About this Abstract |
Meeting |
MS&T21: Materials Science & Technology
|
Symposium
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Additive Manufacturing of Metals: Microstructure, Properties and Alloy Development
|
Presentation Title |
Process-property Relationships of Additively Manufactured Multi-material NiZnCu-ferrite Soft Magnetic Composites |
Author(s) |
Caleb Andrews, Li Ma, Ryan Carter, Ian McCue, Joseph Sopcisak, Mitra Taheri |
On-Site Speaker (Planned) |
Caleb Andrews |
Abstract Scope |
Recent advances in multi-material additive manufacturing (AM) have enabled the production of more complex magnetic materials, including soft magnetic composites (SMCs). Our prior research has demonstrated the ability to manufacture metal-on-metal NiZnCu-ferrite SMCs with high permeability and acceptable core loss, but poor properties for high frequency applications and high porosity. Utilizing process simulations and high-resolution electron backscattering diffraction (HR-EBSD) analysis, variables were identified that could serve to improve the magnetic properties and reduce defects within this multi-powder system. We demonstrate an optimization study, informed by multiple modeling techniques and device production/analysis, that indicates a pathway to producing more dense, higher performance, and rare earth element free SMCs. It is critical that AM can meet the growing need for lighter and more geometrically complex electric motors and devices that conventional processes cannot, and this research aims to provide a model and method to achieve this. |