Fe-6.5Si-based Magnetic Cores with Metal-Insulator-Metal Structure via Dual-nozzle Material Extrusion (MEX) Technology

Published: 28 November 2024| Version 1 | DOI: 10.17632/m4357nkv7v.1
Contributors:
Taehyeob Im,

Description

In this study, we proposed an innovative AM process for soft magnetic cores that integrated silicon steel sheets (high-silicon content) with SiO2 insulators. Utilizing a dual-nozzle MEX 3D printer, the process involved the fabrication of green parts from brittle Fe-6.5Si and SiO2, followed by the application of SPS to achieve high-density soft magnetic cores. The proposed method addresses the geometric limitations of traditional stamping processes and enhances energy efficiency by enabling a higher silicon content in the cores. Thus, it paves the way for more complex and efficient magnetic core designs for advanced applications.

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Magnetic Material, Spark Plasma Sintering, Electrical Steel, Design for Additive Manufacture

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