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Meeting MS&T22: Materials Science & Technology
Symposium Additive Manufacturing of Ceramic-based Materials: Process Development, Materials, Process Optimization and Applications
Presentation Title Multi-material Printing of Reaction Bonded Carbides by Robocasting
Author(s) Larissa Wahl, Michelle Weichelt, Nahum Travitzky
On-Site Speaker (Planned) Larissa Wahl
Abstract Scope Reaction bonded boron carbide (RBBC) and reaction bonded silicon carbide (BRSC) composites were fabricated using multi-material robocasting followed by liquid silicon infiltration (LSI). Multi-material robocasting offers the possibility to combine materials and thus their properties, as demonstrated in this work with silicon carbide (SiC) and boron carbide (B4C). The feasibility of combining RBSC and RBBC was demonstrated by printing multilayer bending bars. The microstructure of the samples was investigated and, in particular, the interfaces at each processing step were studied. After LSI, cracks were observed in the B4C layers due to differences in thermal expansion, but the interfaces showed no delamination and good interfacial bonding between the layers was evident. Residual stresses in the layers, which were theoretically calculated and further investigated by Raman measurements, could explain the cracking. By adjusting the paste composition, the stresses could be influenced and the crack formation prevented.

OTHER PAPERS PLANNED FOR THIS SYMPOSIUM

A-13: Evaluation of Reliability of Using Combined Rheological Methods for the Development of Ceramic Materials for 3D Printing
A-14: Nanomechanical Characterization of 3D Printed Ceramics
A-15: Rheological Study of 3D Printable All-inorganic Thermoelectric Inks for Direct Writing of Micro-thermoelectric Generator
A Study of Lithography-Based Additive Manufacturing of Ceria Ceramics
Additive Manufacturing of Alumina Toughened Zirconia and Zirconia Toughened Alumina
Additive Manufacturing of Mullite Ceramic by Digital Light Processing
Advanced Manufacturing of Controlled SOFC Electrolyte and Electrode Microstructures through Aerosol Deposition
Bonding Mechanisms in Indirect Selective Laser Sintering
Brittle Particle Cold Spray Technology
Ceramic 3D Printing for Investment Casting
Ceramic Additive Manufacturing for Innovative Zirconia-based Material
Direct Ink Writing of Nanoscale Feature Ceramics via Preceramic Polymer-block Copolymer Inks
Effects of Bimodal Particle Size Distribution on Mechanical and Thermal Properties of Densified SiC-Si Composites from Binder Jetting
Exploration of the Underlying Space in Microscopic Images via Deep Learning for Additively Manufactured Piezoceramics
Fabrication of Powder Components with Cooling Channels by Spark Plasma Sintering and Additive Manufacturing
Influence of Laser Processing Parameters on Thermoelectric and Microstructural Properties of Bi2Te3
Mass Customization, Moving Forwards with Additive Manufacturing
Micro-Cold Spray: Effect of Particle Impact Velocity on SiC Film Morphology
Modeling and Monitoring of Thermal Accumulation During Laser Powder Bed Fusion of Cemented Carbides
Multi-material Printing of Reaction Bonded Carbides by Robocasting
Phase-field Modeling of Co-Sintering of Ceramic Electrolyte/Electrode for All Solid-State Li-ion Batteries
Production of 3D Printed Electrodes for Batteries
Rapid Three-dimensional Printing of High-resolution Piezoelectric Structures Using Micro-CLIP
SLA-based Additive Manufacturing of 3D Structures with Surface Activated Silicone Carbide-polymer Composite
Transparent Alumina Fabricated by Energy Efficient Spark Plasma Sintering

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