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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 Density Improvement of Binder Jet Printed MnZn Ferrite Cores via Pre-and Post- Sintering Improvement Strategies
Author(s) Bishal Bhandari, Dipika Mandal, Christopher Scott Bracken, Chuyuan Zheng, Suraj Venkateshwaran Mullurkara, Paul R Ohodnicki
On-Site Speaker (Planned) Bishal Bhandari
Abstract Scope Binder-jet 3D printing involves precise application of binder onto layers of powder, gradually forming a green component subsequently consolidated through heat treatment. Despite advancements, the density of binder jet printed and sintered MnZn ferrite cores remains below 50%, necessitating improvement. This study focuses on feedstock optimization and infiltration experiments to enhance the density of sintered toroidal MnZn ferrite cores. Binder jet printed toroid samples were subjected to vacuum and pressure infiltration with slurries to augment relative bulk density post-sintering. Three different powders—carbonyl iron, black milled, mixture of constituent oxides of MnZn ferrites—were utilized as infiltrant dispersed in two mediums: ethanol and an ethanol-ethylene glycol mixture. Relative densities achieved through infiltration varied with the infiltrant. Magnetic characterization of infiltrated core revealed improved magnetic properties with black milled powder. This study concludes that infiltrated method followed herein is an effective approach for densification of binder jetted porous MnZn ferrite structure.


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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