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Wear Resistance Surface Layers and Coatings on Metals and Alloys
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Wear Resistance Surface Layers and Coatings on Metals and Alloys

A special issue of Materials (ISSN 1996-1944). This special issue belongs to the section "Thin Films and Interfaces".

Deadline for manuscript submissions: closed (31 December 2020) | Viewed by 9967

Special Issue Editor

Dr. Marcin Adamiak

E-Mail Website
Guest Editor
Materials Research Laboratory, Faculty of Mechanical Engineering, Silesian University of Technology, Konarskiego 18A Str., 44-100 Gliwice, Poland
Interests: engineering materials; composites materials; biomaterials; surface engineering; manufacturing processes and technologies; welding; PVD; powder metallurgy; investigation techniques (electron microscopy, SEM, TEM)
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

The introduction of efficient processes of modifying or coating the surface of a component to enhance its properties plays an important role in their practical application, especially when tribology is of concern and wear may occur. This Special Issue on “Wear Resistance Surface Layers and Coatings on Metals and Alloys” will provide a forum for publishing papers which advance the in-depth understanding of the relationship between structure, properties or the functions of surface layers and coatings on nonferrous materials and their alloys.

The modification of microstructures and/or composition of the near-surface region of a component to improve surface-dependent engineering properties are diverse in methodology and scope of application. However, in each case, the physical and chemical principles of the process are very important. Nonferrous materials, and the alloys derived from them, have attractive properties for a diverse range of applications, but in some cases, their wear resistance can be of primary concern, and, in others, it is an important secondary property. The distinctive mechanical properties of coatings or surface layers of this class of materials make their wear resistance of fundamental interest. This Issue focuses on the influence of a variety of factors in antiwear surface engineering, on the mechanisms of wear and wear resistance, on the characteristics of different categories of nonferrous alloy, and on the effects of layers and coatings deposition.

This Special Issue will include original scientific papers, which shed light on recent developments in coating technologies. Of particular interest are recent developments in advanced materials and processes, including thermal spraying, laser surface treatment, PVD, surface modification treatments, multilayer structural composites, and nanosurface engineering (with the development of nanoscience and technology).

Prof. Marcin Adamiak
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. 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

  • Nonferrous metals
  • Metallic alloys
  • Wear resistance
  • Surface layers
  • Coatings
  • Laser surface engineering
  • Thermal spraying
  • Structure–property correlations
  • Weld hard facing
  • Physical vapor deposition (PVD)

Published Papers (4 papers)

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Research

12 pages, 4380 KiB  
Article
Effects of Titanium-Implanted Dose on the Tribological Properties of 316L Stainless Steel
by Wei Wang, Zhiqiang Fu, Lina Zhu, Wen Yue, Jiajie Kang, Dingshun She, Xiaoyong Ren and Chengbiao Wang
Materials 2021, 14(6), 1482; https://doi.org/10.3390/ma14061482 - 18 Mar 2021
Cited by 3 | Viewed by 1917
Abstract
The effects of titanium (Ti) ion-implanted doses on the chemical composition, surface roughness, mechanical properties, as well as tribological properties of 316L austenitic stainless steel are investigated in this paper. The Ti ion implantations were carried out at an energy of 40 kV [...] Read more.
The effects of titanium (Ti) ion-implanted doses on the chemical composition, surface roughness, mechanical properties, as well as tribological properties of 316L austenitic stainless steel are investigated in this paper. The Ti ion implantations were carried out at an energy of 40 kV and at 2 mA for different doses of 3.0 × 1016, 1.0 × 1017, 1.0 × 1018, and 1.7 × 1018 ions/cm2. The results showed that a new phase (Cr2Ti) was detected, and the concentrations of Ti and C increased obviously when the dose exceeded 1.0 × 1017 ions/cm2. The surface roughness can be significantly reduced after Ti ion implantation. The nano-hardness increased from 3.44 to 5.21 GPa at a Ti ion-implanted dose increase up to 1.0 × 1018 ions/cm2. The friction coefficient decreased from 0.78 for un-implanted samples to 0.68 for a sample at the dose of 1.7 × 1018 ions/cm2. The wear rate was slightly improved when the sample implanted Ti ion at a dose of 1.0 × 1018 ions/cm2. Adhesive wear and oxidation wear are the main wear mechanisms, and a slightly abrasive wear is observed during sliding. Oxidation wear was improved significantly as the implantation dose increased. Full article
(This article belongs to the Special Issue Wear Resistance Surface Layers and Coatings on Metals and Alloys)
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18 pages, 8509 KiB  
Article
Investigation of the Erosion Damage Mechanism and Erosion Prediction of Boronized Coatings at Elevated Temperatures
by Liu-Xi Cai, Yun Li, Shun-Sen Wang, Yao He, Fang Li and Ze-Kun Liu
Materials 2021, 14(1), 123; https://doi.org/10.3390/ma14010123 - 30 Dec 2020
Cited by 5 | Viewed by 1710
Abstract
In this study, the high temperature erosion mechanisms and damage characteristics of a boronized coating have been systematically studied by employing an improved high-temperature accelerated erosion test bench and impact contact theory analyses. Within the scope of the experimental parameters, the erosion rate [...] Read more.
In this study, the high temperature erosion mechanisms and damage characteristics of a boronized coating have been systematically studied by employing an improved high-temperature accelerated erosion test bench and impact contact theory analyses. Within the scope of the experimental parameters, the erosion rate of the boronized coating under the same erosion conditions was observed to be only one half to one-twelfth of the erosion rate of the substrate. Furthermore, the boronized coating was noted to be less sensitive to the speed of the erosion particles than the plastic substrate, thus, indicating superior and more stable erosion resistance than the base material. The boronized coating exhibited typical brittle fracture characteristics under impact by the high-speed particles. When the particle impact normal stress exceeded the critical stress for crack propagation owing to the coating defects, the surface and subsurface layers of the coating initially formed horizontal and vertical micro-cracks, followed by their gradual expansion and intersection. After destabilization, the brittle coating material was peeled layer-by-layer from the surface of the test piece. At the same incident speed, as the particle size was increased from 65 μm to 226 μm and 336 μm, the size (width) of the erosion cracks on the coating surface increased from 1 μm to 30 μm and 100 μm respectively. Correspondingly, the erosion damage thickness of the coating was enhanced from 15 μm to 50 μm and 100 μm. In the case of the quartz sand particle size exceeding 300 μm, the dual-phase boronized coating did not provide effective protection to the substrate. Furthermore, based on the elastoplastic fracture theory, a prediction model for the erosion weight loss of the boronized coatings within the effective thickness range has been proposed in this study. Full article
(This article belongs to the Special Issue Wear Resistance Surface Layers and Coatings on Metals and Alloys)
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15 pages, 5105 KiB  
Article
Effect of GelMA Hydrogel Coatings on Corrosion Resistance and Biocompatibility of MAO-Coated Mg Alloys
by Wenxian Weng, Weiwei Wu, Xiaoming Yu, Mingyue Sun, Zhensheng Lin, Muhammad Ibrahim and Huazhe Yang
Materials 2020, 13(17), 3834; https://doi.org/10.3390/ma13173834 - 30 Aug 2020
Cited by 20 | Viewed by 3727
Abstract
Micro-arc oxidation (MAO) treatment is a simple and effective technique to improve the corrosion resistance for magnesium alloys. However, the presence of micro-pores and cracks on the coatings provides paths for corrosive ions to penetrate into and react with the substrate, limiting the [...] Read more.
Micro-arc oxidation (MAO) treatment is a simple and effective technique to improve the corrosion resistance for magnesium alloys. However, the presence of micro-pores and cracks on the coatings provides paths for corrosive ions to penetrate into and react with the substrate, limiting the long-term corrosion resistance. In this paper, we designed a composite coating with which GelMA hydrogel coatings with varying thicknesses were prepared on the surface of MAO-coated magnesium alloys via a dip-coating method, aiming to improve the biocorrosion resistance and biocompatibility. The surface morphology, the chemical composition of GelMA hydrogels, and the crystallographic structure of magnesium alloys were characterized by scanning electron microscope (SEM), Fourier-transform infrared spectroscopy (FTIR), and X-ray diffraction (XRD), respectively. The corrosion resistance and biocompatibility of all samples were evaluated through electrochemical and biological experiments. The results demonstrated that the addition of GelMA hydrogel could effectively seal the pores and improve the corrosion resistance and biocompatibility of MAO-coated magnesium alloys, especially for the sample with one layer of GelMA hydrogel, showing high cell proliferation rate, and its current density (Icorr) was two orders of magnitude lower than that of the MAO coating. Besides, the balance mechanism between corrosion and protection was proposed. As a result, the GelMA hydrogel coatings are beneficial to the application of MAO-coated magnesium alloys in bone tissue engineering and other fields. Full article
(This article belongs to the Special Issue Wear Resistance Surface Layers and Coatings on Metals and Alloys)
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15 pages, 6143 KiB  
Article
Effect of Rare Earth on Microstructure and Wear Resistance of In-Situ-Synthesized Mo2FeB2 Ceramics-Reinforced Fe-Based Cladding
by Jun Jin, Junsheng Sun, Weimin Wang, Jijun Song and Hu Xu
Materials 2020, 13(16), 3633; https://doi.org/10.3390/ma13163633 - 17 Aug 2020
Cited by 4 | Viewed by 2077
Abstract
Mo2FeB2 ceramics-reinforced Fe-based cladding with various rare earth (RE) concentrations were prepared by the carbon arc surfacing process. The effects of RE content on the microstructure, phase composition, hardness and wear resistance of the cladding were systematically discussed. Meanwhile, the [...] Read more.
Mo2FeB2 ceramics-reinforced Fe-based cladding with various rare earth (RE) concentrations were prepared by the carbon arc surfacing process. The effects of RE content on the microstructure, phase composition, hardness and wear resistance of the cladding were systematically discussed. Meanwhile, the area fraction and grain size of Mo2FeB2 phase were exactly measured. Moreover, the refining mechanism of rare earth Y was analyzed. Results revealed that the claddings consisted of Mo2FeB2, FeCr, MoB and CrB. Adding the rare-earth Y decreased the grain sizes of Mo2FeB2 phase. Furthermore, grain-refining effects of Mo2FeB2 phase were significant when the RE content was 2% and hard phases evenly distributed in the cladding. In addition, the maximum microhardness value of claddings was about 1078 HV. The claddings with 2% RE contents had better wear resistance, which was equivalent to a sintered sample. Full article
(This article belongs to the Special Issue Wear Resistance Surface Layers and Coatings on Metals and Alloys)
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