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Lubricants
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Plasma Surface Treatments for Wear and Corrosion Protection
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Plasma Surface Treatments for Wear and Corrosion Protection

A special issue of Lubricants (ISSN 2075-4442).

Deadline for manuscript submissions: closed (31 August 2023) | Viewed by 4577

Special Issue Editors

Prof. Dr. Yongfeng Jiang

E-Mail Website
Guest Editor
College of Mechanical and Electrical Engineering, Hohai University, Changzhou 213022, China
Interests: plasma sputtering; plasma spraying
Prof. Dr. Wei Yang

E-Mail Website
Guest Editor
School of Materials Science and Chemical Engineering, Xi'an Technological University, Xi'an 710021, China
Interests: plasma sputtering; plasma spraying

Special Issue Information

Dear Colleagues,

Plasma technology can be used as an eco-friendly method of surface treatment. Such a method includes physical and chemical plasma technologies and electrolytic plasma saturation.

Plasma sputtering and plasma spraying are examples of physical plasma technologies for smart films and coatings for wear and corrosion protection. Plasma sputtering is a method that uses sputtering by bias and other methods so that the atoms of the target have sufficient ability to break away from the interatomic force, splashing out and finally falling on the substrate that needs plating. Moreover, plasma spraying technology is a method that uses a plasma arc driven by a direct current as a heat source to heat materials such as ceramic alloy metals to molten or semi-molten states or to spray coatings onto the workpiece surface after pretreatment at high speed to form a solid surface layer. Plasma electrolytic saturation technology such as plasma electrolytic oxidation (PEO) and plasma electrolytic alloying was investigated for wear and corrosion. PEO coatings on aluminum alloys, magnesium alloys, and titanium alloys were prepared for wear and corrosion protection at both normal and elevated temperatures. Furthermore, applications of plasma electrolytic carboning, plasma electrolytic nitriding, and plasma electrolytic boriding on steel were investigated for wear in the short-term compared to chemical carboning, chemical nitriding, and chemical boriding.

These methods are applied to tools, molds, and bearings for wear and corrosion protection.

Prof. Dr. Yongfeng Jiang
Prof. Dr. Wei Yang
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. Lubricants 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

  • plasma sputtering
  • plasma-enhanced sputtering
  • plasma spraying
  • plasma nitriding
  • plasma electrolytic oxidation
  • plasma electrolytic carboning
  • plasma electrolytic nitriding
  • plasma electrolytic boriding
  • plasma electrolytic saturation
  • corrosion
  • wear

Published Papers (3 papers)

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Research

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17 pages, 6920 KiB  
Article
Tribological Performance of a Plasma Electrolytic Oxidation-Coated Mg Alloy in Graphene-Incorporated Ethanol
by Sukanta Bhowmick, Faiz Muhaffel, Shayan Shirzadian, Huseyin Cimenoglu and Ahmet T. Alpas
Lubricants 2024, 12(1), 9; https://doi.org/10.3390/lubricants12010009 - 28 Dec 2023
Viewed by 1307
Abstract
This study investigated the friction and wear characteristics of a plasma electrolytic oxidation (PEO)-coated Mg–Al alloy (AZ31) in sliding contact against steel using graphene nanoplatelets (GNPs) containing ethanol as a lubricant. The results revealed that the typically high coefficient of friction (COF) of [...] Read more.
This study investigated the friction and wear characteristics of a plasma electrolytic oxidation (PEO)-coated Mg–Al alloy (AZ31) in sliding contact against steel using graphene nanoplatelets (GNPs) containing ethanol as a lubricant. The results revealed that the typically high coefficient of friction (COF) of PEO-coated surfaces under dry sliding (0.74) was notably reduced to 0.18 during the sliding tests conducted in GNP-free ethanol. When the ethanol contained 5 × 10−4 wt.% GNPs, the COF of the uncoated AZ31 alloy further dropped to 0.17. The PEO-coated surfaces achieved a significantly lower COF of 0.07 and demonstrated a marked reduction in wear rate, attributed to the formation of a tribolayer incorporating graphene. These findings highlight the significant potential of GNP-incorporated ethanol to improve the tribological performance of PEO-coated AZ31, presenting a promising avenue for advancing lightweight, sustainable, and efficient automotive technologies. Full article
(This article belongs to the Special Issue Plasma Surface Treatments for Wear and Corrosion Protection)
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0 pages, 6049 KiB  
Article
High-Temperature Wear and Frictional Performance of Plasma-Nitrided AISI H13 Die Steel
by Ashish Kumar, Manpreet Kaur, Alphonsa Joseph, Ghanshyam Jhala, Tarun Nanda and Surinder Singh
Lubricants 2023, 11(10), 448; https://doi.org/10.3390/lubricants11100448 - 17 Oct 2023
Viewed by 1312
Abstract
Plasma nitriding, a surface treatment technique, is gaining popularity, as it is environment-friendly and offers superior mechanical properties. This research studied the wear and friction performance of AISI H13 die steel after plasma nitriding in a gas mixture of N2:H2 at 20:80, 50:50, [...] Read more.
Plasma nitriding, a surface treatment technique, is gaining popularity, as it is environment-friendly and offers superior mechanical properties. This research studied the wear and friction performance of AISI H13 die steel after plasma nitriding in a gas mixture of N2:H2 at 20:80, 50:50, and 80:20 (volume ratio) at a fixed time and temperature. This work aimed to analyze the sliding wear performance of the plasma-nitrided tool die steel in hot-forming operations at higher loads. Scanning electron microscopy/electron-dispersive spectroscopy (SEM/EDS) and X-ray diffraction (XRD) techniques were used to study the microstructures of the H13 die steel pins after plasma nitriding. Wear tests were performed on a high-temperature tribometer under uni-directional sliding and dry conditions using a high-temperature tribometer under a 50 N load at various operating temperatures ranging from 25 °C to 600 °C. The results show that the plasma-nitriding process with N2:H2 at 20:80 improved the wear behavior of H13 steel. The friction coefficients and wear volume losses for all the plasma-nitrided specimens were less than those of the untreated die steel. Full article
(This article belongs to the Special Issue Plasma Surface Treatments for Wear and Corrosion Protection)
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Review

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35 pages, 4714 KiB  
Review
Unveiling the Effect of Particle Incorporation in PEO Coatings on the Corrosion and Wear Performance of Magnesium Implants
by Yasir Q. Almajidi, Eyhab Ali, Madiha Fouad Jameel, Luma Hussain Saleh, Saurabh Aggarwal, Sajad Ali Zearah, Abbas Firras Alamula, Ali Alsaalamy, Fariborz Sharifianjazi and Masoud Soroush Bathaei
Lubricants 2023, 11(12), 519; https://doi.org/10.3390/lubricants11120519 - 8 Dec 2023
Viewed by 1566
Abstract
Magnesium has been a focal point of significant exploration in the biomedical engineering domain for many years due to its exceptional attributes, encompassing impressive specific strength, low density, excellent damping abilities, biodegradability, and the sought-after quality of biocompatibility. The primary drawback associated with [...] Read more.
Magnesium has been a focal point of significant exploration in the biomedical engineering domain for many years due to its exceptional attributes, encompassing impressive specific strength, low density, excellent damping abilities, biodegradability, and the sought-after quality of biocompatibility. The primary drawback associated with magnesium-based implants is their susceptibility to corrosion and wear in physiological environments, which represents a significant limitation. Research findings have established that plasma electrolytic oxidation (PEO) induces substantial modifications in the surface characteristics and corrosion behavior of magnesium and its alloy counterparts. By subjecting the surface to high voltages, a porous ceramic coating is formed, resulting in not only altered surface properties and corrosion resistance, but also enhanced wear resistance. However, a drawback of the PEO process is that excessive pore formation and porosity within the shell could potentially undermine the coating’s corrosion and wear resistances. Altering the electrolyte conditions by introducing micro- and nano-particles can serve as a valuable approach to decrease coating porosity and enhance their ultimate characteristics. This paper evaluates the particle adhesion, composition, corrosion, and wear performances of particle-incorporated coatings applied to magnesium alloys through the PEO method. Full article
(This article belongs to the Special Issue Plasma Surface Treatments for Wear and Corrosion Protection)
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