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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 Towards Binder Jet Additive Manufacturing of High-temperature Ceramics - Understanding the Fundamentals to Overcome Processing Challenges
Author(s) Daniel Oropeza
On-Site Speaker (Planned) Daniel Oropeza
Abstract Scope Binder jet additive manufacturing (BJAM) holds promise for high-density processing of high-temperature ceramic materials. Understanding BJAM fundamentals, including spreading of thin powder layers, powder-binder interactions, and post-processing is critical to develop robust process parameters. Toward meeting these needs, the fabrication of an open-architecture BJAM testbed is presented. The testbed is then used to study BJAM spreading and jetting fundamentals, including the application of novel binder compositions for microstructural control. To probe the influence of powder characteristics and spreading parameters on layer density and homogeneity, the testbed is coupled with transmission x-ray imaging for spatially-resolved, non-contact powder layer density measurements. To explore the influence of binder composition on densification and part warping, a rapid ink development process is applied to synthesize custom polymer and reactive metal salt binder inks. Direct deposition of a reactive binder sintering aid via the BJAM testbed demonstrates densification control and sustained part strength of ceramic parts.


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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