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14 records found.

Multi-objective optimization of magnet compositions by machine learning

Conference poster
Collection: The 28th International Workshop on Rare Earth and Future Permanent Magnets and Their Applications (REPM2025)
Creator: Hyuga Hosoi (author) (Search by this author)

Toyota Motor Corporation, Japan

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Yamano Hayate (author) (Search by this author)

Toyota Motor Corporation, Japan

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Kinoshita Akihito (author) (Search by this author)

Toyota Motor Corporation, Japan

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Sakuma Noritsugu (author) (Search by this author)

Toyota Motor Corporation, Japan

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Umetani Yusuke (author) (Search by this author)

Toyota Motor Corporation, Japan

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Shoji Tetsuya (author) (Search by this author)

Toyota Motor Corporation, Japan

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Thomas Schrefl (author) (Search by this author)

Donau University Krems, Austria
Keyword: REPM2025, NdFeB, Machine Learning, Multi–objective optimization, WAVEBASE
Date published
Updated at: 2025-09-11 16:31:00 +0900

Enabling the production of large HRE lean magnets with homogeneous microstructure - the particle size effect in the 2-powder method and core-shell development in large magnets

Conference presentation
Collection: The 28th International Workshop on Rare Earth and Future Permanent Magnets and Their Applications (REPM2025)
Creator: Konrad Opelt (author) (Search by this author)

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

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Mario Schönfeldt (author) (Search by this author)

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

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Chi-Chia Lin (author) (Search by this author)

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

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Jürgen Gassmann (author) (Search by this author)

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

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Imants Dirba (author) (Search by this author)

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

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Abdullatif Durgun (author) (Search by this author)

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

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Matic Jovičević-Klug (author) (Search by this author)

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

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Oliver Gutfleisch (author) (Search by this author)

TU Darmstadt, Department of Materials and Geosciences, Functional Materials, Peter-Grünberg-Str. 16, 64287 Darmstadt, Germany
Keyword: REPM2025, Nd-Fe-B, life-cycle-assessment, permanent magnets, core-shell structure, sustainable manufacturing
Date published
Updated at: 2025-09-11 16:31:55 +0900

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

Conference presentation
Collection: The 28th International Workshop on Rare Earth and Future Permanent Magnets and Their Applications (REPM2025)
Creator: Imants Dirba (author) (Search by this author)

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

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Abdullatif Durgun (author) (Search by this author)

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

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Dominik Ohmer (author) (Search by this author)

Vacuumschmelze GmbH & Co. KG, 63412 Hanau, Germany

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Matthias Katter (author) (Search by this author)

Vacuumschmelze GmbH & Co. KG, 63412 Hanau, Germany

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Andreas Thul (author) (Search by this author)

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

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Hossein Sepehri Amin (author) (Search by this author)

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

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Oliver Gutfleisch (author) (Search by this author)

Functional Materials, Institute of Materials Science, Technical University of Darmstadt, 64287 Darmstadt, Germany
Keyword: REPM2025, permanent magnet, Nd2Fe14B, heavy rare earth, grain boundary diffusion, terbium
Date published
Updated at: 2025-08-20 12:30:47 +0900

Design Studies on IPMSM with Radially Oriented Arc-Shaped Metal Magnet for Automotive Traction Drives

Conference presentation
Collection: The 28th International Workshop on Rare Earth and Future Permanent Magnets and Their Applications (REPM2025)
Creator: Jumpei Hinata (author) (Search by this author)

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

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Takanori Kajiwara (author) (Search by this author)

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

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Takashi Oikawa (author) (Search by this author)

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

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Yoshiaki Kano (author) (Search by this author)

Dept. of Electrical and Electronics Engineering, Daido University, Japan
Keyword: REPM2025, xEV, IPMSM, Nd-Fe-B magnet, Hot-deformed magnet, Arc-Shaped magnet
Date published
Updated at: 2025-08-20 12:30:52 +0900

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

Conference poster
Collection: The 28th International Workshop on Rare Earth and Future Permanent Magnets and Their Applications (REPM2025)
Creator: Mario Schönfeldt (author) (Search by this author)

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

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Jürgen Rossa (author) (Search by this author)

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

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Konrad Opelt (author) (Search by this author)

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

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Kilian Schäfer (author) (Search by this author)

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

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Lukas Schäfer (author) (Search by this author)

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

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Fernando Maccari (author) (Search by this author)

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

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Matic Jovičević-Klug (author) (Search by this author)

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

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Tim M. Schwarz (author) (Search by this author)

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

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Chi-Chia Lin (author) (Search by this author)

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

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Mahmudul Hasan (author) (Search by this author)

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

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Jürgen Gassmann (author) (Search by this author)

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

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Dierk Raabe (author) (Search by this author)

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

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Oliver Gutfleisch (author) (Search by this author)

TU Darmstadt, Department of Materials and Geosciences, Functional Materials, Peter-Grünberg-Str. 16, 64287 Darmstadt, Germany
Keyword: REPM2025, recycling, Nd-Fe-B, sustainability, permanent magnets, grain boundary diffusion process
Date published
Updated at: 2025-09-11 16:31:41 +0900

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

Conference presentation
Collection: The 28th International Workshop on Rare Earth and Future Permanent Magnets and Their Applications (REPM2025)
Creator: Gabriel Gomez Eslava (author) (Search by this author)

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

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Patricia de Rango (author) (Search by this author)

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

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Sorana Luca (author) (Search by this author)

Univ. Grenoble Alpes, CEA, Liten, F-38000 Grenoble, France
Keyword: REPM2025, TR-Fe12 compounds, low temperature densification, eutectic alloys
Date published
Updated at: 2025-09-11 16:31:10 +0900

Continuous real-time O 1s core XPS spectra of initial O₂ molecule adsorption on polar and m-plane surfaces of GaN

Dataset
Creator: SUMIYA, Masatomo (author) (Search by this author)

https://orcid.org/0000-0003-0960-3812

National Institute for Materials Science

NIMS Researchers Directory SAMURAI
Keyword: GaN, Gallium nitride, Oxidation, Adsorption, XPS, SPring-8
Date published: 2020-11-19
Updated at: 2024-01-05 22:13:22 +0900

Improvement of Hk and squareness in d-HDDR-treated Nd-Fe-B powders prepared using modified starting powder

Conference poster
Collection: The 28th International Workshop on Rare Earth and Future Permanent Magnets and Their Applications (REPM2025)
Creator: Takashi Horikawa (author) (Search by this author)

Aichi Steel Corporation, Japan

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Masao Yamazaki (author) (Search by this author)

Aichi Steel Corporation, Japan

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Masashi Matsuura (author) (Search by this author)

Tohoku University, Japan

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Satoshi Sugimoto (author) (Search by this author)

Tohoku University, Japan
Keyword: REPM2025, Nd-Fe-B magnet powder, HDDR, Hk, squareness, powder diameter
Date published
Updated at: 2025-09-11 16:31:46 +0900

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

Conference presentation
Collection: The 28th International Workshop on Rare Earth and Future Permanent Magnets and Their Applications (REPM2025)
Creator: Anton Bolyachkin (author) (Search by this author)

National Institute for Materials Science, Japan

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Xin Tang (author) (Search by this author)

National Institute for Materials Science, Japan

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Nikita Kulesh (author) (Search by this author)

National Institute for Materials Science, Japan

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Hossein Sepehri-Amin (author) (Search by this author)

National Institute for Materials Science, Japan
Keyword: REPM2025, Micromagnetic simulations, Nd-Fe-B magnets, grain boundary diffusion
Date published
Updated at: 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

Conference presentation
Collection: The 28th International Workshop on Rare Earth and Future Permanent Magnets and Their Applications (REPM2025)
Creator: Aymeric Wolz (author) (Search by this author)

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

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Jean-Paul Garandet (author) (Search by this author)

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

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Camille Flament (author) (Search by this author)

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

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Olivier Tosoni (author) (Search by this author)

CEA (French Alternative Energies and Atomic Energy Commission), France
Keyword: REPM2025, Laser Powder Bed Fusion (LPBF), Additive manufacturing, NdFeB, Microstructure investigation, Columnar to equiaxed transition (CET)
Date published
Updated at: 2025-09-11 16:31:28 +0900

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