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Future Trends and Perspectives of Surface, Mechanical and Tribological Properties...
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Future Trends and Perspectives of Surface, Mechanical and Tribological Properties of Steel Coatings

A special issue of Materials (ISSN 1996-1944). This special issue belongs to the section "Metals and Alloys".

Deadline for manuscript submissions: closed (10 April 2023) | Viewed by 3555

Special Issue Editors

Dr. Marko Sedlacek

E-Mail Website
Guest Editor
Institute of Metals and Technology, Lepi pot 11, 1000 Ljubljana, Slovenia
Interests: surface topography; coatings; surface texturing; fatigue
Special Issues, Collections and Topics in MDPI journals
Dr. Borut Žužek

E-Mail Website
Guest Editor
Institute of Metals and Technology, Lepi pot 11, 1000 Ljubljana, Slovenia
Interests: mechanical properties; fatigue; failure analysis

Special Issue Information

Dear Colleagues,

Protective coatings of steels are widely used in various industries in order to provide an extra layer of protection from mechanical and environmental conditions. Coatings can also be used in the repair and restoration of worn components. Different applications of coatings can greatly improve the performance and extend the working life of treated parts and components. In various industries, steel coatings are used in order to increase wear resistance, minimize friction, protect surfaces from environment and corrosion, repairing and restoring worn components, etc.

In particular, the topic of interest includes but is not limited to:

  • New coatings for industrial use;
  • Coating performance in an industrial environment;
  • Quality control and wear monitoring of coated components;
  • Use of coatings in severe contact conditions;
  • Influence of coatings on wear resistance;
  • Influence on corrosion resistance;
  • Influence of substrate properties on load bearing capacity;
  • Properties of repaired and restored worn components.

Dr. Marko Sedlacek
Dr. Borut Žužek
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. Materials is an international peer-reviewed open access semimonthly 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

  • steel coatings
  • mechanical properties
  • tribological properties
  • deposition
  • wear
  • friction
  • corrosion

Published Papers (2 papers)

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Research

16 pages, 14176 KiB  
Article
Nitriding Effect on the Tribological Performance of CrN-, AlTiN-, and CrN/AlTiN-Coated DIN 1.2367 Hot Work Tool Steel
by Gülşah Aktaş Çelik, Şaban Hakan Atapek, Şeyda Polat, Aleksei Obrosov and Sabine Weiß
Materials 2023, 16(7), 2804; https://doi.org/10.3390/ma16072804 - 31 Mar 2023
Cited by 3 | Viewed by 1326
Abstract
In this study, heat-treated and multisurface engineered DIN 1.2367 tool steel was subjected to room and elevated temperature wear tests, and the effect of nitriding on its tribological behavior was investigated. CrN, AlTiN, and CrN/AlTiN coatings with a total thickness of 2 µm [...] Read more.
In this study, heat-treated and multisurface engineered DIN 1.2367 tool steel was subjected to room and elevated temperature wear tests, and the effect of nitriding on its tribological behavior was investigated. CrN, AlTiN, and CrN/AlTiN coatings with a total thickness of 2 µm were obtained by arc cathodic physical vapor deposition on conventional heat-treated and gas-nitrided steels. The white layer formed during nitriding was removed, and a diffusion layer (100 µm) was achieved in the cross section of the steel having a tempered martensitic matrix. The highest surface hardness was attained with an integral coating (CrN/AlTiN), and surface hardness increased even more after nitriding due to the formation of a multicomponent ceramic layer on top of the diffusion layer. The room temperature wear tests performed against an alumina counterpart revealed that (i) CrN/AlTiN-coated steel had the highest friction coefficient of 0.26, which further increased to 0.33 by nitriding due to the increase in shear strength, and that (ii) with increasing surface hardness, the specific wear rates (W) of the heat-treated and coated steels could be ranked as follows: WCrN/AlTiN < WAlTiN < WCrN. The wear rates decreased when nitriding was carried out prior to coating. In order to simulate the aluminum extrusion conditions, hot wear behavior of the surfaces against AA6080 alloy at 450 °C was investigated. The hot wear tests revealed that (i) high friction coefficients were reached due to the adhesive characteristic of aluminum to the surfaces, (ii) the nitrided and CrN/AlTiN-coated sample exhibited the lowest wear rate among all studied surfaces, and (iii) the film damage on the worn surfaces mostly occurred in the form of droplet delamination. Full article
(This article belongs to the Special Issue Future Trends and Perspectives of Surface, Mechanical and Tribological Properties of Steel Coatings)
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17 pages, 6659 KiB  
Article
The Effect of Drawing in Conventional and Hydrodynamic Dies on Structure and Corrosion Resistance of Hot-Dip Galvanized Zinc Coatings on Medium-Carbon Steel Wire
by Maciej Suliga, Radosław Wartacz, Marek Hawryluk and Joanna Kostrzewa
Materials 2022, 15(19), 6728; https://doi.org/10.3390/ma15196728 - 28 Sep 2022
Cited by 6 | Viewed by 1344
Abstract
The paper presents the impact of the drawing method on the microstructure and corrosion resistance of galvanized steel wires. The microstructural tests confirmed that, in the drawing speed range v = 5–20 m/s, the use of hydrodynamic dies creates more favorable conditions for [...] Read more.
The paper presents the impact of the drawing method on the microstructure and corrosion resistance of galvanized steel wires. The microstructural tests confirmed that, in the drawing speed range v = 5–20 m/s, the use of hydrodynamic dies creates more favorable conditions for the deformation of the soft zinc coating on the hard steel core. The increase in friction at the wire/die interface in the conventional method, as compared to the hydrodynamic method, contributed to the decrease in coating thickness and the increase in the diffusion layer, and the higher the drawing speed, the greater the differences between the analyzed drawing methods. In the conventional method, while drawing at high speeds v = 20 m/s, there was a two-way diffusion and complete remodeling of the ζ phase in δ1. In the hydrodynamic method, at the speed of 20 m/s, in the analyzed micro-areas, places showing the presence of the ζ phase, partially dispersed in the layer with pure zinc, were observed. A corrosion tests comparison between conventionally and hydrodynamically drawn wires showed an improved behavior of the latter. The greater mass in the surface layer of pure zinc, a substrate for the corrosion product in hydrodynamically drawn wires, reacted, creating insulation from the white corrosion produced. The compressive stresses in the hydrodynamic dies caused by the high pressure of the lubricant on the circumference of the wire closed the microcracks on its surface, which additionally sealed the zinc coating. Full article
(This article belongs to the Special Issue Future Trends and Perspectives of Surface, Mechanical and Tribological Properties of Steel Coatings)
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