Recent advances in the development of high-performance HRE-free and  RE-lean permanent magnets

SEPEHRI AMIN Hossein; KULESH Nikita; ZHANG Jiasheng; KAUTSAR Zulfa Hilmi; BOLYACHKIN Anton; TANG Xin; H. Nakamura; OHKUBO Tadakatsu; HONO Kazuhiro

口頭発表 Recent advances in the development of high-performance HRE-free and RE-lean permanent magnets

SEPEHRI AMIN Hossein (Research Center for Magnetic and Spintronic Materials/Green Magnetic Materials Group, National Institute for Materials Science) ; KULESH Nikita (International Center for Young Scientists, National Institute for Materials Science) ; ZHANG Jiasheng (Research Center for Magnetic and Spintronic Materials/Green Magnetic Materials Group, National Institute for Materials Science) ; KAUTSAR Zulfa Hilmi (Research Center for Magnetic and Spintronic Materials/Green Magnetic Materials Group, National Institute for Materials Science) ; BOLYACHKIN Anton (Research Center for Magnetic and Spintronic Materials/Green Magnetic Materials Group, National Institute for Materials Science) ; TANG Xin (Research Center for Magnetic and Spintronic Materials/Green Magnetic Materials Group, National Institute for Materials Science) ; H. Nakamura (Shin-Etsu Chemical) ; OHKUBO Tadakatsu (Research Center for Magnetic and Spintronic Materials, National Institute for Materials Science) ; HONO Kazuhiro (National Institute for Materials Science)

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SEPEHRI AMIN Hossein, KULESH Nikita, ZHANG Jiasheng, KAUTSAR Zulfa Hilmi, BOLYACHKIN Anton, TANG Xin, H. Nakamura, OHKUBO Tadakatsu, HONO Kazuhiro. Recent advances in the development of high-performance HRE-free and RE-lean permanent magnets. https://doi.org/10.48505/nims.6124

(BibTeX)

代替タイトル: Recent advances in the development of high-performance HRE-free and RE-lean permanent magnets

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(abstract)

The demand for (Nd,Dy)-Fe-B permanent magnets is growing due to their applications in green energy conversion and transportation. To ensure sustainable long-term production, it is essential to reduce dependence on critical elements like Dy and diversify the use of rare earths while maintaining high coercivity and energy density in the magnets. In this talk, we will discuss how the integration of advanced materials processing, multi-scale microstructural characterization, FIB/SEM tomography-based micromagnetic simulations, and machine learning models has contributed to the development of high-performance permanent magnets that are free of heavy rare earths or contain minimal rare-earth content.

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