NDLI: Study of the coercivity for Nd-Fe-B-Ga sintered magnets

Content Provider	IEEE Xplore Digital Library
Author	Jifan Hu Zhenxi Wang Yizhong Wang Jiangao Zhao Xialei Rao Nanning Zhang
Copyright Year	1965
Abstract	The Ga-composition dependence of the Curie temperature, the anisotropy field, and the coercivity are studied for Nd-Fe-B-Ga sintered magnets. It is shown that a smaller addition of Ga atoms increases not only the Curie temperature but also the coercivity. A rise in coercivity does not result from the change of anisotropy field for Nd/sub 16/Fe/sub 77/B/sub 7-x/Ga/sub x/ sintered magnets. It is also found that the coercivity for a Nd/sub 16/Fe/sub 77/Ga/sub 2/B/sub 5/ magnet, which has lower B content, is controlled by nucleation whereas for the magnet Nd/sub 13.5/Dy/sub 1.5/Fe/sub 75/Al/sub 2/B/sub 8/ (iH/sub c/=18 kOe), two kinds of coercivity mechanisms (pinning and nucleation) coexist.<>
Sponsorship	IEEE Magnetics Society
Starting Page	3429
Ending Page	3430
Page Count	2
File Size	128440
File Format	PDF
ISSN	00189464
Volume Number	25
Issue Number	5
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	1989-09-01
Publisher Place	U.S.A.
Access Restriction	One Nation One Subscription (ONOS)
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Coercive force Magnets Temperature dependence Anisotropic magnetoresistance Powders Artificial intelligence Temperature sensors Heat treatment Argon Atmosphere
Content Type	Text
Resource Type	Article
Subject	Electronic, Optical and Magnetic Materials Electrical and Electronic Engineering

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Study of the coercivity for Nd-Fe-B-Ga sintered magnets

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