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Meeting MS&T23: Materials Science & Technology
Symposium Additive Manufacturing of Ceramic-based Materials: Process Development, Materials, Process Optimization and Applications
Presentation Title Aqueous Slurry Development and Characterization for Multiple-Oxide Direct Ink Writing
Author(s) Patrick L. Snarr, Corson Cramer, Joseph J. Beaman, Andrew T. Nelson
On-Site Speaker (Planned) Patrick L. Snarr
Abstract Scope Direct Ink Writing (DIW) is an extrusion based additive manufacturing process capable of printing multi-oxide ceramic components. Multi-oxide DIW can potentially eliminate the need for assembly of multiple manufactured components and post processing steps such as application of coatings. However, mixing materials with different thermal properties may cause issues such as cracking upon sintering, which can adversely affect material properties. This study developed novel ZrO2 and Gd2O3 bearing aqueous slurries suitable for multi-oxide DIW. Slurry constituents such as solids content, dispersants, and viscosity modifiers were investigated to determine the impact on slurry rheology. After determining the optimal modifiers, each slurry had similar rheology, allowing for uniform printing. Shrinkage behavior of components produced with varying geometries were characterized in conjunction with the resulting microstructures. Ultimately, each DIW processing step was characterized to gain understanding of how a multi-oxide DIW system may behave.


A Novel Integrated Additive Manufacturing and Laser Processing Method for Protonic Ceramic Energy Devices
Additive Continuous Microwave Sintering for Lunar Construction
Additive Manufacture of Cordierite Ceramic Materials via Digital Light Processing
Additive Manufacturing of Solid-state Electrolytes for Lithium Metal Batteries
Aqueous Slurry Development and Characterization for Multiple-Oxide Direct Ink Writing
Ceramic 3D Printing Utilizing Binder Jetting Technology for Medical Uses
Challenges and Future Directions for Ceramic Additive Manufacturing in Incorporation of Fiber Reinforcements and Machine Learning Strategies
Custom Manufacturing of Shape-conforming Battery Components Using VPP
Direct Ink Writing of Semiconductive Oxide-based Sensors for High-temperature Applications
Evaluation of Calibration Measurements for Accelerated Development of Ceramic Vat Photopolymerization Process and Post-process Parameters
Fused Deposition Modeling of Polycarbosilane to Manufacture Silicon Carbide-based Materials
Hydrothermal-assisted Jet Fusion: A Selective Cold Sintering Approach
Laser Powder Bed Fusion of Tungsten Carbide-Nickel Geometries Leveraging Thermomechanical Modeling
Materials Development for Demanding Applications with Binderjet WC-Co
The Influence of Print Layer Orientation on the Mechanical Properties of SIC and CF/SIC CMCS Formed via Direct Ink Writing
Ultra-fast Laser Sintering of Ceramics and Glasses, and Machine Learning-based, Processing-microstructure-property Predictions for Laser-sintered Ceramics and Glasses
Use of Powder Bed Fabrication Processes for Ceramic Additive Manufacturing

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