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Coatings
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Wear Behavior of Polymer Composites
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Wear Behavior of Polymer Composites

A special issue of Coatings (ISSN 2079-6412). This special issue belongs to the section "Corrosion, Wear and Erosion".

Deadline for manuscript submissions: closed (30 April 2021) | Viewed by 5564

Special Issue Editors

Dr. Tej Singh

E-Mail Website
Guest Editor
Savaria Institute of Technology, Eötvös Loránd University, Szombathely, Hungary
Interests: composite materials; tribology; nanoparticle synthesis; biomaterial; multicriteria decision making
Dr. Catalin I. Pruncu

E-Mail Website
Guest Editor
Department of Mechanical Engineering, Imperial College London, Exhibition Rd., London SW7 2AZ, UK
Interests: coatings; microstructural characterization; solid mechanics; fracture mechanics; tribology; design mechanics; finite element modelling; metal forming
Special Issues, Collections and Topics in MDPI journals
Dr. Gusztáv Fekete

E-Mail Website
Guest Editor
Savaria Institute of Technology, Eötvös Loránd University, Szombathely, Hungary
Interests: biomechanics; solid mechanics; polymer composites; tribology; computational fluid dynamics
Dr. Amar Patnaik

E-Mail Website
Guest Editor
Department of Mechanical Engineering, M.N.I.T. Jaipur, India-302017
Interests: composite materials; tribology; coatings; modelling and simulation; biomaterials; metal casting

Special Issue Information

Dear Colleagues,

Polymer composite materials are of particular interest in applied research as well as in fundamental science due to their high technological potential in the production of novel materials with tailor-made properties. At present, the use of polymer composites in various applications has become state-of-the-art, especially when wear processes (sliding, abrasion, erosion) become a critical issue. The accumulation of wear can be translated into a high cost of maintenance, tools, and manufacturing, inconsistency in product life prediction, etc. Controlling the reinforcement present in a variety of morphologies such as fibers, particles, whiskers, and platelets with micro or nano sizes makes it possible to considerably improve the wear behavior of the polymer composites. This Special Issue intends to cover the novel trends related to the wear behavior of polymer composites, including:

  • Wear behavior of fiber (natural or synthetic and their hybridization) reinforced polymer composites.
  • Wear behavior of particulate-filled fiber-reinforced polymer composites.
  • Wear behavior of bio-resin-based polymer composites.
  • Wear behavior of polymer composites filled with industrial, municipal, and agricultural waste.
  • Wear behavior of nanoparticles-filled polymer composites.
  • Wear behavior of polymers for dental composites.
  • Wear behavior of polymer composites for industrial applications (aerospace, marine, automotive, civil nuclear, petrochemical).
  • Multiscale wear behavior of polymer composites from nano and micro to macroscale.
  • Numerical and experimental evaluation of the wear behavior of polymer composites.
  • Wear behavior of polymer composites used as coatings.

Authors are welcome to submit their latest research in the form of original full articles, communications, or reviews on these topics.

Dr. Tej Singh
Dr. Catalin I. Pruncu
Dr. Gusztáv Fekete
Dr. Amar Patnaik
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. 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.

Keywords

  • natural fiber
  • agriculture waste
  • industrial waste
  • polymer composites
  • dental composites
  • nano composites
  • biocomposites
  • wear
  • sliding
  • abrasion
  • erosion
  • friction

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Published Papers (2 papers)

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Research

11 pages, 10920 KiB  
Article
Numerical Wear Analysis of a PLA-Made Spur Gear Pair as a Function of Friction Coefficient and Temperature
by Gusztáv Fekete
Coatings 2021, 11(4), 409; https://doi.org/10.3390/coatings11040409 - 1 Apr 2021
Cited by 5 | Viewed by 2518
Abstract
Polylactic acid (PLA)-made machine elements exhibit easy machining, biodegradability, and excellent mechanical properties. However, enhancing their wear resistance is still a crucial engineering point, which may be achieved by altering (lowering) their coefficient of friction (CoF). Therefore, the first aim of this paper [...] Read more.
Polylactic acid (PLA)-made machine elements exhibit easy machining, biodegradability, and excellent mechanical properties. However, enhancing their wear resistance is still a crucial engineering point, which may be achieved by altering (lowering) their coefficient of friction (CoF). Therefore, the first aim of this paper is to analyze how wear is affected by the alteration of CoF. The second aim is connected to the fact that PLA is sensitive to heat, which also limits its applicability. Accordingly, the next goal is to explore the effect of temperature on wear propagation. This study answers these questions by means of multibody dynamics simulations of a PLA-made spur gear pair. Simulations were carried out under constant torque, while the CoF and the temperature were varied in a normal operation domain (CoF: 0.1–0.05, T = 20–30 °C). The results showed that the wear volume gradually began to decline at approximately 0.085 CoF, whilst convergence to steady-state wear could be observed at 0.05 CoF. In conclusion, alteration of the CoF can lower wear by 35%, in this specific domain, while even a 5 °C rise in temperature causes 40% wear progression. The feasibility of the numerical procedure was validated by comparing numerically and experimentally obtained wear–torque results. Full article
(This article belongs to the Special Issue Wear Behavior of Polymer Composites)
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18 pages, 10422 KiB  
Article
Investigation into Microstructure, Wear Resistance in Air and NaCl Solution of AlCrCoNiFeCTax High-Entropy Alloy Coatings Fabricated by Laser Cladding
by Peng Zhao, Jun Li, Ruyan Lei, Baige Yuan, Manman Xia, Xiao Li and Ying Zhang
Coatings 2021, 11(3), 358; https://doi.org/10.3390/coatings11030358 - 21 Mar 2021
Cited by 9 | Viewed by 2351
Abstract
AlCrCoNiFeCTax (x = 0, 0.5 and 1.0) high-entropy alloys coatings were synthesized on 45# steel by laser cladding. The microstructural evolution of the coatings with the change in x was analyzed in detail. The effect of Ta content on the wear behaviors [...] Read more.
AlCrCoNiFeCTax (x = 0, 0.5 and 1.0) high-entropy alloys coatings were synthesized on 45# steel by laser cladding. The microstructural evolution of the coatings with the change in x was analyzed in detail. The effect of Ta content on the wear behaviors of the coatings at different circumstances (in air and 3.5 wt.% NaCl solution) was especially highlighted. The microstructure presented the following change: equiaxed BCC (Body Centered Cubic) grains + fine MC (carbide, M = Al, Cr, Co and Ni) particles (x = 0) → equiaxed BCC grains + coarse TaC blocks + fine TaC particles (x = 0.5) → flower-like BCC grains + coarse TaC blocks + eutecticum (BCC + TaC) (x = 1.0). The average microhardness of the coatings demonstrated an upward tendency with increasing x due to the combination of the stronger solid solution and dispersion strengthening from the significant difference in atomic radius between Ta and Fe and the formation of TaC with an extremely high hardness. The wear rates of the coatings were gradually reduced both in air and in NaCl solution along with the increase in Ta content, which were lower than those of the substrate. The wear rates of the coatings with x = 0.5 and 1.0 in NaCl solution were slightly reduced by about 17% and 12% when compared with those in air. However, the values of the substrate and the coating without Ta in NaCl solution were sharply enhanced by 191% and 123% when compared with those in air. This indicated that the introduction of Ta contributed to the improvement in wear resistance both in air and in NaCl solution. Full article
(This article belongs to the Special Issue Wear Behavior of Polymer Composites)
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