidation of Ni and the formation of the NiO layer on the coating surface was confirmed by the X-ray diffraction technique. A reciprocating sliding method on a ball-on-flat system was utilized to evaluate the coating’s friction and wear behavior. Among the coatings with varying phosphorus content, a high hardness of 1086 HV was found for high-phosphorus coating when heat-treated at 400 °C in an air environment, and that was decreased to 691 HV when heat-treated at 650 °C. The oxidation of nickel in the electroless Ni-P coating occurred when heat-treated at 400 °C in an air environment, and this phenomenon was increased more when the temperature was increased to 650 °C. The characteristics of the NiO layer that formed on the surface of the heat-treated electroless Ni-P coating were influenced by the concentration of phosphorus, which caused different colors of NiO to be seen on the Ni-P coating surface. A greenish black NiO layer on the low-phosphorus and black NiO layer on the mid- and high-phosphorus Ni-P coating was developed during heat treatment at 650 °C in an air atmosphere. The adhesion and tribological characteristics of the Ni-P coatings were affected by the NiO layer developed on the heat-treated Ni-P coating surfaces. The Ni-P coatings with mid- and high-phosphorus content showed enhanced wear-resistance characteristics when they underwent heat treatment in an air atmosphere at the high temperature of 650 °C. The wear volume obtained for as-plated mid-phosphorus and high-phosphorus Ni-P coatings was 0.111 mm3 and 0.128 mm3, respectively, and that was reduced to 0.031 mm3 and 0.051 mm3, respectively, after the high-temperature heat treatment. Full article
(This article belongs to the Special Issue Advanced Wear-Resistant Materials and Coatings)
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