期刊
JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS
卷 569, 期 -, 页码 -出版社
ELSEVIER
DOI: 10.1016/j.jmmm.2023.170426
关键词
Additive manufacturing; Electrical machines; 3D printed Fe-Si; Magnetic material
Nowadays, surpassing conventional 2D laminated structures is crucial for enhancing the functionality of electrical machines in the design process. Additive manufacturing (AM) provides unparalleled 3D freedom for processing metal-based materials, optimizing weight and cost effectiveness. This study focuses on 3D printing and testing of ferromagnetic material. Different parts are built using silicon steel (Fe-3wt%Si) powder through various AM techniques, and their magnetic properties are measured and compared. The results demonstrate the potential of AM technology in manufacturing magnetic materials, as well as the good magnetic properties achieved from the 3D printed samples. The study also highlights the possibilities of 3D multi-material printing for electrical machines.
Nowadays, going beyond the 2D conventionally laminated structures is essential for improving the functionality of an electrical machine during the design process. Additive manufacturing (AM) offers unmatched 3D freedom for processing metal-based materials optimized for weight and cost effectiveness. Using this technology, new families of electrical machines can be manufactured which are difficult to be built using conventional methods. This paper is mainly targeting printing and testing of ferromagnetic material. Using different AM techniques, different parts are built using the silicon steel (Fe-3 wt%Si) powder. The magnetic properties of these parts are measured and compared. Accordingly, a proper AM technology is identified as a promising method to manu-facture magnetic materials. Additionally, quasi-static measurements are performed at low frequencies to compare the hysteresis losses of the 3D printed samples with those in conventional Fe-Si laminations. Results shows that good magnetic properties can be obtained from the 3D printed samples. Finally, the potential of 3D multi-material printing is highlighted for electrical machines.
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