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

座長時間
9:00～11:00 佐々木
11:10～12:10 小野
13:00～13:50 合田
※表示の講演時間には質疑応答時間も含みます。
（質疑応答時間５分、基調講演と外国人特別講演は5～10分）

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9:00 AM - 9:40 AM

[S5.28] [Keynote Lecture] Powder and Powder Metallurgy Processes for High-Performance Sm₂Fe₁₇N₃ Magnets

*TAKAGI Kenta¹ (1. AIST)

9:40 AM - 10:00 AM

[S5.29] Fabrication of high heat resistant Sm-Fe-N magnetic powder by reduction-diffusion process

*Matsuda Ruka¹, Matsuura Masashi¹, Tezuka Nobuki¹, Sugimoto Satoshi^1,2, Ishikawa Takashi³, Yoneyama Yukinobu³ (1. Tohoku Univ., 2. Tohoku Univ. RaMGI, 3. Sumitomo Metal Mining Co.,Ltd.)

10:00 AM - 10:15 AM

[S5.30] Synthesis of TbCu₇-type Sm-Fe fine powder by low-temperature reduction-diffusion

*OKADA Shusuke¹, TAKAGI Kenta¹ (1. AIST)

10:15 AM - 10:35 AM

[S5.31] Preparation of Sm-Fe fine alloy powder by induction thermal plasma

*HIRAYAMA Yusuke¹, TAKAGI Kenta¹ (1. National Institute of Advanced Industrial Science and Technology)

10:35 AM - 11:00 AM

[S5.32] Factors Involved in the Amorphous Formation of Fe-7.7at%Sm Alloy in High Speed Melt Spinning Method

*TAMURA Takuya¹, LI Mingjun¹ (1. National Institute of AIST)

Break (11:00 AM - 11:10 AM)

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 Shintaro^1,2, Nakamura Tetsuya^1,2,3, Takeuchi Makoto³, Yomogida Takahiro³, Kikuchi Nobuaki³, Okamoto Satoshi^2,3, Kitakami Osamu³, Une Yasuhiro⁴ (1. JASRI, 2. ESICMM-NIMS, 3. IMRAM Tohoku Univ., 4. Daido Steel Co., Ltd.)

11:25 AM - 11:40 AM

[S5.34] Calculation of exchange coupling constants for magnetic metals using first principles calculation with localized basis set

*TERASAWA Asako¹, AINAI Yuta², OZAKI Taisuke³, GOHDA Yoshihiro¹ (1. Department of Materials Science and Engineering, Tokyo Tech, 2. Department of Materials Science and Engineering, Tokyo Tech (Grad. Student), 3. ISSP, The Univ of Tokyo)

11:40 AM - 11:55 AM

[S5.35] Search for thermodynamically stable phases in Y-Fe and Y-Co systems by evolutionary algorithm

*Ishikawa Takahiro¹, Miyake Takashi² (1. NIMS, 2. AIST)

11:55 AM - 12:10 PM

[S5.36] Bayesian optimization for searching magnet compounds and its application to data obtained by first-principles calculation

*Fukazawa Taro^1,3, Harashima Yosuke^1,2,3, Miyake Takashi^1,3 (1. CD-FMat AIST, 2. iMaSS Nagoya Univ., 3. ESICMM NIMS)

Lunch (12:10 PM - 1:00 PM)

1:00 PM - 1:15 PM

[S5.37] Data integration between experiment and theory for rare-earth permanent magnets

*Matsumoto Munehisa¹, Hawai Takafumi^1,2, Ono Kanta^1,2,3 (1. KEK, 2. ESICMM, NIMS, 3. CMI2, MaDIS, NIMS)

1:15 PM - 1:35 PM

[S5.38] Development of estimation method for crystal orientation distribution using XRD and numerical analysis

*SODA Rikio¹, OZAKI Kimihiro¹ (1. National Institute of Advanced Industrial Science and Technology)

1:35 PM - 1:50 PM

[S5.39] Implementation of high-performance effective-field-calculation algorithm for ultra-large-scale micromagnetic simulation on multi-GPUs

*Tsukahara Hiroshi¹, Ono Kanta¹ (1. High Energy Accelerator Research Organization)

Session information