Advances in Surface and Coatings Technologies

A special issue of Coatings (ISSN 2079-6412). This special issue belongs to the section "High-Energy Beam Surface Engineering and Coatings".

Deadline for manuscript submissions: 30 November 2026 | Viewed by 2611

Special Issue Editors


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Guest Editor
Department of Materials and Ceramic Engineering, CICECO, Aveiro Institute of Materials, University of Aveiro, 3810-193 Aveiro, Portugal
Interests: engineered multifunctional materials including dielectric and piezoelectric polymers/ceramics/thin films/diamonds
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Guest Editor
Department of Materials and Ceramic Engineering, CICECO, Aveiro Institute of Materials, University of Aveiro, 3810-193 Aveiro, Portugal
Interests: carbon-based thin films and coatings for environmental remediation

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Guest Editor
Department of Materials and Ceramic Engineering, CICECO, University of Aveiro, 3810-193 Aveiro, Portugal
Interests: chemical vapor deposition (CVD); diamond coatings and films; materials and sensors for harsh environments; atomic layer deposition (ALD); physical vapor deposition (CVD); nanodiamonds for biomedical applications; carbon nanotubes (CNTs)

Special Issue Information

Dear Colleagues,

Coating plays a crucial role in enhancing the performance, durability, and functionality of materials across various industries, including automotive, aerospace, energy, biomedical and manufacturing sectors. Advances in coating technologies have led to the development of high-performance materials with exceptional mechanical, electrical, thermal and bio-chemical properties.

This Special Issue highlights the latest research and innovations in coatings for advanced applications. It explores state-of-the-art developments in high-performance coatings, focusing on their development, properties, and applications. Additionally, novel insights into electrodeposition techniques for functional coatings will be covered, including research trends in electrochemical synthesis and hybrid coatings.

Topics of interest include, but are not limited to, the following:

  • Advances in deposition techniques such as CVD, PVD, ALD, laser cladding and electrodeposition for wear resistance, sensing, catalysis and thermal stability.
  • Carbon-based materials (diamond, graphene, CNT-based, and diamond-like carbon) for superior wear resistance, conductivity, and biocompatibility.
  • Ceramic coatings for high-performance applications in automotive, construction, electronics, aerospace and defense.
  • Biomedical coatings, including bioactive, antimicrobial, and biocompatible coatings for medical implants, prosthetics and drug delivery systems.
  • Multifunctional and hybrid coating systems.

We invite researchers, engineers, and industry experts to submit original research articles, reviews, and perspectives on innovative coating technologies that are shaping the future of materials science and engineering.

Dr. Indrani Coondoo
Dr. Ana Violeta Girão
Dr. Miguel Ângelo Neto
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 250 words) can be sent to the Editorial Office for assessment.

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

  • surface engineering
  • biosensors
  • functional coatings
  • remediation
  • extreme environments
  • coating technologies
  • reliability coatings

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Published Papers (3 papers)

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Research

12 pages, 1615 KB  
Article
Plasma Regeneration of Microparticle-Structured Surface Acoustic Wave Resonators for Use as Biosensors
by Noreen Schöck, Maximilian Mann, Annika Pirker, Achim Voigt and Kerstin Länge
Coatings 2026, 16(3), 283; https://doi.org/10.3390/coatings16030283 - 27 Feb 2026
Viewed by 418
Abstract
Plasma regeneration was investigated as a means of regenerating microstructures on biosensors for repeated use. These microstructures were based on the deposition of suspensions containing polymer microspheres. While this method provides a simple way to structure surfaces, obtaining regular structures in a reproducible [...] Read more.
Plasma regeneration was investigated as a means of regenerating microstructures on biosensors for repeated use. These microstructures were based on the deposition of suspensions containing polymer microspheres. While this method provides a simple way to structure surfaces, obtaining regular structures in a reproducible way remains a challenge. Therefore, it would be advantageous to be able to reuse regular structures, which requires regeneration. To investigate this concept, surface acoustic wave (SAW) resonators were structured using 5 µm and 20 µm polystyrene microspheres and coated with parylene C to stabilize the particle structures. After use in bioanalytical experiments, the biological residues and the parylene C cover layer were removed with plasma, and a new parylene C layer was added. Both atmospheric and low-pressure plasma were tested for regeneration. As a result, the low-pressure plasma was to be preferred because it did not damage the transducer structures on the SAW resonators, unlike the atmospheric plasma. Water contact angle measurements and transmission spectra recorded with a network analyzer confirmed that freshly prepared and regenerated structured SAW resonators coated with parylene C exhibited similar wetting properties and resonance parameters. Therefore, plasma regeneration is an effective way to enable the reuse of perfectly structured SAW resonators. Full article
(This article belongs to the Special Issue Advances in Surface and Coatings Technologies)
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22 pages, 1674 KB  
Article
Packaging-Grade Paper Humidity Sensors Made by Flexography Only: From Sustainable Manufacturing to Transient Applications
by Tatiana Nowicka, Sandra Lepak-Kuc, Jerzy Szałapak, Daniel Janczak, Jarosław Szusta and Małgorzata Jakubowska
Coatings 2026, 16(2), 241; https://doi.org/10.3390/coatings16020241 - 13 Feb 2026
Viewed by 1394
Abstract
Printed electronics offer a scalable and sustainable route for integrating sensing systems into everyday environments; however, the use of flexography remains highly limited, and fully printed sensors fabricated exclusively with industrial flexographic technology have not been previously reported. This study evaluates the feasibility [...] Read more.
Printed electronics offer a scalable and sustainable route for integrating sensing systems into everyday environments; however, the use of flexography remains highly limited, and fully printed sensors fabricated exclusively with industrial flexographic technology have not been previously reported. This study evaluates the feasibility and practical limits of fabricating resistive humidity sensors for relative humidity (RH) measurements using flexography only, relying on commercial infrastructure, packaging-grade substrates, and low-temperature processing. Silver interdigitated electrodes and a carbon-based sensing layer were printed using solvent-based electronic inks, industrial aniloxes (12 and 20 cm3/m2), and standard flexographic conditions (10 m/min, ≤120 °C drying), without any post-processing. The sensing layer was optionally modified with adsorptive additives (≤5 wt% MgO; additionally, Al2O3 and Al) to enhance moisture interaction while maintaining rheological compatibility. Sensors were fabricated on recyclable paper substrates and PET for comparison. Under controlled conditions (10%–90% RH at 23 °C), devices exhibited a maximum relative resistance change of ~75% at 90% RH (referenced to 40% RH), low hysteresis (≤~5%), rapid visible response (<1 min), and stabilization within ~30 min. MgO increased relative response by 20%–233%, depending on humidity. Paper-based sensors showed higher responses but single-use behavior under flooding, while PET enabled repeatable cycling. Rather than targeting state-of-the-art performance, this work defines the functionality reliably achievable using flexography only, clarifying trade-offs among substrate choice, layer thickness, and additives for sustainable, humidity and disposable flood monitoring. Full article
(This article belongs to the Special Issue Advances in Surface and Coatings Technologies)
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15 pages, 5220 KB  
Article
Feasibility of CaZr4(PO4)6 as Radome TBC Based on Thermophysical and Thermal Cycle Performance Research
by Yunwei Tu, Wenbo Chen, Wei Zhou, Li Liu, Longhui Deng, Jianing Jiang, Shujuan Dong and Xueqiang Cao
Coatings 2026, 16(1), 144; https://doi.org/10.3390/coatings16010144 - 22 Jan 2026
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Abstract
This paper investigates the feasibility of CaZr4(PO4)6 as a novel thermal barrier coating for SiO2f/SiO2, serving as a radome at 1200 °C. Initially, CaZr4(PO4)6 powder undergoes TG-DSC testing across [...] Read more.
This paper investigates the feasibility of CaZr4(PO4)6 as a novel thermal barrier coating for SiO2f/SiO2, serving as a radome at 1200 °C. Initially, CaZr4(PO4)6 powder undergoes TG-DSC testing across a temperature range from room temperature to 1200 °C, demonstrating excellent phase stability within this range. Subsequently, the coating’s properties and the thermal cycling performance are examined. The results indicate that the thermal conductivity of CaZr4(PO4)6 falls within the range of 1.05 to 1.02 W·m−1·K−1 (RT ~ 1200 °C), with thermal expansion coefficients of the coating ranging from 2.07 to 5.55 × 10−6 K−1. Moreover, the thermal cycling lifetime of the CaZr4(PO4)6 coating is evaluated by performing 100 cycles (50 h) at 1200 °C. Mechanical properties are assessed through Vickers and Knoop hardness tests, revealing a fracture toughness of 1.4 Mpa·m1/2. The primary cause of coating failure and peeling is the excessive internal stress between the coating and the expansion of transverse cracks. Fracture toughness serves as a key performance indicator reflecting the material’s resistance to unstable crack expansion, so the failure of the coating is attributed to the limited fracture toughness and the thermal mismatch stress between the coating and the substrate. Based on the aforementioned research findings, CaZr4(PO4)6 might be the potential coating for SiO2f/SiO2 systems. Full article
(This article belongs to the Special Issue Advances in Surface and Coatings Technologies)
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