PREPARATION METHOD FOR SR-DOPED MANGANESE-GALLIUM ALLOY AND HIGH COERCIVITY NANOCRYSTALLINE MAGNET THEREOF

Title:

PREPARATION METHOD FOR SR-DOPED MANGANESE-GALLIUM ALLOY AND HIGH COERCIVITY NANOCRYSTALLINE MAGNET THEREOF

Document Type and Number:

WIPO Patent Application WO/2022/077679

Kind Code:

Abstract:

A preparation method for a Sr-doped manganese-gallium alloy and a high coercivity nanocrystalline magnet thereof, belonging to the technical field of non-rare earth magnetic materials. The specific method therefor comprises: firstly, using smelting and heat treatment processes to prepare the tetragonal phase Sr-doped manganese-gallium alloy, the chemical formula thereof being Mnx-yGaSry (1

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Inventors:

LU QINGMEI (CN)
LI HONGFEI (CN)
YUE MING (CN)
ZHANG HONGGUO (CN)
LIU WEIQIANG (CN)
ZHANG DONGTAO (CN)
LI YUQING (CN)
WU QIONG (CN)

Application Number:

PCT/CN2020/127968

Publication Date:

April 21, 2022

Filing Date:

November 11, 2020

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Assignee:

UNIV BEIJING TECHNOLOGY (CN)

International Classes:

C22C22/00; C22C30/00; C22F1/02; C22F1/16; H01F1/047

Domestic Patent References:

WO2018004549A1

2018-01-04

Foreign References:

CN106816253A	2017-06-09
JP2020007578A	2020-01-16
CN108251805A	2018-07-06
CN107622852A	2018-01-23
US20140159177A1	2014-06-12

Attorney, Agent or Firm:

BEIJING SIHAI TIANDA INTELLECTUAL PROPERTY AGENCY LTD. (CN)

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