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Meeting Materials Science & Technology 2020
Symposium Additive Manufacturing of Ceramic-based Materials: Process Development, Materials, Process Optimization and Applications
Presentation Title Hybrid Additive Manufacturing Technology Applied to Si3N4 Freeform Components Fabrication
Author(s) Anna De Marzi, Johanna Schmidt, Sarah Diener, Giorgia Franchin, Paolo Colombo
On-Site Speaker (Planned) Anna De Marzi
Abstract Scope DIW and Vat Photo-polymerization techniques have been largely developed in the past years. Their use is however limited due to the process of material consolidation itself. In order to overcome their drawbacks, the two technologies will be combined so just a thin shell of the extruded filament will need to be consolidated to maintain itself. Therefore, it’s possible to not tune the ink’s rheology is required and to deal with black ceramic particles. A suspension of silicon nitride powder in an acrylate mixture will be printed in different freeforming shapes by using a prototyped system composed of an UV LEDs array mounted over the printer head of a DIW equipment and controlled via the machine gcode path. The hybrid equipment will be shown and presented. Debinding and sintering processes were performed to remove the organic part of the structure and SEM images were taken to determine its densification.
Proceedings Inclusion? Undecided

OTHER PAPERS PLANNED FOR THIS SYMPOSIUM

Additive Manufacturing of 8 mol % Yttria Stabilized Zirconia Ceramics
Additive Manufacturing of Bi-continuous Piezocomposites based on Triply Periodic Micro-skeleton for Tailorable Hydrostatic Performance
Direct Ink Writing of Chopped Fiber Ultra-High Temperature Ceramic Matrix Composites (UHTCMCs)
Effects of Printing Parameters on Density And Mechanical Properties of Binder Jet 3D Printed WC-Co
Effects of Printing Parameters on Microstructure and Mechanical Properties of Binder Jet 3D Printed WC-Co
Fast Fabrication of Bioceramics Parts by Combining Stereolithography and Microwave Sintering
Fused Filament Fabrication of Metal Matrix Composites (MMC)
Geometry Limitations of Indirect Laser Sintering of Alumina
Hybrid Additive Manufacturing Technology Applied to Si3N4 Freeform Components Fabrication
Initiation of Selective Laser Flash Sintering in Yttria-Stabilized Zirconia
Laser-based Additive Manufacturing of Bi-metallic & Tri-metallic Oxide Layers
Manufacturing, Microstructure and Compressive Mechanical Properties of WC-12Co Cermet Material Fabricated by Direct Energy Deposition
Process Parameter Variations and 3D Printing of Ceria Ceramics
Sintering, Characterization and Evaluation of Ceramics Recycled from Waste Soda-lime-Silica Glass and White Corn Cob Ash
Temporary Coating for Binder Jet 3D Printed Tungsten Carbide-Cobalt Parts
Toughening of SiC-based Ceramics by Chopped Fiber via Selective Laser Sintering: Preliminary Thinking and Attempts
Ultra-fast, Selective Laser Sintering during Additive Manufacturing of Alumina
Uncertainty Quantification in Additive Manufacturing of Piezocomposites through Physics-informed Data-driven Modelling

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