Research Progress and Future Prospects of Thermal Protection Coatings

A special issue of Coatings (ISSN 2079-6412). This special issue belongs to the section "Thin Films".

Deadline for manuscript submissions: 20 July 2025 | Viewed by 359

Special Issue Editor


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Guest Editor
Faculty of Materials Science and Engineering, Kunming University of Science and Technology, Kunming, China
Interests: aircraft engines; aluminum compounds; aluminum corrosion; corrosion resistance; corrosion resistant coatings; high temperature corrosion; magnesia; rare earths; thermal barrier coatings; thermal conductivity; thermal expansion; yttria stabilized zirconia; yttrium oxide

Special Issue Information

Dear Colleagues,

Thermal protection coatings play a pivotal role in various industries, particularly in the aerospace, automotive, and energy sectors, where the management of high temperatures is critical for enhancing performance and durability. This Special Issue aims to consolidate and highlight the latest advancements in the field of thermal protection coatings, exploring both fundamental research and practical applications. Recent developments in materials science have led to the emergence of innovative coating technologies that offer superior thermal resistance, reduced thermal conductivity, and enhanced mechanical properties. Researchers are increasingly focusing on advanced materials such as ceramics, metallic alloys, and composites, which provide improved performance under extreme conditions. The integration of nanotechnology has also opened new avenues for enhancing the efficiency and effectiveness of thermal barrier coatings, leading to significant improvements in thermal insulation and longevity.

This Special Issue will feature a collection of peer-reviewed articles that cover a broad spectrum of topics, including novel coating formulations, processing techniques, characterization methods, and performance evaluations. By bringing together leading researchers and industry experts, this Special Issue aims to foster collaboration and knowledge exchange, paving the way for future innovations in thermal protection coatings.

Dr. Lin Chen
Guest Editor

Manuscript Submission Information

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Keywords

  • thermal protection coatings
  • ceramic coatings
  • high-temperature corrosion/oxidation
  • anti-corrosion coating
  • environmental barrier coatings
  • thermal/mechanical properties

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Published Papers (1 paper)

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13 pages, 3055 KiB  
Article
Phosphotungstic Acid Intercalated MgAlLa Ternary Layered Double Hydroxides as High-Efficiency Additives for Epoxy Resin: Synergistic Enhancement of Flame Retardancy and Smoke Suppression
by Wensheng Zhao, Jiao Jin, Zhengkai Guang, Haosen Chen, Yangu Liu, Xiaoling Cheng, Yuan Liu, Xing Wei, Jiebing He and Wenlin Zhao
Coatings 2025, 15(5), 523; https://doi.org/10.3390/coatings15050523 - 27 Apr 2025
Viewed by 149
Abstract
The inherent flammability and toxic smoke emission of epoxy resins (EPs) pose significant challenges to their advanced engineering applications. To address this limitation, we developed a novel flame-retardant additive through the organic modification of layered double hydroxides (LDHs) using a ternary MgAlLa hydrotalcite [...] Read more.
The inherent flammability and toxic smoke emission of epoxy resins (EPs) pose significant challenges to their advanced engineering applications. To address this limitation, we developed a novel flame-retardant additive through the organic modification of layered double hydroxides (LDHs) using a ternary MgAlLa hydrotalcite structure intercalated with phosphotungstic acid (PWA). This innovative design established a synergistic mechanism by combining the catalytic carbonization effect of lanthanum with the radical scavenging capability of PWA. The optimized MgAlLa-PWA/EP composite demonstrated remarkable flame retardancy and smoke suppression improvements, exhibiting 77.9% and 62.4% reductions in the peak heat release rate (pHRR) and total heat release (THR), respectively, compared to pure EP. Particularly noteworthy was the 72.6% decrease in total smoke release (TSR), accompanied by a significant elevation of the limiting oxygen index (LOI) value to 26.8% and achievement of UL-94 V-0 rating. Microstructural analysis revealed that the modified composite formed a continuous and uniform layer with increased density during combustion, effectively inhibiting oxygen exchange, smoke diffusion, and heat transfer. This study provides a novel strategy for designing multi-element synergistic LDHs additive for high-efficiency flame retardancy and smoke suppression of EP. Full article
(This article belongs to the Special Issue Research Progress and Future Prospects of Thermal Protection Coatings)
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