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Meeting MS&T24: Materials Science & Technology
Symposium Additive Manufacturing of Ceramic-based Materials: Process Development, Materials, Process Optimization and Applications
Presentation Title Direct Ink Writing of SiOC Structure from Preceramic Polymer containing Inactive Fillers
Author(s) Victoria I. Bishop, Wei Wei
On-Site Speaker (Planned) Victoria I. Bishop
Abstract Scope Polymer-Derived Ceramics (PDCs) are novel modern polymers that use reduced processing temperatures to yield ceramics with potentially high complexity and high stability in extreme environments. In this work we manufactured SiOC ceramic monolithic structures by Direct Ink Writing (DIW) of a preceramic polymer containing inert fillers. The preceramic ink with appropriate rheological properties was obtained by mixing the liquid preceramic polymer, 1,3,5,7-tetravinyl-1,3,5,7-tetramethylcyclotetrasiloxane (TTCS), with ceramic nanoparticles and fibers to generate an extrudable resin. The addition of hexagonal boron nitride (h-BN) improved the printability of the ink, as well as reduced the shrinkage of the resulting ceramic following curing and pyrolysis. The rheology of the ink was evaluated to develop the printing parameters for fidelity to the design. The composition, degree of transformation, and microstructure of the ceramic were evaluated using X-ray diffraction and scanning electron microscopy, and the structural and functional applications of additively manufactured PDCs are also discussed.

OTHER PAPERS PLANNED FOR THIS SYMPOSIUM

Dense Complex Shape Ceramic Components Fabricated By Digital Light Printing (DLP) and Liquid Silicon Infiltration (LSI)
Densification and Microstructure Evolution of Alumina Structures via Direct Ink Writing
Density Improvement of Binder Jet Printed MnZn Ferrite Cores via Pre-and Post- Sintering Improvement Strategies
Direct Ink Writing of SiOC Structure from Preceramic Polymer containing Inactive Fillers
Dispersion of PMN-PZT for Direct Ink Writing
Fused Filament Fabrication of Ceramic Matrix Composite Preforms Via Thermo-Oxidative Stabilization of Polyetheretherketone
Influence of Printing Parameters on the Stability and Quality of 3D Printed Geopolymers from Copper Mine Tailings
Interface Stability of Iron-Carbide Materials Fabricated via Laser-Direct Energy Deposition
Irradiative Ceramization of Chemically Bound Phosphate Ceramics (CBPCs) to Enable Direct Additive Manufacturing of Ceramic Composites
Laser-Directed Energy Deposition Additive Manufacturing of Lunar Highlands Simulant (LHS-1) Lunar Regolith Simulant for In Situ Resource Utilization
Multi Ceramic Additive Manufacturing Based on Novel Digital Light Processing Technology
Optimizing SiC Slurries for Robocasting High-Performance SiC.
Rapid Volumetric Microwave Curing of Silicon Nitride Ceramic Binder Mixtures
Stabilization of Alumina Dispersed Slurry by Controlling pH
Towards Direct Additive Manufacturing of Bulk Ceramics Using Selective Laser Flash Sintering
Use of 2D Ti3C2 MXene as an Additive in SiC and Their High-Temperature Phase Behavior
Using Laser Ultrasonics to Correlate Young’s Modulus to Particle Neck Size in Early-Stage Sintering

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