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Meeting 2022 TMS Annual Meeting & Exhibition
Symposium Powder Materials Processing and Fundamental Understanding
Presentation Title Silicon Oxycarbide Coatings on Zirconia Microspheres Using a Fluidized Bed Coating Process
Author(s) Kathy Lu, Sanjay Singh
On-Site Speaker (Planned) Kathy Lu
Abstract Scope In this study, YSZ microspheres were successfully coated with a polymer derived ceramic to a thickness of ~110 µm using a fluidized bed coating process. The influence of the coating parameters, such as coating solution rheology and temperature, on the coating process was investigated and the underlining coating mechanisms were elucidated. Simulations provided gas and particle velocity distribution data that cannot be measured experimentally. During pyrolysis, depolymerization and hydrocarbon loss occurred between 400-600 °C. The SiOC coating shrank significantly during pyrolysis with a final thickness of 40-55 µm. The phase separation of the coating layer led to the formation of SiOC, SiO2, SiC, and graphite. This work provides a promising method of creating more irradiation resistant nuclear fuel coatings.
Proceedings Inclusion? Planned:
Keywords Ceramics, Powder Materials, Surface Modification and Coatings

OTHER PAPERS PLANNED FOR THIS SYMPOSIUM

A Bayesian Approach to the Eagar-Tsai Model for Melt Pool Geometry Predictions
Additive Manufacturing of Ionic Liquids Harvested Metal for Martian Habitation
Analysis of Additive Manufacturing Powders' Behaviors Using Discrete Element Method-based Simulation
Challenges Associated with Micro-additive Manufactured 316L and 17-4PH Stainless Steel Components Produced by Binder Jet and Selective Laser Melting
Direct Powder Combination, Consolidation, and Forming of Metals and Composites via Solid-state Additive Manufacturing
Effect of Powder Reuse on Mechanical Behavior of Additively Manufactured Ti-6Al-4V
Electromigration Behavior of Additively Manufactured Copper Wirings
From Ultrafast Sintering with and without Electric Fields to Electrochemically Controlled Microstructural Evolution
Gravitation Effects on Sintering
Gravity-affected Sintering of 3D-printed Powder Components
Inconel 718 Contamination in Ti6Al4V during Powder Bed Fusion
Influence of Powder Reuse in LPBF on the Attributes of SS316L Particles and Powder Beds
Investigating Particle Size-shape Effects on Flowability and Moisture Content of Metallic Powders after Environmental Exposure for Additive Manufacturing Applications
J-47: Induction Sintering of Copper-chromium Powders at Low-pressure Environment
Laser-based, Machine-learning Guided, Additive Manufacturing of Ceramics with Designed Microstructure and Hardness
Microdroplet-based Manufacturing of Metal-organic Frameworks Powder Materials: Fundamentals and Applications
NOW ON-DEMAND ONLY - Optical Analysis of Powder Oxygen Content in Metal Powder Bed Fusion
Particle-based Nanostructured Ceramics for Tailored Functional and Mechanical Properties
Particle Packing in Powder Spreading for Selective Laser Melted Additive Manufacturing Using the Discrete Element Method
Powder Metallurgy Fabrication of ZrHx Moderator and U-ZrHx Moderated Nuclear Fuel
Rapid Solidification Behavior of Cast Ni-based Superalloy IN-100 by EBM Process
Rapid Solidification of Ultrasonically Atomised Aluminium Melt
Redox Chemistry of Surface-engineered CeO2 Nanocrystals: Catalytic and Electrochemical Applications
Silicon Oxycarbide Coatings on Zirconia Microspheres Using a Fluidized Bed Coating Process
Sintering Anisotropy of Binder Jetting 316L
Sintering Based Production of Complex Shapes by the Coupling of Additive Manufacturing and Spark Plasma Sintering
Stable Temperature Regulation in Spark Plasma Sintering Simulations
Surface Chemistry Changes Resulting from Ti-6Al-4V Feedstock Powder Reuse in Electron Beam Additive Manufacturing
Surface Modification of Micro Powders Using Plasma-based Reactors for Sintering of Copper-Chromium Alloys
Synchrotron X-ray Imaging of Cracking during Laser Powder Bed Fusion (LPBF) of Aged CM247 Powder with Varying Oxygen Content
Synthesis and Consolidation of CoCr+X (X=SiC or WC) Milled Powder for Additive Manufacturing
The Effects of Melt Pool Geometry on Microstructure Development during Additive Manufacturing
Transparent Al2O3 Fabricated by Energy Efficient Spark Plasma Sintering
Understanding Mechanisms Behind Morphological Changes in Gas Atomized Powders after Laser Irradiation
Understanding of Agglomeration and Chemical Reactions of CoAl2O4 Inoculants in IN718 Processed by Selective Laser Melting
Understanding Powder Morphology and Its Effect on Flowability in Additive Manufacturing through Machine Learning Techniques
Understanding Surface Roughness on Vertical Walls in Laser Powder Bad Fusion Additive Manufacturing

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