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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 Initiation of Selective Laser Flash Sintering in Yttria-Stabilized Zirconia
Author(s) Deborah Hagen, Joseph J Beaman, Desiderio Kovar
On-Site Speaker (Planned) Deborah Hagen
Abstract Scope The simultaneous application of uniform heating and a large electric field to flash sinter ceramics has been extensively studied in a furnace environment. More recently, selective laser flash sintering (SLFS) has been demonstrated. SLFS utilizes a laser that is scanned on the sample surface to rapidly heat a local area of a ceramic while applying an electric field between two electrodes. In this work, we investigate the initial stages of flash sintering using SLFS. We report on the initiation of electrical current flow through 8YSZ ceramic powder compacts using a carbon dioxide laser and a DC electric field. We evaluate parameters that affect the initiation of the flash event and their relationship to possible flash sintering mechanisms.
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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