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Meeting Materials Science & Technology 2019
Symposium Surface Protection for Enhanced Materials Performance: Science, Technology, and Application
Presentation Title Manufacture of Environmental Barrier Coatings by Thermal Spray Techniques
Author(s) Robert Vassen, Emine Bakan, Seongwong Kim, Daniel Mack, Olivier Guillon
On-Site Speaker (Planned) Robert Vassen
Abstract Scope Environmental barrier coatings (EBCs) are essential to protect ceramic matrix composites against water vapor recession in typical gas turbine environments. The most often used thermal spray techniques for the deposition of EBCs is atmospheric plasma spraying (APS). This technique with its major problems as limited crystallinity, crack formation or loss of constituents will be addressed. In addition, also results on more advanced thermal spray processes as high velocity oxygen fuel (HVOF), suspension plasma spraying (SPS) or very low pressure plasma spraying (VLPPS) will be described. Especially the last method appears suitable to deposit crystalline, dense coatings for example made of YB2Si2O7. Finally, also results of the performance of the different coating systems with respect to thermal cycling, water vapor recession and partially CMAS attack will be presented.
Proceedings Inclusion? Definite: At-meeting proceedings

OTHER PAPERS PLANNED FOR THIS SYMPOSIUM

Aluminizing Co-base Superalloys
Assessment of Microwave Magnetic Properties of Barium Hexaferrite Films Formed by Aerosol Deposition
Corrosion Inhibition of Stainless Steel (AISI 316) by Environmental Friendly Inhibitor in Chloride Medium: Electrochemical and Physical Study
Effects of Aerosol Deposited Coatings on Substrate Materials
Electrodeposited Nanostructured Aluminum Coatings for Cadmium Replacement
Exploiting Suspension Plasma Spraying for Oxide and Carbide Based Wear Resistant Coatings
Extreme Heat Shielding, Flame Resistance and Anti-Corrosion Behavior of Clay-Based Nanocoatings
Failure of Zirconia Thermal Barrier Coatings on Planar and Cylindrical Geometries
High-temperature, High-velocity Water Vapor Studies of Environmental Barrier Coating Candidates
Improved Performance of Suspension Plasma Sprayed Thermal Barrier Coatings (TBCs)
Investigation of Environmental Barrier Coating Degradation by Molten Calcium-Magnesium-Aluminosilicate (CMAS) at Low Concentrations
Luminescence Characterization of Temperature Sensitive Phosphor Doped Thermal Barrier Coatings
Mach 0.3 Burner Test of YSZ-Ti2AlC at 1300C
Manufacture of Environmental Barrier Coatings by Thermal Spray Techniques
Modeling and Validation of Land-Based Gas Turbine TBC Lifetime
Nanostructured Cu-Al2O3 Thick Films Produced through Aerosol Deposition of Composite Powder
Obtaining Surface Coatings Providing Protection Against Extreme Conditions of Coke Production
P2-76: Optimization of Microstructure and Mechanical Properties of MoSiN Coatings by Reactive Magnetron Sputtering Process Control
Predicting Coating Lifetime of Diffusion and Overlay Coatings: From Manufacturing to Service
Protective Ceramic Coatings by Dry Aerosol Deposition of Extraterrestrial Regolith
Role of Process Induced Chemical Composition Changes and Rapid Solidification on the Characterestics of Plasma Sprayed Yb2Si2O7 Environmental Barrier Coatings
Some Implications to CMAS Infiltration and Arrest Kinetics of Gradual Application
Sublimation Protection Coatings for Thermoelectric Materials for Space Power Applications
Surface Modification of Yttria Stabilized Zirconia Thermal Barrier Coatings Produced by Freeze Casting
Understanding and Mitigating the CMAS Problem in Gas Turbine Coatings

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