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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 Additive Manufacturing of Silicon Nitride Using a Slurry Approach
Author(s) Beth L. Armstrong, Corson L Cramer, Benjamin Lamm, Trevor Aguirre, David J Mitchell
On-Site Speaker (Planned) Beth L. Armstrong
Abstract Scope Additive Manufacturing of Silicon Nitride Using a Slurry Approach Beth L. Armstrong1*, Corson L. Cramer2, Benjamin Lamm1, Trevor Aguirre2, and David J. Mitchell1 1. Materials Science and Technology Division, Oak Ridge National Laboratory, Oak Ridge, TN 2. Manufacturing Science Division, Oak Ridge National Laboratory, Oak Ridge, TN Additive Manufacturing (AM) of silicon nitride using nonaqueous or aqueous slurry approaches continues to draw interest for the fabrication of complex shaped ceramic components for high temperature applications. The variables that impact the processability of slurry-based AM are similar to those of traditional ceramic processing techniques. Powder characteristics, such as particle size, surface area, and morphology, and their effect on the powder-solvent interface will be explored as it relates to zeta potential, rheological behavior, and ultimately, “printability” and sintered density. Examples utilizing lithography and extrusion-type slurry printing will be presented. This manuscript has been authored by UT-Battelle, LLC under Contract No. DE-AC05-00OR22725 with the U.S. Department of Energy.
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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