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Anisotropic hot deformed magnets prepared from Zn-coated MRE-Fe-B ribbon powder (MRE = Nd plus Y plus Dy)

TitleAnisotropic hot deformed magnets prepared from Zn-coated MRE-Fe-B ribbon powder (MRE = Nd plus Y plus Dy)
Publication TypeJournal Article
Year of Publication2014
AuthorsTang, W, Zhou, L, Sun, KW, Dennis, KW, Kramer, MJ, Anderson, IE, McCallum, RW
JournalJournal of Applied Physics
Volume115
Pagination17a725
Date Published05
Type of ArticleArticle
ISBN Number0021-8979
Accession NumberWOS:000335643700099
Keywordscoercivity, permanent-magnets
Abstract

un-coated alloy magnet. An optimized VHD magnet with 0.5 wt.% Zn coating obtains a coercivity of 11.2 kOe and (BH)(max) of 23.0 MGOe, respectively. SEM and TEM microstructures analysis demonstrates that the Zn coating on the surface of ribbon powder has diffused along the intergranular boundaries after the ribbon powder was annealed at 750 degrees C for 30 min or was hot deformed at 700-750 degrees C. (C) 2014 AIP Publishing LLC.

DOI10.1063/1.4866086
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Bonded Magnets