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Wear and Corrosion Behavior of Ceramic- and Ceramic-Metal Based Coatings
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Wear and Corrosion Behavior of Ceramic- and Ceramic-Metal Based Coatings

A special issue of Coatings (ISSN 2079-6412). This special issue belongs to the section "Ceramic Coatings and Engineering Technology".

Deadline for manuscript submissions: closed (15 October 2021) | Viewed by 12919

Special Issue Editor

Prof. Jakob Kübarsepp

E-Mail Website
Guest Editor
Faculty of Engineering, Department of Mechanical and Industrial Engineering, Tallinn University of Technology, Ehitajate tee 5, Tallinn, 19086, Estonia
Interests: wear- and corrosion-resistant powder composites—cermets, cemented carbides, and ceramics; cermets and cemented carbides with alternative, Fe-based binders; wear resistance; corrosion resistance; raw materials supply, environmental safety, and healthcare considerations in production and application of composites

Special Issue Information

Dear Colleagues,

I would like invite you to submit your latest research results to this Special Issue on “Wear and Corrosion Behavior of Ceramics and Ceramic-Metal Composites”. It is known that the losses resulting from wear and corrosion in life-cycle costs of equipment may be tremendous. According to recent studies, losses due to friction and wear comprise 1.4% (K. Holmberg, A. Erdemir, Influence of tribology on global energy consumption, costs and emissions. Friction, 5, (2017), 263-284) and due to corrosion 3.4% (Assessment of the global cost of corrosion: http://impact.nace.org/economic-impact.aspx) of the world’s GDP. In some industries, such as metallurgy, mining, building materials production etc., and recycling of wear parts and consumables, comprise a marked part of life-cycle costs. Therefore, the challenge is to develop reliable and cost-effective wear- and/or corrosion-resistant ceramics, ceramic–metal composites, thick hardfacings and thin coatings on the basis of advanced technologies.

The scope of this Special Issue includes the latest developments in the field of wear- and/or corrosion-resistant hardfacings, thin coatings, ceramics, and ceramic–metal composites for industrial applications.

In particular, the topics of interest include but are not limited to:

  • Composite hardfacings;
  • Fe- based composite hardfacings;
  • Thin coating in wear and corrosion applications
  • Ceramics for tribological (wear) applications;
  • Ceramic–metal composites for tribological applications;
  • Ceramic–metal composites with alternative binders;
  • Hardfacings and composites from recycled materials;
  • Wear behavior of hardfacings, ceramics, and ceramic–metal composites;
  • Corrosion behavior of hardfacings, ceramics and ceramic–metal composites.

Prof. Jakob Kübarsepp
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.

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Published Papers (4 papers)

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Research

15 pages, 14689 KiB  
Article
HVOF Sprayed Fe-Based Wear-Resistant Coatings with Carbide Reinforcement, Synthesized In Situ and by Mechanically Activated Synthesis
by Dmytro Tkachivskyi, Kristjan Juhani, Andrei Surženkov, Priit Kulu, Tomáš Tesař, Radek Mušálek, František Lukáč, Jakub Antoš, Marek Vostřák, Maksim Antonov and Dmitri Goljandin
Coatings 2020, 10(11), 1092; https://doi.org/10.3390/coatings10111092 - 14 Nov 2020
Cited by 2 | Viewed by 3149
Abstract
The aims of this study were: (1) to produce composite coatings by high velocity oxy fuel (HVOF) spraying with steel matrix reinforced by cermets (a) Cr3C2–20%Ni and (b) TiC–20%NiMo, manufactured by mechanically activated synthesis (MAS); (2) to synthesize in [...] Read more.
The aims of this study were: (1) to produce composite coatings by high velocity oxy fuel (HVOF) spraying with steel matrix reinforced by cermets (a) Cr3C2–20%Ni and (b) TiC–20%NiMo, manufactured by mechanically activated synthesis (MAS); (2) to synthesize in situ a carbide reinforcement for iron matrix from a mixture of titanium and carbon during HVOF reactive thermal spraying (RTS); (3) to compare the wear resistance of produced coatings. As a reference, HVOF sprayed coatings from commercial Cr3C2–25%NiCr (Amperit 588.074) and AISI 316L were utilized. Study of microstructure revealed the inhomogeneity of the Cr-based MAS coating; the Ti-based MAS coating had typical carbide granular structure, and the Ti-based RTS coating possessed elongated structures of TiC. The X-ray diffraction revealed two main phases in the Cr-based MAS coating: Cr3C2 and austenite, and two phases in the Ti-based coatings: TiC and austenite. Among the studied coatings, the Cr-based MAS coating demonstrated the highest low-force hardness (490 HV0.3). During the abrasive rubber wheel test (ASTM G65), the Ti-based MAS coating showed the best wear resistance, followed by Cr3C2–25%NiCr and Ti-based RTS coating. In the abrasive–erosive test (GOST 23.201-78), the Ti-based MAS coating was 44% better than Cr3C2–25%NiCr coating. The Ti-based RTS coating was 11% more wear resistant than the reference Cr3C2–25%NiCr coating. Full article
(This article belongs to the Special Issue Wear and Corrosion Behavior of Ceramic- and Ceramic-Metal Based Coatings)
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11 pages, 1371 KiB  
Article
Residual Stresses on Various PVD Hard Coatings on Tube and Plate Substrates
by Harri Lille, Alexander Ryabchikov, Priidu Peetsalu, Liina Lind, Fjodor Sergejev, Valdek Mikli and Jakob Kübarsepp
Coatings 2020, 10(11), 1054; https://doi.org/10.3390/coatings10111054 - 30 Oct 2020
Cited by 5 | Viewed by 2863
Abstract
In this study, the average residual stresses were determined in hard PVD nACRo (nc-AlCrN/a-Si3N4), nACo (nc-AlTiN/a-Si3N4), AlCrN, TiAlN, and TiCN commercial coatings through the deflection of the plate substrates and the simultaneous measurement of length [...] Read more.
In this study, the average residual stresses were determined in hard PVD nACRo (nc-AlCrN/a-Si3N4), nACo (nc-AlTiN/a-Si3N4), AlCrN, TiAlN, and TiCN commercial coatings through the deflection of the plate substrates and the simultaneous measurement of length variation in thin-walled tubular substrates. The length measuring unit was used for the measurement of any length change in the tubular substrate. A change in tube length was reduced to the deflection of the middle cross-section of the elastic element for which deformation was measured using four strain gauges. The cross-sectional microstructure and thickness of the coatings were investigated by means of scanning electron microscopy (SEM), and a determination was made of the chemical composition of the coatings and substrate by means of energy dispersive X-ray spectroscopy (EDS). The values of average compressive residual stresses, as determined by both methods, were very high (with a variation of between 2.05 and 6.63 GPa), irrespective of coating thickness, but were dependent upon the shape of the substrate and on its position in relation to the axis of the rotating cathode. The thicknesses of the coatings that were deposited on the plates with two parallel fixings (such as the nACRo coatings on the front surface at 6.8 μm and on the rear surface at 2.9 μm) and on the tubular substrates (10.0 μm) were significantly different. The higher average compressive residual stresses in the coating correlate to the higher average relative wear resistance that was obtained during field wear testing. Full article
(This article belongs to the Special Issue Wear and Corrosion Behavior of Ceramic- and Ceramic-Metal Based Coatings)
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10 pages, 34349 KiB  
Article
High-Temperature Tribological Performance of Hard Multilayer TiN-AlTiN/nACo-CrN/AlCrN-AlCrO-AlTiCrN Coating Deposited on WC-Co Substrate
by Asad Alamgir, Maxim Yashin, Andrei Bogatov, Mart Viljus, Rainer Traksmaa, Jozef Sondor, Andreas Lümkemann, Fjodor Sergejev and Vitali Podgursky
Coatings 2020, 10(9), 909; https://doi.org/10.3390/coatings10090909 - 22 Sep 2020
Cited by 11 | Viewed by 3141
Abstract
Mechanical and tribological properties of the hard-multilayer TiN-AlTiN/nACo-CrN/AlCrN-AlCrO-AlTiCrN coating deposited on WC-Co substrate were investigated. The sliding tests were carried out using ball-on-disc tribometer at room (25 °C) and high temperatures (600 and 800 °C) with Al2O3 balls as counterpart. [...] Read more.
Mechanical and tribological properties of the hard-multilayer TiN-AlTiN/nACo-CrN/AlCrN-AlCrO-AlTiCrN coating deposited on WC-Co substrate were investigated. The sliding tests were carried out using ball-on-disc tribometer at room (25 °C) and high temperatures (600 and 800 °C) with Al2O3 balls as counterpart. Nano-scratch tests were performed at room temperature with a sphero-conical diamond indenter. The surface morphology and chemical composition were investigated with scanning electron microscopy (SEM), energy-dispersive spectrometry (EDS) and in-situ high-temperature X-ray diffraction (HT-XRD). The phase transition from fcc-(Al,Cr)2O3 into α-(Al,Cr)2O3 was observed at about 800 °C. The results of the tribological tests depends on the temperature, the lowest apparent and real wear volumes were observed on the coating after the test at 800 °C along with the smallest coefficient of friction (COF). The plastic deformation of the coating was confirmed in sliding and nano-scratch tests. The nano-scratch tests revealed the dependence of COF value on the temperature of the sliding tests. Full article
(This article belongs to the Special Issue Wear and Corrosion Behavior of Ceramic- and Ceramic-Metal Based Coatings)
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13 pages, 10821 KiB  
Article
Research on Tribological Characteristics of Hard Metal WC-Co Tools with TiAlN and CrN PVD Coatings for Processing Solid Oak Wood
by Deividas Kazlauskas, Vytenis Jankauskas and Simona Tučkutė
Coatings 2020, 10(7), 632; https://doi.org/10.3390/coatings10070632 - 30 Jun 2020
Cited by 14 | Viewed by 3195
Abstract
The article presents research results that demonstrate the impacts of mechanical and tribological characteristics on the efficiency of cutting tools made from hard metal WC-Co. Uncoated tools and tools coated with physical vapor deposition (PVD) coatings (CrN and TiAlN) were tested. The thickness [...] Read more.
The article presents research results that demonstrate the impacts of mechanical and tribological characteristics on the efficiency of cutting tools made from hard metal WC-Co. Uncoated tools and tools coated with physical vapor deposition (PVD) coatings (CrN and TiAlN) were tested. The thickness of coatings was determined, and tests of roughness, microhardness, and adhesion were performed. The coefficient of friction (COF) was established by different methods, and the wear of the tested cutters which occurs during the milling of solid oak wood, and the impact of this on surface roughness, were determined. The results revealed that uncoated WC-Co cutters are the least resistant to wear, while cutters coated with chromium nitride (CrN) are the most resistant. Both PVD coatings were damaged in the 9050 m in area of the cutting edge. Full article
(This article belongs to the Special Issue Wear and Corrosion Behavior of Ceramic- and Ceramic-Metal Based Coatings)
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