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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 Strategies for Printing Continuous Fibers and Post-processing for Ceramic Matrix Composites (CMCs)
Author(s) Corson L. Cramer, Vipin Kumar, Ryan Duncan, David J. Mitchell, Vlastimil Kunc
On-Site Speaker (Planned) Corson L. Cramer
Abstract Scope Recent advances in AM of continuous fibers, combined with traditional infiltration processes, have enabled the fabrication of ceramic matrix composite (CMC) components with complex shapes. In this work, we report results of the manufacturing processes, characterization and evaluation of silicon carbide composites fabricated by compression molding, additive manufacturing, and automatic fiber placement of carbon and silicon carbide fibers. Continuous fibers are formed with printing matrices such as thermoplastics and thermosets such as phenolic resins and preceramic polymers. Pyrolysis of the printing matrix materials is done to form carbon coatings around printed fibers, and the fiber preforms are densified with strategies such as polymer impregnation and pyrolysis (PIP), reactive silicon melt infiltration (RMI), and chemical vapor infiltration (CVI). The ability to make continuous fiber preforms and densify to make advanced CMCs is demonstrated, and the role of continuous fibers and microstructure on mechanical properties is discussed.
Proceedings Inclusion? Planned: Other (journal publication, etc.; describe below)

OTHER PAPERS PLANNED FOR THIS SYMPOSIUM

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
AM of UHTCs at LLNL
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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