| About this Abstract |
| 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. |