Development of high performance permanent magnets;  elements criticality, new demands, and extrinsic magnetic properties

SEPEHRI AMIN Hossein; TANG Xin; ZHANG Jiasheng; BOLYACHKIN Anton; OHKUBO Tadakatsu; HONO Kazuhiro

口頭発表 Development of high performance permanent magnets; elements criticality, new demands, and extrinsic magnetic properties

SEPEHRI AMIN Hossein (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) ; ZHANG Jiasheng (Research Center for Magnetic and Spintronic Materials/Green Magnetic Materials Group, National Institute for Materials Science) ; BOLYACHKIN Anton (International Center for Young Scientists, National Institute for Materials Science) ; 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, TANG Xin, ZHANG Jiasheng, BOLYACHKIN Anton, OHKUBO Tadakatsu, HONO Kazuhiro. Development of high performance permanent magnets; elements criticality, new demands, and extrinsic magnetic properties. https://doi.org/10.48505/nims.4844

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(abstract)

In this talk, we discuss the potential of Fe-rich SmFe12 based magnets and the current challenges to realise these materials as new permanent magnets. We will show our recent success in realising a sufficiently large coercivity of 1.0 T in rare earth lean SmFe12 based anisotropic sintered magnets assisted by machine learning. Based on detailed microstructural characterisations, modelled thin films and micromagnetic simulations, the optimal microstructure that can lead to higher coercivity and remanent magnetisation in the SmFe12-based magnets will be discussed.

権利情報:

Creative Commons BY Attribution 4.0 International

キーワード: Permanent magnet

会議: 13th Joint European Magnetic Symposia (JEMS) (2023-08-27 - 2023-09-01)

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原稿種別: 論文以外のデータ

MDR DOI: https://doi.org/10.48505/nims.4844

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更新時刻: 2024-10-16 12:30:17 +0900

MDRでの公開時刻: 2024-10-16 12:30:18 +0900

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