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Hydrogen-based functional recycling of Nd-Fe-B sintered magnets from e-mobility and wind power: influence on GBDP microstructure evolution and possibilities to improve the resulting properties

会議発表ポスター
コレクション: The 28th International Workshop on Rare Earth and Future Permanent Magnets and Their Applications (REPM2025)
著者: Mario Schönfeldt (author) (この著者で検索)

Fraunhofer IWKS, Fraunhofer Research Institution for Materials Recycling and Resource Strategies, Aschaffenburger Str. 121, 63457 Hanau, Germany

;

Jürgen Rossa (author) (この著者で検索)

Fraunhofer IWKS, Fraunhofer Research Institution for Materials Recycling and Resource Strategies, Aschaffenburger Str. 121, 63457 Hanau, Germany

;

Konrad Opelt (author) (この著者で検索)

Fraunhofer IWKS, Fraunhofer Research Institution for Materials Recycling and Resource Strategies, Aschaffenburger Str. 121, 63457 Hanau, Germany

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Kilian Schäfer (author) (この著者で検索)

TU Darmstadt, Department of Materials and Geosciences, Functional Materials, Peter-Grünberg-Str. 16, 64287 Darmstadt, Germany

;

Lukas Schäfer (author) (この著者で検索)

TU Darmstadt, Department of Materials and Geosciences, Functional Materials, Peter-Grünberg-Str. 16, 64287 Darmstadt, Germany

;

Fernando Maccari (author) (この著者で検索)

TU Darmstadt, Department of Materials and Geosciences, Functional Materials, Peter-Grünberg-Str. 16, 64287 Darmstadt, Germany

;

Matic Jovičević-Klug (author) (この著者で検索)

Max-Planck-Institute for Sustainable Materials GmbH, Department of Microstructure Physics and Alloy Design, Max-Planck-Str. 1, 40237 Düsseldorf, Germany

;

Tim M. Schwarz (author) (この著者で検索)

Max-Planck-Institute for Sustainable Materials GmbH, Department of Microstructure Physics and Alloy Design, Max-Planck-Str. 1, 40237 Düsseldorf, Germany

;

Chi-Chia Lin (author) (この著者で検索)

Fraunhofer IWKS, Fraunhofer Research Institution for Materials Recycling and Resource Strategies, Aschaffenburger Str. 121, 63457 Hanau, Germany

;

Mahmudul Hasan (author) (この著者で検索)

Fraunhofer IWKS, Fraunhofer Research Institution for Materials Recycling and Resource Strategies, Aschaffenburger Str. 121, 63457 Hanau, Germany

;

Jürgen Gassmann (author) (この著者で検索)

Fraunhofer IWKS, Fraunhofer Research Institution for Materials Recycling and Resource Strategies, Aschaffenburger Str. 121, 63457 Hanau, Germany

;

Dierk Raabe (author) (この著者で検索)

Max-Planck-Institute for Sustainable Materials GmbH, Department of Microstructure Physics and Alloy Design, Max-Planck-Str. 1, 40237 Düsseldorf, Germany

;

Oliver Gutfleisch (author) (この著者で検索)

TU Darmstadt, Department of Materials and Geosciences, Functional Materials, Peter-Grünberg-Str. 16, 64287 Darmstadt, Germany
キーワード: REPM2025, recycling, Nd-Fe-B, sustainability, permanent magnets, grain boundary diffusion process
刊行年月日
更新時刻: 2025-09-11 16:31:41 +0900

Reduction of heavy rare earths in Nd-Fe-B-based magnets by diffusion source and application area optimization

プレゼンテーション
コレクション: The 28th International Workshop on Rare Earth and Future Permanent Magnets and Their Applications (REPM2025)
著者: Imants Dirba (author) (この著者で検索)

Functional Materials, Institute of Materials Science, Technical University of Darmstadt, 64287 Darmstadt, Germany

;

Abdullatif Durgun (author) (この著者で検索)

Functional Materials, Institute of Materials Science, Technical University of Darmstadt, 64287 Darmstadt, Germany

;

Dominik Ohmer (author) (この著者で検索)

Vacuumschmelze GmbH & Co. KG, 63412 Hanau, Germany

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Matthias Katter (author) (この著者で検索)

Vacuumschmelze GmbH & Co. KG, 63412 Hanau, Germany

;

Andreas Thul (author) (この著者で検索)

Institute of Electrical Machines (IEM), RWTH Aachen University, 52062 Aachen, Germany

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Hossein Sepehri Amin (author) (この著者で検索)

National Institute for Materials Science, Tsukuba 305-0047, Japan

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Oliver Gutfleisch (author) (この著者で検索)

Functional Materials, Institute of Materials Science, Technical University of Darmstadt, 64287 Darmstadt, Germany
キーワード: REPM2025, permanent magnet, Nd2Fe14B, heavy rare earth, grain boundary diffusion, terbium
刊行年月日
更新時刻: 2025-08-20 12:30:47 +0900

Fabrication of high-performance HREE-free hot-deformed Nd-Fe-B magnets

プレゼンテーション
コレクション: The 28th International Workshop on Rare Earth and Future Permanent Magnets and Their Applications (REPM2025)
著者: Ryosuke Goto (author) (この著者で検索)

Daido Steel Co., Ltd., Japan

;

Fumiaki Kihara (author) (この著者で検索)

Daido Steel Co., Ltd., Japan

;

Takashi Oikawa (author) (この著者で検索)

Daido Steel Co., Ltd., Japan

;

Hiroshi Miyawaki (author) (この著者で検索)

Daido Steel Co., Ltd., Japan
キーワード: REPM2025, Permanent magnet, Nd-Fe-B, Hot-deformed magnet, Heavy rare earth free, Melt spinning
刊行年月日
更新時刻: 2025-08-20 12:30:41 +0900

Iron nitride Fe16N2: intrinsic properties, synthesis, stability and bulk magnets

会議発表ポスター
コレクション: The 28th International Workshop on Rare Earth and Future Permanent Magnets and Their Applications (REPM2025)
著者: Imants Dirba (author) (この著者で検索)

Functional Materials, Institute of Materials Science, Technical University of Darmstadt, 64287 Darmstadt, Germany

;

Jürgen Gassmann (author) (この著者で検索)

Fraunhofer Research Institution for Materials Recycling and Resource Strategies IWKS, Aschaffenburger Str. 121, 63457 Hanau, Germany

;

Oliver Diehl (author) (この著者で検索)

Fraunhofer Research Institution for Materials Recycling and Resource Strategies IWKS, Aschaffenburger Str. 121, 63457 Hanau, Germany

;

Oliver Gutfleisch (author) (この著者で検索)

Functional Materials, Institute of Materials Science, Technical University of Darmstadt, 64287 Darmstadt, Germany
キーワード: REPM2025, Iron nitride, Fe16N2, rare earth free, permanent magnet
刊行年月日
更新時刻: 2025-08-20 12:31:13 +0900

High performance HREE-free hot-deformed Nd-Fe-B magnets by Nd- Cu grain boundary diffusion

会議発表ポスター
コレクション: The 28th International Workshop on Rare Earth and Future Permanent Magnets and Their Applications (REPM2025)
著者: Kazumasa Fujimura (author) (この著者で検索)

Corporate R&D center, Daido Steel Co., Ltd., Japan

;

Takanori Kajiwara (author) (この著者で検索)

Corporate R&D center, Daido Steel Co., Ltd., Japan

;

Takashi Oikawa (author) (この著者で検索)

Corporate R&D center, Daido Steel Co., Ltd., Japan

;

Hiroshi Miyawaki (author) (この著者で検索)

Material solution dept., Daido Steel Co., Ltd., Japan
キーワード: REPM2025, xEV, Nd-Fe-B magnet, HREE-free, Hot-deformed magnet, Grain boundary diffusion
刊行年月日
更新時刻: 2025-08-20 12:30:57 +0900

Micromagnetic Simulations of Hot-deformed Nd-Fe-B Magnets Subjected to Eutectic Grain Boundary Diffusion Process

プレゼンテーション
コレクション: The 28th International Workshop on Rare Earth and Future Permanent Magnets and Their Applications (REPM2025)
著者: Anton Bolyachkin (author) (この著者で検索)

National Institute for Materials Science, Japan

;

Xin Tang (author) (この著者で検索)

National Institute for Materials Science, Japan

;

Nikita Kulesh (author) (この著者で検索)

National Institute for Materials Science, Japan

;

Hossein Sepehri-Amin (author) (この著者で検索)

National Institute for Materials Science, Japan
キーワード: REPM2025, Micromagnetic simulations, Nd-Fe-B magnets, grain boundary diffusion
刊行年月日
更新時刻: 2025-08-20 12:31:18 +0900

In-Depth investigation of the sub-micronic equiaxed grain microstructure of a NdFeB permanent magnet fabricated by Laser Powder Bed Fusion

プレゼンテーション
コレクション: The 28th International Workshop on Rare Earth and Future Permanent Magnets and Their Applications (REPM2025)
著者: Aymeric Wolz (author) (この著者で検索)

CEA (French Alternative Energies and Atomic Energy Commission), France

;

Jean-Paul Garandet (author) (この著者で検索)

CEA (French Alternative Energies and Atomic Energy Commission), France

;

Camille Flament (author) (この著者で検索)

CEA (French Alternative Energies and Atomic Energy Commission), France

;

Olivier Tosoni (author) (この著者で検索)

CEA (French Alternative Energies and Atomic Energy Commission), France
キーワード: REPM2025, Laser Powder Bed Fusion (LPBF), Additive manufacturing, NdFeB, Microstructure investigation, Columnar to equiaxed transition (CET)
刊行年月日
更新時刻: 2025-09-11 16:31:28 +0900

Quasi-one-dimensional magnetism of transition metal oxide in Fe-based inorganic–organic hybrid nanosheets

ジャーナル論文
著者: Takayuki Nakane (author) (この著者で検索)

https://orcid.org/0000-0003-0282-169X

National Institute for Materials Science Research Center for Electronic and Optical Materials/Optical Materials Field/Optical Ceramics Group

NIMS Researchers Directory SAMURAI

;

Takashi Naka (author) (この著者で検索)

https://orcid.org/0000-0002-0645-6952

National Institute for Materials Science Research Center for Electronic and Optical Materials/Optical Materials Field/Optical Ceramics Group

;

Kazuyoshi Sato (author) (この著者で検索)

Gunma University

;

Noriki Terada (author) (この著者で検索)

https://orcid.org/0000-0002-8676-5586

National Institute for Materials Science Research Center for Magnetic and Spintronic Materials/Green Magnetic Materials Group

NIMS Researchers Directory SAMURAI

;

Pascal Manuel (author) (この著者で検索)

ISIS Neutron Facility

;

Ahmed Ibrahim (author) (この著者で検索)

Tokyo Metropolitan University

;

Shiro Kubuki (author) (この著者で検索)

Tokyo Metropolitan University

;

Chiya Numako (author) (この著者で検索)

Chiba University

;

Dimitry Khalyavin (author) (この著者で検索)

ISIS Neutron and Muon Source

;

Anne de Visser (author) (この著者で検索)

University of Amsterdam

;

Hiroya Abe (author) (この著者で検索)

Osaka University
キーワード: 1D, phase transition, magnetism, hybrid material
刊行年月日: 2026-02-10
更新時刻: 2026-04-20 08:51:42 +0900

Multi-objective optimization of magnet compositions by machine learning

会議発表ポスター
コレクション: The 28th International Workshop on Rare Earth and Future Permanent Magnets and Their Applications (REPM2025)
著者: Hyuga Hosoi (author) (この著者で検索)

Toyota Motor Corporation, Japan

;

Yamano Hayate (author) (この著者で検索)

Toyota Motor Corporation, Japan

;

Kinoshita Akihito (author) (この著者で検索)

Toyota Motor Corporation, Japan

;

Sakuma Noritsugu (author) (この著者で検索)

Toyota Motor Corporation, Japan

;

Umetani Yusuke (author) (この著者で検索)

Toyota Motor Corporation, Japan

;

Shoji Tetsuya (author) (この著者で検索)

Toyota Motor Corporation, Japan

;

Thomas Schrefl (author) (この著者で検索)

Donau University Krems, Austria
キーワード: REPM2025, NdFeB, Machine Learning, Multi–objective optimization, WAVEBASE
刊行年月日
更新時刻: 2025-09-11 16:31:00 +0900

Low temperature densification of Nd(Fe,Mo)12 nitrided samples

プレゼンテーション
コレクション: The 28th International Workshop on Rare Earth and Future Permanent Magnets and Their Applications (REPM2025)
著者: Gabriel Gomez Eslava (author) (この著者で検索)

Univ. Grenoble Alpes, CEA, Liten, F-38000 Grenoble, France

;

Patricia de Rango (author) (この著者で検索)

Univ. Grenoble Alpes, CNRS, Institut Néel, 38000 Grenoble, France

;

Sorana Luca (author) (この著者で検索)

Univ. Grenoble Alpes, CEA, Liten, F-38000 Grenoble, France
キーワード: REPM2025, TR-Fe12 compounds, low temperature densification, eutectic alloys
刊行年月日
更新時刻: 2025-09-11 16:31:10 +0900

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