Control and Manipulation of Microstructure in Magnetic Materials for Functional Devices

Tue. Nov 15, 2022 9:00 AM - 10:10 AM Room I (Hardy Hall)

Chairperson:Tatsuo FUJII(Okayama University)

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9:00 AM - 9:15 AM

[1-1A] Development of Powder Magnetic Core for Reactor in Electric Vehicles (1)
Fe-Si-Al alloy powder magnetic core with linear magnetization curve

*Shinjiro Saigusa¹, Masafumi Suzuki¹, Kohei Ishii¹, Minoru Nakamura¹, Naoki Iwata¹, Masashi Ohtsubo², Junghwan Hwang², Takeshi Hattori², Shingo Miyamoto³, Keita Tsuchiyama³, Kosuke Yoshimoto⁴ (1. TOYOTA MOTOR CORPORATION, 2. TOYOTA CENTRAL R&D LABS., INC., 3. DENSO CORPORATION, 4. DAIDO STEEL CO., LTD.)

9:15 AM - 9:30 AM

[1-2A] Development of Powder Magnetic Core for Reactor in Electric Vehicles(2)
Insulating Improvement of Magnetic Core Made from Powders Coated with Oxide Films

*Masashi Otsubo¹, Takeshi Hattori¹, Junghwan Hwang¹, Masaaki Tani¹, Daisuke Okamoto², Masafumi Suzuki², Kiyotaka Onodera², Shinjiro Saigusa², Kohei Ishii², Eisuke Hoshina² (1. TOYOTA CENTRAL R&D LABS.,INC., 2. TOYOTA MOTOR CORP.)

9:30 AM - 9:45 AM

[1-3A] Development of Powder Magnetic Core for Reactor in Electric Vehicles(3)
High Resistivity and High Strength of Magnetic Core Based of the Powders with Multilayer Films

*Masashi Otsubo¹, Masaaki Tani¹, Takeshi Hattori¹, Junghwan Hwang¹, Shinjiro Saigusa², Kohei Ishii², Naoki Iwata², Masafumi Suzuki², Nishiyama Masaaki², Shigeto Takeuchi² (1. TOYOTA CENTRAL R&D LABS.,INC., 2. TOYOTA MOTOR CORP.)

9:45 AM - 10:00 AM

[1-4A] Influence of network structure on alternating current magnetization of magnetic nanoparticles in pH-responsive ferrogels

Qi Bi¹, Ye Chen¹, *Yoshitaka Kitamoto¹ (1. Tokyo Institute of Technology)

Break (10 min) （10:00 AM - 10:10 AM）

Control and Manipulation of Microstructure in Magnetic Materials for Functional Devices

Tue. Nov 15, 2022 10:10 AM - 11:20 AM Room I (Hardy Hall)

Chairperson:Takeshi WAKI(Kyoto University)

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10:10 AM - 10:25 AM

[1-5A] Synthesis and shape control of acicular iron oxide particles by flux method

*Yu Yamamoto¹, Kampei Nishioka¹, Masakuni Takahashi¹, Jun Kano¹, Tatsuo Fujii¹ (1. Okayama University)

※This presenter is a candidate for the Student Award for Outstanding Presentation.

10:25 AM - 10:40 AM

[1-6A] Magnetic properties of Fe nano powder assembly synthesized by cold spray method

Tomoyuki Ogawa¹, *Yuhei Kurumiya¹, Eiji Watanabe², Hiroaki Kura², Shin Saito¹, Kenji Nakamura², Yuji Ichikawa¹, Kazuhiro Ogawa¹ (1. Tohoku University, 2. DENSO CORPORATION)

※This presenter is a candidate for the Student Award for Outstanding Presentation.

10:40 AM - 10:55 AM

[1-7A] Microstructure of Novel FeBNbP Nanocrystalline Alloy Powder with High B_s of 1.4 T

*Kazuhiro Yoshidome¹, Akito Hasegawa¹, Yoshiki Kajiura¹, Masakazu Hosono¹, Satoko Mori¹, Syota Goto¹, Hiroyuki Matsumoto¹ (1. TDK Corporation)

10:55 AM - 11:10 AM

[1-8A] Amorphous Forming Ability and Surface Structure in FeCo Based Amorphous Alloy with High B_s and High Corrosion Resistance

*Yoshiki Kajiura¹, Masakazu Hosono¹, Akito Hasegawa¹, Kazuhiro Yoshidome¹, Hiroyuki Matsumoto¹ (1. TDK Corporation)

Break (10 min) （11:10 AM - 11:20 AM）

Control and Manipulation of Microstructure in Magnetic Materials for Functional Devices

Tue. Nov 15, 2022 11:20 AM - 12:20 PM Room I (Hardy Hall)

Chairperson:Yoshitaka KITAMOTO(Tokyo Institute of Technology)

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11:20 AM - 11:35 AM

[1-9A] High frequency magnetic property of Nd₂Fe₁₇N₃

*Nobuyoshi IMAOKA¹, Jun AKAMATSU¹, Satoshi ABE¹, Michiya KUME¹ (1. NICHIA CORPORATION)

11:35 AM - 11:50 AM

[1-10A] High frequency magnetic property of Nd2Fe17N3 magnetic powder with nano α-Fe phase-separated surface layer

*Jun AKAMATSU¹, Satoshi Abe¹, Nobuyoshi Imaoka¹ (1. NICHIA CORPORATION)

11:50 AM - 12:05 PM

[1-11A] Microstructure of Nd₂Fe₁₇N₃ magnetic powder surface with nano α-Fe phase separated surface layer

*Satoshi Abe¹, Jun Akamatsu¹, Nobuyoshi Imaoka¹ (1. NICHIA CORPORATION)

12:05 PM - 12:20 PM

[1-12A] Fabrication of high-performance microwave absorbers and noise suppression sheets using spinodal decomposed Fe-Cr-Co flakes

*Saijian AJIA¹, Hirotaka ASA¹, Mitsuharu SATO¹, Masashi MATSUURA¹, Nobuki TEZUKA¹, Satoshi SUGIMOTO¹ (1. Tohoku University)

Control and Manipulation of Microstructure in Magnetic Materials for Functional Devices

Tue. Nov 15, 2022 1:20 PM - 2:35 PM Room I (Hardy Hall)

Chairperson:Satoshi SUGIMOTO(Tohoku University)

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1:20 PM - 2:00 PM

[1-13] Memorial Lecture of JSPM Award
Research on synthesis of functional alloy powders and their sintering

*Kimihiro Ozaki¹ (1. National Institute of Advanced Industrial Science and Technology (AIST))

2:00 PM - 2:15 PM

[1-14A] Improvement of magnetic properties by particle size distribution control of Sm₂Fe₁₇N₃ powder

*Wataru YAMAGUCHI¹, Akihide HOSOKAWA¹, Kenta TAKAGI¹ (1. National Institute of Advanced Industrial Science and Technology (AIST))

2:15 PM - 2:25 PM

[1-15B] Consolidation of Sm-Fe-N powders

*Masaya Miyauchi¹, Tetsuji Saito¹ (1. Chiba Institute of Technology)

※This presenter is a candidate for the Student Award for Outstanding Presentation.

Break (10 min) （2:25 PM - 2:35 PM）

Control and Manipulation of Microstructure in Magnetic Materials for Functional Devices

Tue. Nov 15, 2022 2:35 PM - 3:45 PM Room I (Hardy Hall)

Chairperson:Masaki Nakano(Nagasaki University)

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2:35 PM - 2:50 PM

[1-16A] Development of Sm₂Fe₁₇N₃anisotropic magnetic powder doped with La, W, and Ti

*Hisashi Maehara¹, Michiya Kume¹ (1. NICHIA CORPORATION)

2:50 PM - 3:05 PM

[1-17A] Low-oxygen Sm₂Fe₁₇N₃ anisotropic magnet produced from ball-milled powder

*Akihide Hosokawa¹, Wataru Yamaguchi¹, Kenta Takagi¹ (1. National Institute of Advanced Industrial Science and Technology)

3:05 PM - 3:20 PM

[1-18A] XRD data conversion technology for dataset construction

Hirmi Kashiwaya¹, Koji Shimojima¹, *Hiroyuki Hosokawa¹ (1. National Institute of Advanced Industrial Science and Technology)

3:20 PM - 3:35 PM

[1-19A] Optimization of Ball Mill Conditions for Magnetic Powders by Bayesian Optimization and Data Selection and Consideration of Outliers

*Koji SHIMOJIMA¹, Hiroyuki HOSOKAWA¹, Hiromi KASHIWAYA¹ (1. AIST)

Break (10 min) （3:35 PM - 3:45 PM）

Control and Manipulation of Microstructure in Magnetic Materials for Functional Devices

Tue. Nov 15, 2022 3:45 PM - 4:50 PM Room I (Hardy Hall)

Chairperson:Kimihiro OZAKI(National Institute of Advanced Industrial Science and Technology (AIST))

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3:45 PM - 4:05 PM

[1-20] Invited Talk: Microstructure control and device application of magnetic materials prepared by PLD method

*MASAKI NAKANO¹, Homare Horikawa¹, Kazuki Kouno¹, Kouta Higuchi¹, Akihiro Yamashita¹, Takeshi Yanai¹, Hirotoshi Fukunaga¹ (1. Nagasaki University)

4:05 PM - 4:25 PM

[1-21] Invited Talk: Phase formation and magnetic properties of rapidly quenched Sm-Fe-Nb alloys

*Shinya SAKURADA¹ (1. Toshiba Corporation)

4:25 PM - 4:40 PM

[1-22A] Relationship between Fe and Co content and magnetic properties in magnetic powder with a ThMn₁₂-type crystal structure

*Tomoko Kuno¹, Kurima Kobayashi¹, Hiroshi Fujiwara¹ (1. Ritsumeikan University)

Break (10 min) （4:40 PM - 4:50 PM）

Control and Manipulation of Microstructure in Magnetic Materials for Functional Devices

Tue. Nov 15, 2022 4:50 PM - 5:45 PM Room I (Hardy Hall)

Chairperson:Kurima Kobayashi

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4:50 PM - 5:05 PM

[1-23A] Crystal structure and magnetic properties of the c-axis oriented PdSb doped FePt alloy thin films deposited on amorphous substrates.

*Tomoya Matsuzaki¹, Kenji Kamishima¹, Koichi Kakizaki¹ (1. Saitama University Graduate School of Science and Engineering)

5:05 PM - 5:20 PM

[1-24A] Crystal structure and magnetic properties of Sb doped FePd alloy thin films

*Kaori Oinuma¹, Kenji Kamishima¹, Koichi Kakizaki¹ (1. Saitama university Graduate School of Science and Engineering )

5:20 PM - 5:35 PM

[1-25A] Investigation into non-stoichiometry of M-type Ca-La ferrite by scanning transmission electron microscopy

*Takeshi Waki¹, Yoshikazu Tabata¹, Hiroyuki Nakamura¹ (1. Kyoto University)

5:35 PM - 5:45 PM

[1-26B] Thermodynamic Discussion on Equilibrium Oxygen Pressure of Divalent-cation-substituted W-type Ferrite

*Shinji Nakai¹, Takeshi Waki¹, Yoshikazu Tabata¹, Hiroyuki Nakamura¹ (1. Kyoto university)

Sessions

Special Session » Control and Manipulation of Microstructure in Magnetic Materials for Functional Devices

Control and Manipulation of Microstructure in Magnetic Materials for Functional Devices

[1-1A] Development of Powder Magnetic Core for Reactor in Electric Vehicles (1)
Fe-Si-Al alloy powder magnetic core with linear magnetization curve

[1-2A] Development of Powder Magnetic Core for Reactor in Electric Vehicles(2)
Insulating Improvement of Magnetic Core Made from Powders Coated with Oxide Films

[1-3A] Development of Powder Magnetic Core for Reactor in Electric Vehicles(3)
High Resistivity and High Strength of Magnetic Core Based of the Powders with Multilayer Films

[1-4A] Influence of network structure on alternating current magnetization of magnetic nanoparticles in pH-responsive ferrogels

Control and Manipulation of Microstructure in Magnetic Materials for Functional Devices

[1-5A] Synthesis and shape control of acicular iron oxide particles by flux method

[1-6A] Magnetic properties of Fe nano powder assembly synthesized by cold spray method

[1-7A] Microstructure of Novel FeBNbP Nanocrystalline Alloy Powder with High B_s of 1.4 T

[1-8A] Amorphous Forming Ability and Surface Structure in FeCo Based Amorphous Alloy with High B_s and High Corrosion Resistance

Control and Manipulation of Microstructure in Magnetic Materials for Functional Devices

[1-9A] High frequency magnetic property of Nd₂Fe₁₇N₃

[1-10A] High frequency magnetic property of Nd2Fe17N3 magnetic powder with nano α-Fe phase-separated surface layer

[1-11A] Microstructure of Nd₂Fe₁₇N₃ magnetic powder surface with nano α-Fe phase separated surface layer

[1-12A] Fabrication of high-performance microwave absorbers and noise suppression sheets using spinodal decomposed Fe-Cr-Co flakes

Control and Manipulation of Microstructure in Magnetic Materials for Functional Devices

[1-13] Memorial Lecture of JSPM Award
Research on synthesis of functional alloy powders and their sintering

[1-14A] Improvement of magnetic properties by particle size distribution control of Sm₂Fe₁₇N₃ powder

[1-15B] Consolidation of Sm-Fe-N powders

Control and Manipulation of Microstructure in Magnetic Materials for Functional Devices

[1-16A] Development of Sm₂Fe₁₇N₃anisotropic magnetic powder doped with La, W, and Ti

[1-17A] Low-oxygen Sm₂Fe₁₇N₃ anisotropic magnet produced from ball-milled powder

[1-18A] XRD data conversion technology for dataset construction

[1-19A] Optimization of Ball Mill Conditions for Magnetic Powders by Bayesian Optimization and Data Selection and Consideration of Outliers

Control and Manipulation of Microstructure in Magnetic Materials for Functional Devices

[1-20] Invited Talk: Microstructure control and device application of magnetic materials prepared by PLD method

[1-21] Invited Talk: Phase formation and magnetic properties of rapidly quenched Sm-Fe-Nb alloys

[1-22A] Relationship between Fe and Co content and magnetic properties in magnetic powder with a ThMn₁₂-type crystal structure

Control and Manipulation of Microstructure in Magnetic Materials for Functional Devices

[1-23A] Crystal structure and magnetic properties of the c-axis oriented PdSb doped FePt alloy thin films deposited on amorphous substrates.

[1-24A] Crystal structure and magnetic properties of Sb doped FePd alloy thin films

[1-25A] Investigation into non-stoichiometry of M-type Ca-La ferrite by scanning transmission electron microscopy

[1-26B] Thermodynamic Discussion on Equilibrium Oxygen Pressure of Divalent-cation-substituted W-type Ferrite

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