Title:
AMORPHOUS POWDER AND PREPARATION METHOD THEREFOR
Document Type and Number:
WIPO Patent Application WO/2023/151165
Kind Code:
A1
Abstract:
The present invention provides an amorphous powder which has not been subjected to a coating process, and a preparation method therefor. The surface of the amorphous powder is provided with an anti-rust layer, and the atomic percentages of elements in the amorphous powder are as shown in formula (1): Fe100-a-b-c-d-e-f-gBaPbSicCdCreMnfNbg(1), wherein 74.7≤100-a-b-c-d-e-f-g≤84.8, 8.7≤a≤18.4, 3.0≤b≤4.5, 0.5≤c≤5.0, 0≤d≤4.0, 0≤e≤2.8, 0.1≤f≤0.5, 0≤g≤2.5, and 0.15≤b/(b+c)≤0.35.
Inventors:
ZHANG YU (CN)
PANG JING (CN)
ZHAO HUAN (CN)
CHEN WEN (CN)
WANG GUANLONG (CN)
DU BAOZHI (CN)
PANG JING (CN)
ZHAO HUAN (CN)
CHEN WEN (CN)
WANG GUANLONG (CN)
DU BAOZHI (CN)
Application Number:
PCT/CN2022/084898
Publication Date:
August 17, 2023
Filing Date:
April 01, 2022
Export Citation:
Assignee:
QINGDAO YUNLU ADVANCED MAT TECH CO LTD (CN)
International Classes:
H01F1/153
Foreign References:
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| CN105268981A | 2016-01-27 | |||
| CN101993770A | 2011-03-30 | |||
| CN112435823A | 2021-03-02 | |||
| CN106636982A | 2017-05-10 | |||
| CN105917422A | 2016-08-31 | |||
| CN104217834A | 2014-12-17 | |||
| CN104475742A | 2015-04-01 | |||
| CN111739706A | 2020-10-02 | |||
| CN111471921A | 2020-07-31 | |||
| CN107716935A | 2018-02-23 |
Attorney, Agent or Firm:
E-TONE INTELLECTUAL PROPERTY FIRM (GENERAL PARTNERSHIP) (CN)
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