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Meeting Materials Science & Technology 2020
Symposium Coatings to Protect Materials from Extreme Environments
Presentation Title Aerosol Deposition of Hexagonal and Cubic Boron Nitride
Author(s) Eric A. Patterson, Heonjune Ryou, Scooter D Johnson, Edward P. Gorzkowski
On-Site Speaker (Planned) Eric A. Patterson
Abstract Scope Aerosol deposition is a thick-film deposition process that can produce layers up to a hundred micrometers thick with densities approximately 95% of the bulk theoretical value. The AD process takes place entirely at ambient temperature and replicates the exact phase of the powder used during the process, but yielding an entirely new microstructure. The resulting film consists of a dense, nano-grained structure of crystallite created by the fracture of the incoming powder. Boron nitride materials are complex to synthesize in the bulk due to high melting temperatures. This unique process can produce thick films of these materials on low melting temperature substrates despite these high temperature limitations. Thus, cubic and hexagonal boron nitride are investigated for their potential for use as protective coatings through this process.


Aerosol Deposition and Characterization of Sodium Niobate
Aerosol Deposition Method: Influence of Particle Agglomeration on SiC Film Density
Aerosol Deposition of Hexagonal and Cubic Boron Nitride
Anisotropic Wettability of CaO-MgO-Al2O3-SiO2 Deposits on YAlO3: Implications for Grain Boundary Engineering of Environmental Barrier Coatings for Gas Engine Applications
Cathodic Arc Deposition of Silicon Aluminum Nitride Coating on SiC
Cyclic Steam Oxidation of Single Layer Ytterbium Disilicate Environmental Barrier Coatings
Dry Aerosol Deposition of SiOx Coatings for Protection of Polymers in Low Earth Orbit
Electrodeposited NiMo Coatings for Improved Molten Salt Reactor Performance
Integrated Fluid and Materials Modeling of Environmental Barrier Coatings
Novel Multiscale Shear Adhesion Testing of Thermal Barrier Coatings
Obtaining Surface Coatings Providing Protection Against High Temperatures in the Production of Coke
Obtaining Wear-resistant Titanium Coatings in SHS Conditions
Real-time Observation of Impact Damage in Coated Silicon Carbide (SiC)

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