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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 Effects of Printing Parameters on Density And Mechanical Properties of Binder Jet 3D Printed WC-Co
Author(s) Katerina Kimes, Pierangeli Rodriguiz, Danielle Brunetta, Drew Elhassid, Markus Chmielus
On-Site Speaker (Planned) Danielle Brunetta
Abstract Scope Tungsten carbide-cobalt (WC-Co) is a cermet with excellent combination of hardness, provided by WC grains, and toughness, provided by the Co-matrix. Traditionally, WC-Co parts are formed through powder metallurgy. WC and Co powders are pressed to a low-density part, which is de-waxed, sintered and hot-isostatic-pressed (HIP). However, this demands mass production to justify mold creation, resulting in a slow and expensive process. Additive Manufacturing, particularly binder jet 3D-printing (BJ3DP) appeared as an option to supplement traditional WC-Co manufacturing, allowing the production of fast and detailed parts. A design of experiments was schemed to find the optimal printing parameters to form parts with high green densities, translating to high hardness and toughness. The highest green densities were obtained with a 220% binder saturation, 45 s drying time, 100 Ám layer thickness, 5 mm/s roller speed, and a build-to-feed ratio of 2. Sintered-HIPed parts resulted in 99% density and 1286 HV hardness.
Proceedings Inclusion? Undecided


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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