Title:
SAMARIUM-BASED RARE EARTH PERMANENT MAGNET MATERIAL, AND PREPARATION METHOD THEREFOR AND APPLICATION THEREOF
Document Type and Number:
WIPO Patent Application WO/2023/246439
Kind Code:
A1
Abstract:
Disclosed in the present invention are a samarium-based rare earth permanent magnet material, and a preparation method therefor and an application thereof. In the samarium-based rare earth permanent magnet material Sm2FeαCuβVγMoδNε, 11.5≤α≤17.5, 0.1≤β≤0.4, 1.0≤γ≤1.8, 0≤δ≤1.0, and 2.9≤ε≤4.0. According to the samarium-based rare earth permanent magnet material provided by the present application, a good balance of the remanence and the coercivity is promoted by doping with vanadium, copper, and molybdenum and adjusting to an appropriate atomic ratio range, such that the samarium-based rare earth permanent magnet material has excellent comprehensive magnetic performance. The preparation method provided by the present application is simple to operate, low in cost, and suitable for the fields of small and special motors, magnetic sensors, or audio equipment.
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Inventors:
LI YUPING (CN)
SUN YONGYANG (CN)
JIANG YUNTAO (CN)
ZHANG YUNYI (CN)
GUO CHANGZHENG (CN)
SUN YONGYANG (CN)
JIANG YUNTAO (CN)
ZHANG YUNYI (CN)
GUO CHANGZHENG (CN)
Application Number:
PCT/CN2023/097137
Publication Date:
December 28, 2023
Filing Date:
May 30, 2023
Export Citation:
Assignee:
HENGDIAN GROUP DMEGC MAGNETICS CO LTD (CN)
International Classes:
H01F1/059; H01F1/08; H01F41/02
Foreign References:
| CN114974779A | 2022-08-30 | |||
| CN105355354A | 2016-02-24 | |||
| CN109273182A | 2019-01-25 | |||
| CN112992459A | 2021-06-18 | |||
| CN105513733A | 2016-04-20 | |||
| US20020043301A1 | 2002-04-18 | |||
| CN105355354A | 2016-02-24 | |||
| CN108994311A | 2018-12-14 | |||
| CN111403165A | 2020-07-10 |
Attorney, Agent or Firm:
BEYOND ATTORNEYS AT LAW (CN)
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