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;Kilian Schäfer (author) (Search by this author)TU Darmstadt, Department of Materials and Geosciences, Functional Materials, Peter-Grünberg-Str. 16, 64287 Darmstadt, Germany;Lukas Schäfer (author) (Search by this author)TU Darmstadt, Department of Materials and Geosciences, Functional Materials, Peter-Grünberg-Str. 16, 64287 Darmstadt, Germany;Fernando Maccari (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;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;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;Mahmudul Hasan (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;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, GermanyOliver 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
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;Abdullatif Durgun (author) (Search by this author)Functional Materials, Institute of Materials Science, Technical University of Darmstadt, 64287 Darmstadt, Germany;Dominik Ohmer (author) (Search by this author)Vacuumschmelze GmbH & Co. KG, 63412 Hanau, Germany;Matthias Katter (author) (Search by this author)Vacuumschmelze GmbH & Co. KG, 63412 Hanau, Germany;Andreas Thul (author) (Search by this author)Institute of Electrical Machines (IEM), RWTH Aachen University, 52062 Aachen, Germany;Hossein Sepehri Amin (author) (Search by this author)National Institute for Materials Science, Tsukuba 305-0047, JapanOliver 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
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;Jean-Paul Garandet (author) (Search by this author)CEA (French Alternative Energies and Atomic Energy Commission), France;Camille Flament (author) (Search by this author)CEA (French Alternative Energies and Atomic Energy Commission), FranceOlivier 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
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;Patricia de Rango (author) (Search by this author)Univ. Grenoble Alpes, CNRS, Institut Néel, 38000 Grenoble, FranceSorana 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