日本金属学会 2020年春期(第166回)講演大会

Presentation information

Koubo Symposium

[S5] Element strategy for high performance permanent magnets 7 - Fundamental and basic research toward next-generation novel materials -(1)

Tue. Mar 17, 2020 1:00 PM - 3:55 PM Rm. H (W541,4th Flr., West Lecture Bldg.1)

Chair:Takashi Miyake(AIST)

2:20 PM - 2:40 PM

[S5.3] Thermal fluctuation analysis for single grain reversal of NdFeB hot-deformed magnet

*YOMOGITA Takahiro1, Okamoto Satoshi1,2, Kikuchi Nobuaki1, Kitakami Osamu1, Hossein Sepehri-Amin2, Ohkubo Tadakatsu2, Hono Kazuhiro2, Hioki Keiko3, Hattori Atsushi3 (1. Tohoku Univ., 2. ESICMM, NIMS, 3. Daido Steel Co.Ltd.)

Keywords:NdFeB熱間加工磁石、保磁力解析、熱揺らぎ、単一粒子磁化反転、異常ホール効果

本研究では,NdFeB熱間加工磁石を集束イオンビームにより微細加工し,超高感度磁化計測手法である異常ホール効果測定による単一粒子の磁化反転計測とその熱揺らぎ解析について検討した.

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