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Meeting Materials Science & Technology 2020
Symposium Additive Manufacturing of Ceramic-based Materials: Process Development, Materials, Process Optimization and Applications
Presentation Title Direct Ink Writing of Chopped Fiber Ultra-High Temperature Ceramic Matrix Composites (UHTCMCs)
Author(s) Lisa Rueschhoff, Zlatomir Apostolov, James William Kemp, Brett Compton, Abel Diaz, Surya Kalidindi, Brendan Croom
On-Site Speaker (Planned) Lisa Rueschhoff
Abstract Scope Current ultra-high temperature ceramics (UHTCs) are limited in many aerospace applications by low fracture strength and toughness. The use of a reinforcing fiber phase within a UHTC matrix can enhance both strength and damage tolerance while the use of additive manufacturing (AM) will help overcome the challenges in manufacturing complex-shaped components. In this work, the AM technique of direct ink writing (DIW) is used to extrude a preceramic polymer based slurry to build up complex structures of chopped fiber UHTC ceramic composites (UHTCMCs). An additional benefit of the DIW process is the ability to align high aspect ratio reinforcement phase for enhanced mechanical performance. Slurries consist of commercial silicon carbide preceramic polymer highly loaded (>40 vol.%) with ZrB2 powder and chopped SiC fiber (up to 10 vol.%). Pyrolysis experiments have been carried out at 1200 and 1600 oC with fiber distribution and orientation explored through microscopy and x-ray CT analysis.
Proceedings Inclusion? Undecided

OTHER PAPERS PLANNED FOR THIS SYMPOSIUM

Additive Manufacturing of 8 mol % Yttria Stabilized Zirconia Ceramics
Additive Manufacturing of Bi-continuous Piezocomposites based on Triply Periodic Micro-skeleton for Tailorable Hydrostatic Performance
Direct Ink Writing of Chopped Fiber Ultra-High Temperature Ceramic Matrix Composites (UHTCMCs)
Effects of Printing Parameters on Density And Mechanical Properties of Binder Jet 3D Printed WC-Co
Effects of Printing Parameters on Microstructure and Mechanical Properties of Binder Jet 3D Printed WC-Co
Fast Fabrication of Bioceramics Parts by Combining Stereolithography and Microwave Sintering
Fused Filament Fabrication of Metal Matrix Composites (MMC)
Geometry Limitations of Indirect Laser Sintering of Alumina
Hybrid Additive Manufacturing Technology Applied to Si3N4 Freeform Components Fabrication
Initiation of Selective Laser Flash Sintering in Yttria-Stabilized Zirconia
Laser-based Additive Manufacturing of Bi-metallic & Tri-metallic Oxide Layers
Manufacturing, Microstructure and Compressive Mechanical Properties of WC-12Co Cermet Material Fabricated by Direct Energy Deposition
Process Parameter Variations and 3D Printing of Ceria Ceramics
Sintering, Characterization and Evaluation of Ceramics Recycled from Waste Soda-lime-Silica Glass and White Corn Cob Ash
Temporary Coating for Binder Jet 3D Printed Tungsten Carbide-Cobalt Parts
Toughening of SiC-based Ceramics by Chopped Fiber via Selective Laser Sintering: Preliminary Thinking and Attempts
Ultra-fast, Selective Laser Sintering during Additive Manufacturing of Alumina
Uncertainty Quantification in Additive Manufacturing of Piezocomposites through Physics-informed Data-driven Modelling

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