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Crystals
Special Issues
Corrosion Resistant Coatings for Metallic Materials
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Corrosion Resistant Coatings for Metallic Materials

A special issue of Crystals (ISSN 2073-4352). This special issue belongs to the section "Inorganic Crystalline Materials".

Deadline for manuscript submissions: closed (28 February 2023) | Viewed by 3066

Special Issue Editors

Dr. Mosab Kaseem

E-Mail Website
Guest Editor
Department of Nano Technology and Advanced Materials Engineering, Sejong University, Seoul, Korea
Interests: corrosion; self-assembly; coatings; surface modification; functional coatings
Special Issues, Collections and Topics in MDPI journals
Prof. Dr. Burak Dikici

E-Mail Website
Guest Editor
Department of Mechanical Engineering, Ataturk University, Erzurum 25240, Turkey
Interests: manufacturing processes of bio-coatings; in vitro corrosion of biomaterials; biodegradable metallic materials; high-entropy alloy coatings; sol–gel; PVD/CVD-based coatings; bioceramic coatings; plasma electrolytic oxidation
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

In the last decade, metallic alloys have become more widely researched due to their special properties, such as hardness, toughness, corrosion resistance, magnetizability, and ductility. Despite all their mechanical features, one limitation, related to high chemical reactivity and less compact oxidation films, increases the risk of corrosion. To understand how to reduce these effects of corrosion on metallic alloys, it is important to understand the relationship between corrosion and coatings. Various surface modification techniques must be adopted to impair this restriction, focusing on the electrochemical interaction between the intermetallic layers and the external environment. The purpose of this Special Issue, “Corrosion-Resistant Coatings of Metallic Materials”, is to publish advanced theoretical research concerning various additional alloy coatings, along with experimental proof enabling researcher to practically resolve factors caused by corrosive environments. This Special Issue aims to particularly highlight the chemical and physical attributes of externally applied coatings, such as surface morphology, hydrophobicity, chemical reactivity, the adsorption/formation of complex compounds, inter/intramolecular interactions with corrosive media, and catalytic degradation. Such complexity has caused it to be even more necessary to address the effects of corrosion on coatings. Moreover, we hope for the electrochemical response to be discussed explicitly based on a detailed corrosion mechanism. All manuscripts are thoroughly reviewed, and those accepted will be published immediately online in an ongoing fashion in this Special Issue.

Dr. Mosab Kaseem
Dr. Burak Dikici
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. Crystals 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

  • corrosion
  • corrosion inhibitors
  • corrosion mechanism
  • alloys
  • super-hydrophobic/hydrophilic coatings
  • wear reduction
  • advanced biodegradable coatings
  • biomedical implants
  • thermal barrier coatings to corrosion
  • corrosion-resistant coatings
  • electrochemical responses of coatings
  • spray coatings for corrosion protection
  • structural characterization–corrosion relationship of coatings
  • oxidation/corrosion behavior of high-entropy alloy coatings
  • corrosion-resistant coatings for industrial applications

Published Papers (2 papers)

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Research

13 pages, 4960 KiB  
Article
Wear and Corrosion Behavior of Cold-Sprayed Cu-10Sn Coatings
by Ismail Ozdemir, Bahattin Bulbul, Thomas Grund and Thomas Lampke
Crystals 2023, 13(3), 523; https://doi.org/10.3390/cryst13030523 - 18 Mar 2023
Cited by 1 | Viewed by 1109
Abstract
Gas-atomized Cu-10Sn powders as a potential substitute for sintered bronze layers are usually employed in plain-bearing shells produced by cold spray (CS) processes on steel substrates (AISI 1010). In this study, the effective thickness, i.e., approx. 450 µm, of the bronze overlay required [...] Read more.
Gas-atomized Cu-10Sn powders as a potential substitute for sintered bronze layers are usually employed in plain-bearing shells produced by cold spray (CS) processes on steel substrates (AISI 1010). In this study, the effective thickness, i.e., approx. 450 µm, of the bronze overlay required for the bearing shell was successfully and cost-effectively deposited in a short time. A ball-on-disc test setup was used to explore the tribological behavior of cold-sprayed bronze coatings under dry sliding conditions, and the electrochemical corrosion behaviors of sprayed coatings at room temperature were also evaluated by using the potentiodynamic scanning (PDS) technique in acidic (0.01 M Na2SO4) and alkaline (3.5% NaCl) environments. The characterization of the sprayed bronze coatings revealed no formation of oxidation or new phases during cold spraying and that the coatings were well-adhered to the substrates, implying good bonding. The wear results demonstrated that, as the load and sliding distance increased, the friction coefficients and wear rates of the sprayed coatings decreased. The PDS results showed that the corrosion resistance of the Cu-10Sn coating layer in an acidic environment is higher than that in an alkaline environment. In addition, the coated layer presented no passivation or pitting onset due to the heavy corrosion reaction in an alkaline solution. Full article
(This article belongs to the Special Issue Corrosion Resistant Coatings for Metallic Materials)
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10 pages, 4272 KiB  
Article
Research on Corrosion Resistance and Formation Mechanism of Molybdate Composite Film
by Yi Wan, Qiaoping Liu and Yunying Fan
Crystals 2022, 12(11), 1559; https://doi.org/10.3390/cryst12111559 - 01 Nov 2022
Cited by 1 | Viewed by 1440
Abstract
In order to reduce phosphorus pollution, the low phosphorus passivation process on Q235 steel was studied. The electrochemical method was used to test the corrosion resistance of sodium molybdate low phosphorus passivation. The polarization curve shows that the corrosion current of the sample [...] Read more.
In order to reduce phosphorus pollution, the low phosphorus passivation process on Q235 steel was studied. The electrochemical method was used to test the corrosion resistance of sodium molybdate low phosphorus passivation. The polarization curve shows that the corrosion current of the sample passivated by low phosphorus is only 1/4 of that of the blank sample. Under scanning electron microscopy, the passivation film obtained by low phosphorus passivation treatment had the lowest phosphorus content and was more uniform and compact. The XPS (X-ray photoelectron spectroscopy) and OCP (open circuit potential) were used to study the film formation regularity and mechanism of low molybdenum sodium passivation. The results show that sodium molybdate low phosphorus passivation film has good corrosion resistance. The formation process of a passivation film can be divided into four stages alternating phosphating and passivation. The surface of the passivation film is mainly composed of phosphate, molybdate, molybdenum oxide, and their crystalline hydrates. The low phosphorus passivation process of sodium molybdate can reduce the concentration of phosphorus ions and reduce its pollution to the environment, which has broad application prospects. Full article
(This article belongs to the Special Issue Corrosion Resistant Coatings for Metallic Materials)
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