NDLI: Microstructure and Magnetic Properties of SmCo-Based Nanocrystalline Magnets Doped With Cr<sub>3</sub>C<sub>2</sub>

Content Provider	IEEE Xplore Digital Library
Author	Liya Li Yicheng Ge Aru Yan Jianhong Yi Yinli Sun Hui Deng
Copyright Year	1965
Abstract	The effect of wheel speed as well as an additive Cr₃C₂ on the structure, crystalline texture, and magnetic properties of SmCo-based nanocrystalline magnets has been investigated. A low wheel speed of melt spinning of SmCo_4.8(Cr₃C₂)_0.2 promotes the formation of the Crand C-contained SmCo₇ main phase with a (0001) out-of-plane texture, an average grain size of 38-60 nm, and a smooth M-H loop with sound rectangularity. On the other hand, for SmCo_4.8(Cr₃C₂)_0.2 alloys, Hci significantly enhances from 28.1 to 36.6 kOe and Mr increases from 23.2 to 28.0 emu/g with an increasing wheel speed from 30 to 50 m/s. A high wheel speed of 50 m/s in SmCo_4.8(Cr₃C₂)_0.2 contributes to the formation of dendrite SmCo₅ grains with the short axis of about 20-50 nm and the long axis ranging from 100 nanometers to about 1 micrometer. An obviously preferential orientation along the (0001) direction in SmCo₅ grains is observed, which could be confirmed by the transmission electron microscope analysis and anisotropic magnetic behavior. The addition of Cr₃C₂ gives a hint toward the direction of texturing in SmCo-based magnets melt spun at high wheel speeds.
Sponsorship	IEEE Magnetics Society
Starting Page	1
Ending Page	3
Page Count	3
File Size	2501091
File Format	PDF
ISSN	00189464
Volume Number	51
Issue Number	11
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2015-01-01
Publisher Place	U.S.A.
Access Restriction	One Nation One Subscription (ONOS)
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Wheels Magnetic properties Metals Perpendicular magnetic anisotropy Microstructure Grain size Cr3C2 Nanostructured materials magnetic anisotropy magnetic properties grain size nanostructured materials
Content Type	Text
Resource Type	Article
Subject	Electronic, Optical and Magnetic Materials Electrical and Electronic Engineering

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