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Meeting MS&T23: Materials Science & Technology
Symposium Additive Manufacturing of High and Ultra-high Temperature Ceramics and Composites: Processing, Characterization and Testing
Presentation Title A-9: Advanced Manufacturing of Complex Zirconium Carbide Structures for Space Nuclear Propulsion
Author(s) Jackie Stone, Ryan Finkelstein, Jhonathan Rosales, Brian Jaques
On-Site Speaker (Planned) Jackie Stone
Abstract Scope NASA is considering nuclear thermal propulsion (NTP) spacecraft for manned missions to Mars and is investigating uranium carbide (UC) fuel as a replacement for liquid propellant due to its inherent efficiency, lower cost, and lower susceptibility to cracking in comparison to other uranium-based fuels. Accordingly, there has been an increase in advanced manufacturing (AM) research for refractory ceramics due to its geometric versatility and lower costs when compared to alternative fabrication techniques. One of the greatest advantages of AM is the ability to make unique and complex geometries, which are important for maximizing fuel performance and design for NTP applications. In this study, zirconium carbide (ZrC) was used as a surrogate for UC. 3D ZrC structures were additively manufactured and printed after ink optimization suitable for a direct-write printer. After printing, optimized sintering processes were developed and the monoliths were characterized for phase, microstructural homogeneity, density, and light element impurities.


3D Printing of Ceramic Composites
A-9: Advanced Manufacturing of Complex Zirconium Carbide Structures for Space Nuclear Propulsion
Additive Manufacturing for Functionally Graded Advanced Ceramics
Additive Manufacturing of Silicon Carbide Ceramics at the Micron-/nano- Particle Size for Hypersonic Capabilities
Additive Manufacturing of Silicon Nitride Using Stereolithography
Anisotropic Shrinkage of Additively Manufactured Ceramics Via Stereolithography
Carbide Based Fiber Growth by Laser Chemical Vapor Deposition
Effect of Variations in Carbon Fiber Loading of Silicon Carbide and Zirconium Diboride Cmcs Through Direct Ink Writing
Extrusion Based 3-D Printing of Reinforced SiC Using Hydrogel Pastes
Interpenetrating Phase Heterogeneous Ceramic-refractory Metal Composite Materials Created via Additive Manufacturing
Residual Stress in Additively Manufactured Alumina via Stereolithography
Robocasting Sintered SiC and Alumina for Extreme Applications
Towards Binder Jet Additive Manufacturing of High-temperature Ceramics - Understanding the Fundamentals to Overcome Processing Challenges
Vat Photopolymerization-based Additive Manufacturing of Different Non-oxide Ceramics

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