Towards Highly Dense Yb-Silicate Microstructures Deposited by Air Plasma Spray for Environmental Barrier Coating Applications II: Plasma Gas Composition, Feedstock, and Anode Orifice Comparisons
Sign Up to like & getrecommendations! Published in 2025 at "Journal of Thermal Spray Technology"
DOI: 10.1007/s11666-025-01937-1
Abstract: In all air plasma sprayed (APS) environmental barrier coating (EBC) applications, the predominant goal is to achieve maximum coating density, gas tightness, and/or hermeticity prior to subjecting it to harsh environments (i.e., high-temperature impingement of… read more here.
Keywords: spray; plasma gas; environmental barrier; air plasma ... See more keywords
A duplex bond coat approach to environmental barrier coating systems
Sign Up to like & getrecommendations! Published in 2021 at "Acta Materialia"
DOI: 10.1016/j.actamat.2021.117167
Abstract: Abstract SiC composites, when used in water vapor rich combustion environments, are vulnerable to volatilization of their protective SiO2 surface oxide by reaction with water vapor, and are typically protected by a silicon bond coat… read more here.
Keywords: ybds; silicon; environmental barrier; bond coat ... See more keywords
Polymer derived SiC environmental barrier coatings with superwetting properties
Sign Up to like & getrecommendations! Published in 2017 at "Ceramics International"
DOI: 10.1016/j.ceramint.2017.05.326
Abstract: Abstract Surfaces with superwetting capabilities can be used for corrosion protection, self-cleaning and bio-fouling protection amongst other applications. In this work, we present a method to produce a SiC coating with an almost superhydrophobic behavior… read more here.
Keywords: water contact; environmental barrier; sic environmental; polymer derived ... See more keywords
Interaction between Y-Al-Si-O glass-ceramics for environmental barrier coating materials and Ca-Mg-Al-Si-O melts
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DOI: 10.1016/j.ceramint.2020.05.037
Abstract: Abstract Y2O3-Al2O3-SiO2 (Y-Al-Si-O, YAS) glass is a highly promising material offering resistance against calcium magnesium aluminosilicate (Ca-Mg-Al-Si-O, CMAS) corrosion, and it is an excellent candidate for environmental barrier coating (EBC). In this study, influence of… read more here.
Keywords: glass; environmental barrier; corrosion; resistance ... See more keywords
A method for testing the interface toughness of ceramic environmental barrier coatings (EBCs) on ceramic matrix composites (CMCs)
Sign Up to like & getrecommendations! Published in 2018 at "Journal of The European Ceramic Society"
DOI: 10.1016/j.jeurceramsoc.2017.09.032
Abstract: Abstract A simple interface fracture test for ceramic environmental barrier coatings (EBCs) on ceramic matrix composites (CMCs) was developed. A variation on the asymmetric double cantilever beam (ADCB) test was proposed so that the interface… read more here.
Keywords: ceramic environmental; environmental barrier; interface toughness; interface ... See more keywords
Thermochemical interactions between CMAS and Ca2Y8(SiO4)6O2 apatite environmental barrier coating material
Sign Up to like & getrecommendations! Published in 2019 at "Journal of The European Ceramic Society"
DOI: 10.1016/j.jeurceramsoc.2019.08.040
Abstract: Abstract Thermochemical interactions between Ca2Y8(SiO4)6O2 apatite, a potential environmental barrier coating (EBC) material, and a synthetic CMAS having the composition 23.3 CaO - 6.4 MgO - 3.1 Al2O3 - 62.5 SiO2 - 4.1 Na2O -… read more here.
Keywords: microscopy; 6o2 apatite; sio4 6o2; environmental barrier ... See more keywords
Evolution of microstructure and thermal conductivity of multifunctional environmental barrier coating systems
Sign Up to like & getrecommendations! Published in 2020 at "Materials Today Physics"
DOI: 10.1016/j.mtphys.2020.100304
Abstract: Abstract Environmental barrier coating (EBC) systems are applied to the surface of silicon-based composites exposed to high temperature combustion gas flow paths in gas turbine engines. They reduce the rate of composite oxidation, its volatilization… read more here.
Keywords: temperature; environmental barrier; thermal conductivity; conductivity ... See more keywords
Review of processing and design methodologies of environmental barrier coatings for next generation gas turbine applications
Sign Up to like & getrecommendations! Published in 2023 at "Advances in Applied Ceramics"
DOI: 10.1080/17436753.2023.2193783
Abstract: ABSTRACT SiC-reinforced SiC ceramic matrix composites (SiC/SiC CMCs) are considered promising candidates to replace their super alloy counterparts due to higher temperature capabilities and lower densities. However, high-temperature and high-pressure water vapour sourced from the… read more here.
Keywords: barrier coatings; generation gas; next generation; environmental barrier ... See more keywords
The interplay of surface stability and oxygen vacancy dynamics in RE2Si2O7‐based environmental barrier coatings
Sign Up to like & getrecommendations! Published in 2024 at "Journal of the American Ceramic Society"
DOI: 10.1111/jace.19706
Abstract: Surface structure and relevant oxygen vacancy play an important role in the application of RE2Si2O7 for environmental barrier coatings, in which the oxygen vacancies in RE2Si2O7 may influence their thermal and optical properties. In this… read more here.
Keywords: oxygen vacancy; environmental barrier; oxygen; surface ... See more keywords
CMAS corrosion resistance of rare earth phosphates at high temperatures for environmental barrier coatings
Sign Up to like & getrecommendations! Published in 2024 at "Journal of the American Ceramic Society"
DOI: 10.1111/jace.20251
Abstract: Phase stability, thermal properties, and calcium–magnesium–alumina–silicate (CMAS) resistance of LuPO4 at 1300°C, 1400°C, and 1500°C were studied to evaluate its potential as an environmental barrier coating (EBC) for SiC‐based ceramic‐matrix composites (CMCs). Its coefficient of… read more here.
Keywords: resistance; rare earth; environmental barrier; cmas corrosion ... See more keywords
Mixed phase ytterbium silicate environmental-barrier coating materials for improved calcium–magnesium–alumino-silicate resistance
Sign Up to like & getrecommendations! Published in 2020 at "Journal of Materials Research"
DOI: 10.1557/jmr.2020.151
Abstract: read more here.
Keywords: environmental barrier; ytterbium silicate; silicate; mixed phase ... See more keywords