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The electrical resistivities of anisotropic Nd-Fe-B-based magnets were successfully increased in both parallel and perpendicular directions to the c-axis by hot-deforming Nd-Fe-B melt-spun flakes that were coated with DyF3 using electrophoretic deposition. This study demonstrates an alternative way to solve the thermal demagnetization problem of Nd-Fe-B-based permanent magnets during operation in electric motors via the resistivity increase of the magnet.

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• Creative Commons BY-NC-ND Attribution-NonCommercial-NoDerivs 4.0 International
  © 2023. This manuscript version is made available under the CC-BY-NC-ND 4.0 license https://creativecommons.org/licenses/by-nc-nd/4.0/

Keyword: Permanent magnets , Nd-Fe-B , Electrical resistivity, Microstructure

Date published: 2023-01-13

Publisher: Elsevier BV

Journal:

• Journal of Alloys and Compounds (ISSN: 09258388) vol. 942 168855

Funding:

Manuscript type: Author's version (Accepted manuscript)

MDR DOI: https://doi.org/10.48505/nims.4773

First published URL: https://doi.org/10.1016/j.jallcom.2023.168855

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Updated at: 2024-09-26 12:30:12 +0900

Published on MDR: 2024-09-26 12:30:12 +0900