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13 records found.

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

;

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

;

Xin Tang (author) (Search by this author)

National Institute for Materials Science, Japan

;

Nikita Kulesh (author) (Search by this author)

National Institute for Materials Science, Japan

;

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

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

;

Mario Schönfeldt (author) (Search by this author)

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

;

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

;

Jürgen Gassmann (author) (Search by this author)

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

;

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

;

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

;

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

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

;

Jürgen Rossa (author) (Search by this author)

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

;

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

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

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

Material solution dept., Daido Steel Co., Ltd., Japan
Keyword: REPM2025, xEV, Nd-Fe-B magnet, HREE-free, Hot-deformed magnet, Grain boundary diffusion
Date published
Updated at: 2025-08-20 12:30:57 +0900

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

Journal article
Creator: Takayuki Nakane (author) (Search by this author)

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

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

NIMS Researchers Directory SAMURAI

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Takashi Naka (author) (Search by this author)

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

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

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Kazuyoshi Sato (author) (Search by this author)

Gunma University

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Noriki Terada (author) (Search by this author)

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

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

NIMS Researchers Directory SAMURAI

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Pascal Manuel (author) (Search by this author)

ISIS Neutron Facility

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Ahmed Ibrahim (author) (Search by this author)

Tokyo Metropolitan University

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Shiro Kubuki (author) (Search by this author)

Tokyo Metropolitan University

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Chiya Numako (author) (Search by this author)

Chiba University

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Dimitry Khalyavin (author) (Search by this author)

ISIS Neutron and Muon Source

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Anne de Visser (author) (Search by this author)

University of Amsterdam

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Hiroya Abe (author) (Search by this author)

Osaka University
Keyword: 1D, phase transition, magnetism, hybrid material
Date published: 2026-02-10
Updated at: 2026-04-20 08:51:42 +0900

Applications of Permanent Magnets at the National Synchrotron Light Source-II

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

Brookhaven National Laboratory, United States of America

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Dean Hidas (author) (Search by this author)

Brookhaven National Laboratory, United States of America

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James Rank (author) (Search by this author)

Brookhaven National Laboratory, United States of America

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Marco Musardo (author) (Search by this author)

Brookhaven National Laboratory, United States of America

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Thomas Brookbank (author) (Search by this author)

Brookhaven National Laboratory, United States of America

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Brian Eipper (author) (Search by this author)

Brookhaven National Laboratory, United States of America

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Patrick N'Gotta (author) (Search by this author)

Brookhaven National Laboratory, United States of America
Keyword: REPM2025, Accelerator, Insertion Device, lattice magnet
Date published
Updated at: 2025-08-20 12:30:31 +0900

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

Conference poster
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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Jürgen Gassmann (author) (Search by this author)

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

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Oliver Diehl (author) (Search by this author)

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

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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, Iron nitride, Fe16N2, rare earth free, permanent magnet
Date published
Updated at: 2025-08-20 12:31:13 +0900

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

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

Daido Steel Co., Ltd., Japan

;

Fumiaki Kihara (author) (Search by this author)

Daido Steel Co., Ltd., Japan

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Takashi Oikawa (author) (Search by this author)

Daido Steel Co., Ltd., Japan

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Hiroshi Miyawaki (author) (Search by this author)

Daido Steel Co., Ltd., Japan
Keyword: REPM2025, Permanent magnet, Nd-Fe-B, Hot-deformed magnet, Heavy rare earth free, Melt spinning
Date published
Updated at: 2025-08-20 12:30:41 +0900

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