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Meeting Materials Science & Technology 2020
Symposium Coatings to Protect Materials from Extreme Environments
Presentation Title Dry Aerosol Deposition of SiOx Coatings for Protection of Polymers in Low Earth Orbit
Author(s) Robert Calvo, Paul Fuierer
On-Site Speaker (Planned) Robert Calvo
Abstract Scope The explosion of satellite activity in low earth orbit (LEO) has renewed interest in protective ceramic coatings for vulnerable space materials and structures. LEO constitutes an extreme environment due to conditions such as high velocity micrometeoroids/debris, vacuum-ultraviolet radiation, and atomic oxygen (AO). The effect of AO is especially detrimental to lightweight, ubiquitous polymers, used for example as satellite solar array substrates, solar reflector blankets, and multi-layer insulation. Dry aerosol deposition (DAD) is an ideal process to produce ceramic oxide coatings to protect these polymeric systems from AO erosion. In particular, SiOx (x≤2) may act as a cost effective and robust protective coating compared with current sputter deposited thin films. Experimental results for DAD SiOx on Kapton® will be presented. The effects of process parameters on stoichiometry, thickness, adhesion, roughness, hardness and residual stress will be shown. The essential criteria for selection of coatings for AO erosion mitigation will be discussed.


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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