Polymer-Based Coatings for Metallic Materials

A special issue of Polymers (ISSN 2073-4360). This special issue belongs to the section "Polymer Applications".

Deadline for manuscript submissions: 25 February 2025 | Viewed by 1496

Special Issue Editor


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Guest Editor
School of Computing, Engineering and Digital Technologies, Teesside University, Middlesbrough, UK
Interests: synthesis; structure–property and applications of polymer and ceramic materials; advanced and functional materials; polymer, ceramic and hybrid coatings; high-temperature electric insulation; corrosion resistance in arduous environments

Special Issue Information

Dear Colleagues,

Polymer coatings on metallic materials have long functioned as electric insulation, corrosion protection, decoration, etc., owing to their incomparable film-forming capability and a variety of structures/properties that meet every demand needed. They are increasingly becoming indispensable materials given that sustainability and environmental impacts centralize our economic and societal developments. Net-zero carbon emissions and the circular economy are shaping future core and infrastructure industries, such as the electrification of transportation sectors and green manufacture, towards more innovative and renewable energy and higher utilization efficiency, where polymer coatings are playing a critical role during the transition course. With the understanding of polymer coatings having occupied the unchallengeable position for over a century in electric insulation and corrosion protections and the growing demand for high-performance materials in these areas, this Special Issue of Polymers advocates scientific and engineering advancements and promotes research that helps to develop novel electric machines (motors, generators, power electronics) and durable metal products by addressing existing challenges and providing advanced functions through polymer-based coating materials. We welcome creative contributions to the science, technology, and engineering aspects of polymer coatings on metallic materials, delving into novel material formulation, advanced characterization/testing/measurements, computational modeling/optimization, innovative applications, and so forth.   

Dr. Yongxin Pang
Guest Editor

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Keywords

  • polymer and nanocomposite coatings
  • structure–property
  • electric insulation
  • corrosion protection
  • modeling and optimization
  • electric machine
  • testing and measurements

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Published Papers (2 papers)

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Research

28 pages, 11874 KiB  
Article
Assessment of the Effectiveness of Protective Coatings in Preventing Steel Corrosion in the Marine Environment
by Nicoleta Bogatu, Daniela Laura Buruiana, Alina Crina Muresan, Viorica Ghisman, Anca Lupu, Laurentiu Mardare, Elena Emanuela Herbei, Vasile Basliu, Alina Ceoromila and Stefan Florescu
Polymers 2025, 17(3), 378; https://doi.org/10.3390/polym17030378 - 30 Jan 2025
Viewed by 605
Abstract
This research aims to evaluate the effectiveness of protective coatings in preventing the corrosion of steel in the marine environment. Electrochemical tests were performed on S355JR steel immersed in natural seawater (Black Sea, Port Constanta) over a period of 22 weeks, using electrochemical [...] Read more.
This research aims to evaluate the effectiveness of protective coatings in preventing the corrosion of steel in the marine environment. Electrochemical tests were performed on S355JR steel immersed in natural seawater (Black Sea, Port Constanta) over a period of 22 weeks, using electrochemical techniques such as the evolution of the open circuit potential (OCP) and linear polarization resistance to calculate Rp and the corrosion rate (Vcorr). The investigated steel surfaces included (a) S355JR steel blasted with Al2O3, (b) S355JR steel blasted and coated with epoxy primer enriched with zinc, (c) S355JR steel blasted and coated with epoxy primer and polyurethane paint, and (d) S355JR steel blasted and subsequently coated with epoxy primer and then polyurethane paint to which kreutzonit particles had been added. The proportion of kreutzonit particles added to the polyurethane paint was 2 wt% of the total mass of the paint. Subsequently, the samples were subjected to morphological analyses and cross-sectional analysis by scanning electron microscopy (SEM), topographical characterization (roughness and microhardness), and structural assessments (FTIR and XRD), as well as an analysis of hydrophobicity (contact angle). The results of this study revealed significant differences in corrosion behavior between the different surfaces and coatings tested. Electrochemical analysis revealed that the coating with epoxy primer and polyurethane paint to which kreutzonit particles had been added provided the best corrosion protection in the marine environment during immersion. Full article
(This article belongs to the Special Issue Polymer-Based Coatings for Metallic Materials)
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17 pages, 10621 KiB  
Article
Improving the Structural Efficiency of Punched-Metal-Material-Based Composites
by Mihails Lisicins, Dmitrijs Serdjuks, Pavel Akishin, Viktors Mironovs, Vadims Goremikins and Vjaceslavs Lapkovskis
Polymers 2024, 16(24), 3468; https://doi.org/10.3390/polym16243468 - 12 Dec 2024
Viewed by 562
Abstract
This study investigates the potential of reusing punched-steel waste, a significant component of solid inorganic waste, in composite materials for construction applications. Driven by the growing global demand for raw materials (which is projected to quadruple by 2050) and the need for sustainable [...] Read more.
This study investigates the potential of reusing punched-steel waste, a significant component of solid inorganic waste, in composite materials for construction applications. Driven by the growing global demand for raw materials (which is projected to quadruple by 2050) and the need for sustainable waste management practices, this research explores the creation of a composite material (PPLK) incorporating punched-steel tape (LPM-4 grade) embedded in a polypropylene matrix. Experimental testing of PPLK specimens (310 × 90 × 6.30 mm) and finite element analysis (FEA) were employed to evaluate the mechanical properties and stress concentration coefficient. The results show that the PPLK composite exhibits a load-carrying capacity of 21.64 kN, exceeding the sum of its individual components by 11.37%, demonstrating a synergistic effect between the steel (average tensile strength 220.65 MPa) and polypropylene. FEA further revealed that increasing the matrix’s modulus of elasticity to 42 MPa significantly reduces the stress concentration coefficient in the steel component, resulting in a 24% enhancement of the elastic force. The findings suggest a viable path toward sustainable waste management and improved material utilisation in the construction industry. Full article
(This article belongs to the Special Issue Polymer-Based Coatings for Metallic Materials)
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