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Title:
R-T-B SERIES PERMANENT MAGNET MATERIAL, RAW MATERIAL COMPOSITION, PREPARATION METHOD AND APPLICATION
Document Type and Number:
WIPO Patent Application WO/2021/135141
Kind Code:
A1
Abstract:
An R-T-B series permanent magnet material, a raw material composition, a preparation method and an application. The R-T-B series permanent magnet material comprises the following components: R, B, Ti, Cu, and Ga; R is 29.0-31.5 wt.%, and B is 0.87-0.91 wt.%. R is a rare earth element; R comprises a light rare earth element RL, and RL comprises Nd; Ti, Cu, and Ga satisfy the following relational expression: (1) 0

Inventors:
LAN QIN (CN)
SHI DAWEI (CN)
SHI YAO (CN)
HUANG JIAYING (CN)
Application Number:
PCT/CN2020/100572
Publication Date:
July 08, 2021
Filing Date:
July 07, 2020
Export Citation:
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Assignee:
XIAMEN TUNGSTEN CO LTD (CN)
FUJIAN CHANGTING GOLDEN DRAGON RARE EARTH CO LTD (CN)
International Classes:
H01F1/057; H01F41/02
Domestic Patent References:
WO2012102497A22012-08-02
Foreign References:
CN111091945A2020-05-01
CN110431646A2019-11-08
CN101847487A2010-09-29
CN106710766A2017-05-24
CN110619984A2019-12-27
CN110517838A2019-11-29
Attorney, Agent or Firm:
SHANGHAI JOINT-WIN LAW FIRM (CN)
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