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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 Densification and Microstructure Evolution of Alumina Structures via Direct Ink Writing
Author(s) Deeksha Kodangal, Rajendra Kumar Bordia
On-Site Speaker (Planned) Deeksha Kodangal
Abstract Scope The green structures formed by Direct Ink Writing (DIW or Robocasting) technique exhibits anisotropy at various length scale, distinguishing them from conventionally processed green bodies. In this study, we have compared the densification kinetics and microstructure evolution of alumina structures processed by slip-cast and robocasting techniques. A slurry with optimized solid content of 55 vol% alumina was prepared with DI water as a solvent and printed using a robocaster. A 50 vol% alumina slurry was prepared for slip casting. Both the structures were sintered at different temperatures for 2 hours in air. The densification kinetics and microstructural evolution has been compared for the robocast and slip-cast samples. This study is part of a larger project to develop a comprehensive sintering model for additively manufactured ceramics.

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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