How Extrinsic Is the Coercivity in NdFeB Bonded Magnets?

Reference : How Extrinsic Is the Coercivity in NdFeB Bonded Magnets?


	Document type :	Scientific journals : Article
	Discipline(s) :	Engineering, computing & technology : Materials science & engineering
	To cite this reference:	http://hdl.handle.net/10993/14511

Title :	How Extrinsic Is the Coercivity in NdFeB Bonded Magnets?
Language :	English
Author, co-author :	Perigo, Elio Alberto [University of Luxembourg > Faculty of Science, Technology and Communication (FSTC) > Physics and Materials Science Research Unit >]
	Cruz, Israel Aparecido [Institute for Technological Research (IPT)]
	Antunes, Bruno [Institute for Technological Research (IPT)]
	Braga, Ana Paola [Institute for Technological Research (IPT)]
	Landgraf, Fernando [Institute for Technological Research (IPT)]
Publication date :	2013
Journal title :	IEEE Transactions on Magnetics
Publisher :	IEEE
Volume :	49
Issue/season :	9
Pages :	5043-5047
Peer reviewed :	Yes (verified by ORBi^lu)
Audience :	International
ISSN :	0018-9464
City :	Piscataway
Country :	NJ
Keywords :	[en] coercivity ; magnetic materials ; pressing
Abstract :	[en] The influence of the densification step, performed by uniaxial pressing at room temperature, on the coercivity of NdFeB bonded magnets has been analyzed. The mass density does not play any role on of non-cured magnets prepared by the mentioned method. Due to the brittle and intergranular character of the Nd Fe B-based phase fracture, the nano-sized grains are not affected or the modification is negligible, which maintains unchanged. After curing, the intrinsic coercivity of themagnets is reduced as a function of the compaction pressure increase.
Permalink :	http://hdl.handle.net/10993/14511
DOI :	10.1109/TMAG.2013.2253788

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