Title:
METHOD FOR PREPARING THMN12-TYPE MAGNETIC POWDER
Document Type and Number:
WIPO Patent Application WO/2024/048972
Kind Code:
A1
Abstract:
The present invention relates to a method for preparing a ThMn12-type magnetic powder, and a ThMn12-type magnetic powder prepared thereby. Specifically, the present invention relates to: a method for preparing a ThMn12-type magnetic powder with excellent magnetic properties, the method comprising performing heat treatment in a hydrogen atmosphere; and a ThMn12-type magnetic powder prepared thereby.
Inventors:
PARK JI HOON (KR)
CHOI CHUL JIN (KR)
ZHOU TIANHONG (KR)
CHOI CHUL JIN (KR)
ZHOU TIANHONG (KR)
Application Number:
PCT/KR2023/009663
Publication Date:
March 07, 2024
Filing Date:
July 07, 2023
Export Citation:
Assignee:
KOREA INSTITUTE OF MAT SCIENCE (KR)
International Classes:
B22F9/04; B22F1/05; B22F9/08; C22C1/04; H01F1/06; H01F1/20; H01F41/02
Foreign References:
| JPH0774011A | 1995-03-17 | |||
| JPH0565603A | 1993-03-19 | |||
| JPH05315114A | 1993-11-26 |
Other References:
LIM JUNG TAE, QIAN HUI-DONG, PARK JIHOON, KIM JONG-WOO, CHOI CHUL-JIN: "Preparation and Magnetic Properties of Ce-Substituted Fe-rich Compound with ThMn12 Structure", JOURNAL OF THE KOREAN MAGNETICS SOCIETY, KOREAN MAGNETICS SOCIETY, KOREA, vol. 29, no. 2, 30 April 2019 (2019-04-30), Korea , pages 29 - 33, XP093143927, ISSN: 1598-5385, DOI: 10.4283/JKMS.2019.29.2.029
LEE KANG-HYUK, YOO SANG-IM: "Synthesis and Characterization of ThMn 12 -type by nitridation reaction", ABSTRACTS OF INTERNATIONAL SYMPOSIUM ON MAGNETISM AND MAGNETIC MATERIAL 2019, 1 November 2019 (2019-11-01), pages 220 - 220, XP093143928
LEE KANG-HYUK, YOO SANG-IM: "Synthesis and Characterization of ThMn 12 -type by nitridation reaction", ABSTRACTS OF INTERNATIONAL SYMPOSIUM ON MAGNETISM AND MAGNETIC MATERIAL 2019, 1 November 2019 (2019-11-01), pages 220 - 220, XP093143928
Attorney, Agent or Firm:
PCR INTELLECTUAL PROPERTY LAW FIRM (KR)
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