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Meeting MS&T21: Materials Science & Technology
Symposium Additive Manufacturing of High and Ultra-High Temperature Ceramics and Composites: Processing, Characterization and Testing
Presentation Title High Temperature Properties of Polymer-derived Ceramic Matrix Composites Fabricated via Additive Manufacturing
Author(s) Tobias Schaedler, Kayleigh Porter, Phuong Bui, Ekaterina Stonkevitch, Mark O'Masta
On-Site Speaker (Planned) Tobias Schaedler
Abstract Scope Silicon Carbide (SiC) is a sought after high temperature material, but 3D printing of SiC has been challenging. Conventional ceramic printing based on UV curing of acrylate resin slurries with a high volume fraction of particles is hindered by the high index of refraction and low UV transparency of SiC. Difficulties in sintering SiC complicate any 3D printing method that involves debinding and sintering of powders. Here, we demonstrate a novel approach to 3D printing SiC based on preceramic polymers. Carbosilanes are cured thermally or with UV light and subsequently pyrolyzed to an amorphous SiC phase that is crystallized to nano-grained beta SiC. Carbosilane based resins can be tailored for 3D printing and can be easily reinforced with particles or single-crystalline SiC micro-fibers to form ceramic matrix composites. The flexural strength is measured at temperatures up to 1600C and compared to other 3D printed materials.
Proceedings Inclusion? Planned: Other (journal publication, etc.; describe below)


Additive Manufacturing of Aqueous Based Silicon Nitride Suspensions via Direct Writing
Additive Manufacturing of Corrosion Resistant UHTC Materials for Chloride Salt-to-sCO2 Brayton Cycle Heat Exchangers
Additive Manufacturing of High-performance Advanced Ceramics by the Ceramic On-demand Extrusion (CODE) Process
Additive Manufacturing of Silicon Nitride Using a Slurry Approach
Additive Manufacturing of ZrB2–ZrSi2 Composites Using an Electron Beam Melting (EBM) Process
Additive Manufacturing Of ZrB2-SiC Heat Exchanger Geometries by Ceramic on Demand Extrusion
Additive Slurry Drying as a Novel Method for Realizing Large Ceramic Components Using AM
Advanced Polymer-derived (Ultra)-high-temperature Resistant Ceramics and Ceramic Nanocomposites for Additive Manufacturing
Binder Jet Additive Manufacturing of Novel Design, High Temperature, Ceramic Heat Exchangers
Ceramic On-demand Extrusion (CODE) of Functionally Graded ZrB2-Mo
Deposition of UHTC Coatings on Refractory Substrates by Directed Energy Methods
High Temperature Properties of Polymer-derived Ceramic Matrix Composites Fabricated via Additive Manufacturing
Innovative Route for the 3D Printing of Hybrid Silicon Carbide/Carbon Fiber Nanocomposites
Investigation of Oxidation Behavior of ZrB2-SiC Composites under Different Partial Pressures of Oxygen
Molten Chloride Salt Corrosion Testing of Ultra High Temperature Ceramics for High Temperature Heat Exchangers Fabricated by Additive Manufacturing Methods
Pathways to Additively Manufacture Ultra-high Temperature Ceramic Composites
Process Development and Optimization for The Laser Powder Bed Fusion of WC-Ni Cermet Composites
Strategies for Printing Continuous Fibers and Post-processing for Ceramic Matrix Composites (CMCs)

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