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Machine translation
1. (WO2014204106) METHOD FOR MANUFACTURING PERMANENT MAGNET
Latest bibliographic data on file with the International Bureau   

Pub. No.:    WO/2014/204106    International Application No.:    PCT/KR2014/004647
Publication Date: 24.12.2014 International Filing Date: 23.05.2014
IPC:
H01F 41/02 (2006.01)
Applicants: KOREA UNIVERSITY RESEARCH AND BUSINESS FOUNDATION [KR/KR]; 145, Anam-ro, Seongbuk-gu Seoul 136-701 (KR)
Inventors: LEE, Seong-Rae; (KR).
KIM, Tae-Hoon; (KR).
JANG, Tae-Suk; (KR)
Agent: SONG, In-Ho; 5th Floor Donglim Bldg. 38 Gangnam-daero 62-gil Gangnam-gu Seoul 06254 (KR)
Priority Data:
10-2013-0069517 18.06.2013 KR
10-2014-0030533 14.03.2014 KR
Title (EN) METHOD FOR MANUFACTURING PERMANENT MAGNET
(FR) PROCÉDÉ DE FABRICATION D'AIMANT PERMANENT
(KO) 영구 자석의 제조 방법
Abstract: front page image
(EN)The present invention relates to a method for manufacturing an Nd-Fe-B-based permanent magnet having an improved coercive force while reducing the amount of Dy used. A method for manufacturing a permanent magnet according to an embodiment of the present invention may comprise the steps of: manufacturing powder including Nd, Fe, B, and Cu; manufacturing a shaped body by forming a specific magnetic field in the powder; sintering the shaped body at a specific sintering temperature; and subjecting the sintered, shaped body to heat treatment at a heat treatment temperature determined according to the content of Cu.
(FR)La présente invention concerne un procédé de fabrication d'un aimant permanent à base de Nd, Fe, B, présentant une force coercitive améliorée tout en réduisant la quantité de Dy utilisée. Un procédé de fabrication d'un aimant permanent selon un mode de réalisation de la présente invention peut comprendre les étapes consistant à : fabriquer une poudre comprenant Nd, Fe, B, et Cu; fabriquer un corps formé par formation d'un champ magnétique spécifique dans la poudre; fritter le corps formé à une température de frittage spécifique; et soumettre le corps formé fritté à un traitement thermique à une température de traitement thermique déterminée en fonction de la teneur en Cu.
(KO)본 발명은 Dy의 사용량을 저감시키면서도 보자력이 향상된 Nd-Fe-B계 영구 자석을 제조하는 방법에 관한 것이다. 본 발명의 일실시예에 의한 영구 자석의 제조 방법은 Nd, Fe, B 및 Cu를 포함하는 분말을 제조하는 단계; 상기 분말에 특정 자장을 형성하여 성형체를 제조하는 단계; 상기 성형체를 특정 소결 온도에서 소결시키는 단계; 및 상기 소결된 성형체를 Cu의 함량에 따라 결정된 열처리 온도에서 열처리를 수행하는 단계를 포함할 수 있다.
Designated States: AE, AG, AL, AM, AO, AT, AU, AZ, BA, BB, BG, BH, BN, BR, BW, BY, BZ, CA, CH, CL, CN, CO, CR, CU, CZ, DE, DK, DM, DO, DZ, EC, EE, EG, ES, FI, GB, GD, GE, GH, GM, GT, HN, HR, HU, ID, IL, IN, IR, IS, JP, KE, KG, KN, KP, KZ, LA, LC, LK, LR, LS, LT, LU, LY, MA, MD, ME, MG, MK, MN, MW, MX, MY, MZ, NA, NG, NI, NO, NZ, OM, PA, PE, PG, PH, PL, PT, QA, RO, RS, RU, RW, SA, SC, SD, SE, SG, SK, SL, SM, ST, SV, SY, TH, TJ, TM, TN, TR, TT, TZ, UA, UG, US, UZ, VC, VN, ZA, ZM, ZW.
African Regional Intellectual Property Organization (BW, GH, GM, KE, LR, LS, MW, MZ, NA, RW, SD, SL, SZ, TZ, UG, ZM, ZW)
Eurasian Patent Organization (AM, AZ, BY, KG, KZ, RU, TJ, TM)
European Patent Office (AL, AT, BE, BG, CH, CY, CZ, DE, DK, EE, ES, FI, FR, GB, GR, HR, HU, IE, IS, IT, LT, LU, LV, MC, MK, MT, NL, NO, PL, PT, RO, RS, SE, SI, SK, SM, TR)
African Intellectual Property Organization (BF, BJ, CF, CG, CI, CM, GA, GN, GQ, GW, KM, ML, MR, NE, SN, TD, TG).
Publication Language: Korean (KO)
Filing Language: Korean (KO)