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 -(3)

Thu. Mar 19, 2020 9:00 AM - 1:50 PM Rm. H (W541,4th Flr., West Lecture Bldg.1)

Chair:Kanta Ono(KEK), Yoshihiro Gohda

11:10 AM - 11:25 AM

[S5.33] Visualization of the magnetization reversal process in He jet-milled Nd-Fe-B sintered magnet by hard X-ray magnetic microtomography

*Suzuki Motohiro1, Kobayashi Shintaro1,2, Nakamura Tetsuya1,2,3, Takeuchi Makoto3, Yomogida Takahiro3, Kikuchi Nobuaki3, Okamoto Satoshi2,3, Kitakami Osamu3, Une Yasuhiro4 (1. JASRI, 2. ESICMM-NIMS, 3. IMRAM Tohoku Univ., 4. Daido Steel Co., Ltd.)

Keywords:焼結磁石、磁化反転過程、保磁力、放射光、磁気イメージング

最近開発された硬X線磁気トモグラフィー測定によりNd-Fe-B焼結磁石の内部の磁区構造を非破壊に観察し、磁化反転過程を3次元的に可視化した結果を報告する。

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