KR960019348A - α-Fe group RE-Fe-B ultrafine grain alloy magnetic material, method for producing the same and use thereof - Google Patents

α-Fe group RE-Fe-B ultrafine grain alloy magnetic material, method for producing the same and use thereof Download PDF

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KR960019348A
KR960019348A KR1019950040235A KR19950040235A KR960019348A KR 960019348 A KR960019348 A KR 960019348A KR 1019950040235 A KR1019950040235 A KR 1019950040235A KR 19950040235 A KR19950040235 A KR 19950040235A KR 960019348 A KR960019348 A KR 960019348A
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phase
magnetic material
alloy magnetic
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KR1019950040235A
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KR0168495B1 (en
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조용수
김윤배
김창석
김택기
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정명세
재단법인 한국표준과학연구원
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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F1/00—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P10/00—Technologies related to metal processing
    • Y02P10/20—Recycling

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Hard Magnetic Materials (AREA)
  • Continuous Casting (AREA)
  • Soft Magnetic Materials (AREA)

Abstract

본 발명은 고성능 회토류 합금 자성체에 관한 것이다.The present invention relates to a high performance rare earth alloy magnetic material.

본 발명의 α-Fe기 RE-Fe-b 초미세 결정립 합금 자성체는 체심입방격자 구조를 갖는 연자성상을 주상(主相)으로 하고, 정방정 구조를 갖는 경자성상이 소량 부가된 합금으로서 주상(主相)으로 하고, 정방성 구조를 갖는 경자성상이 소량 부가된 합금으로서 RExFeyCozBuMvCuw의 조성을 가지는데, 상기에서 M은 고융점 원소인 Nb, Mo, V, W 또는 Ta중 어느 하나 또는 2이상의 원소이며 x=5at% 이하, y=90at% 이하, z=25at% 이하, u=15at% 이하, v=5at% 이하 및 w=5at% 이하로 되는 것이 바람직하다.The α-Fe group RE-Fe-b ultrafine grain alloy magnetic material of the present invention has a soft magnetic phase having a body-centered cubic lattice structure as a main phase, and a small amount of hard magnetic phase having a tetragonal structure is added as a main phase ( And a composition of RE x Fe y Co z B u M v Cu w as a minor addition of a hard magnetic phase having a tetragonal structure, wherein M is a high melting point element Nb, Mo, V, At least one of W or Ta or two or more elements, and x = 5at% or less, y = 90at% or less, z = 25at% or less, u = 15at% or less, v = 5at% or less and w = 5at% or less Do.

본 발명의 합금 자성체는 등방성 본드 자석, 고밀도 자기 기록 매체 및 광대역 초고주파 전파 흡수체에 응용할 수 있다.The alloy magnetic material of the present invention can be applied to isotropic bond magnets, high density magnetic recording media, and broadband ultra-high frequency wave absorbers.

본 발명에 따른 합금 자성체는 기존의 Fe3B기 저 회토류 함유 자석에 비하여 자기 특성이 개선되고 경제성이 제고되는 효과가 있다.The alloy magnetic material according to the present invention has an effect that the magnetic properties are improved and the economical efficiency is improved as compared with the existing Fe 3 B-based low earth-containing magnet.

Description

α-Fe기 RE-Fe-B 초미세 결정립 합금 자성체, 그의 제조방법 및 그의 이용α-Fe group RE-Fe-B ultrafine grain alloy magnetic material, method for producing the same and use thereof

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음As this is a public information case, the full text was not included.

Claims (9)

고성능 회토류 합금 자성체에 있어서, 임방정계의 체심입방격자 구조를 갖는 연자성상을 주상(主相)으로 하고, 정방성계의 구조를 갖는 경자성상이 소량 부가된 합금으로서 RExFeyCozBuMvCuw의 조성을 가지며, 상기에서 RE(Rare Earth)는 회토류 원소로서, Ce, Pr, Nd, Sm, Eu, Gd, Tb, Dy, Ao, Er, Tm, Yb, Lu, Y중 어느 하나 또는 둘 이상의 조합을 나타내며, M은 고융점 원소인 Nb, Mo, V, W 또는 Ta중 어느 하나 또는 2이상의 원소이며 x=5at% 이하, y=90at% 이하, z=25at% 이하, u=15at% 이하, v=5at% 이하 및 w=5at% 이하로 되는 것을 특징으로 하는 α-Fe기 RE-Fe-B 초미세 결정립 합금 자성체.In the high-performance rare earth alloy magnetic material, a soft magnetic phase having a body-centered cubic lattice structure of an tetragonal system as a main phase, and a small amount of hard magnetic phase having a tetragonal structure is added as RE x Fe y Co z B u. It has a composition of M v Cu w , wherein RE (Rare Earth) is a rare earth element, Ce, Pr, Nd, Sm, Eu, Gd, Tb, Dy, Ao, Er, Tm, Yb, Lu, Y One or a combination of two or more, and M is any one or two or more of Nb, Mo, V, W or Ta, which are high melting points, and x = 5at% or less, y = 90at% or less, z = 25at% or less, u ? -Fe group RE-Fe-B ultrafine grained alloy magnetic material, characterized in that: = 15 at% or less, v = 5 at% or less, and w = 5 at% or less. 제1항에 있어서, 상기 연자성상이 α-Fe 또는 Fe중 일부를 Co로 치환한 α-(Fe,Co)이고, 경자성상은 RE2Fe14B 또는 RE2(Fe,Co)14B인 것을 특징으로 하는 상기 α-Fe기 RE-Fe-B 초미세 결정립 합금 자성체.The method of claim 1, wherein the soft magnetic phase is α- (Fe, Co) substituted a portion of α-Fe or Fe with Co, the light magnetic phase is RE 2 Fe 14 B or RE 2 (Fe, Co) 14 B The α-Fe group RE-Fe-B ultrafine grain alloy magnetic material, characterized in that. 제2항에 있어서, 상기 Co치환 비율이 Co/Fe=1/4이하로 되는 것을 특징으로 하는 상기 α-Fe기 RE-Fe-B 초미세 결정립 합금 자성체.3. The α-Fe group RE-Fe-B ultrafine grain alloy magnetic material according to claim 2, wherein the Co substitution ratio is Co / Fe = 1/4 or less. 제1항의 원소 조성을 가지는 합금을 설계한 후 용융시켜 금속 웅고법 중 단롤법을 이용하여 불활성 기체 분위기하에서 비정질상으로 제조한 후 500 내지 800℃에서 열처리함으로써 α-Fe 또는 상기 α-Fe중 일부를 Co로 치환한 α-Fe(Co)의 연자성 기자상과 소량의 RE2Fe14B 또는 RE2(Fe,Co)14B인 경자성상을 갖도록 한 것을 특징으로 하는 상기 α-Fe기 RE-Fe-B 초미세 결정립 합금 자성체의 제조방법.After the alloy having the elemental composition of claim 1 is designed and melted to prepare an amorphous phase in an inert gas atmosphere using a single roll method in the metal unfolding method, and heat-treated at 500 to 800 ℃ by heating a portion of α-Fe or α-Fe Co The α-Fe group RE-Fe- characterized in that it has a soft magnetic report phase of α-Fe (Co) substituted with a small amount of hard magnetic phase of RE 2 Fe 14 B or RE 2 (Fe, Co) 14 B. B Ultrafine Grain Alloy Magnetic Preparation Method. 제4항에 있어서, 상기 연자성상이 α-Fe 또는 상기 α-Fe중 일부를 Co로 치환한 α-Fe(Co)이고, 경자성상은 RE2Fe14B 또는 RE2(Fe,Co)14B인 것을 특징으로 하는 α-Fe기 RE-Fe-B 초미세 결정립 합금 자성체의 제조방법.The method of claim 4, wherein the soft magnetic phase is α-Fe or α-Fe (Co) in which a part of the α-Fe is substituted with Co, and the hard magnetic phase is RE 2 Fe 14 B or RE 2 (Fe, Co) 14. B is a manufacturing method of the α-Fe group RE-Fe-B ultrafine grain alloy magnetic material. 제5항에 있어서, 상기 Co치환 비율이 Co/Fe=1/4이하로 되는 것을 특징으로 하는 상기 α-Fe기 RE-Fe-B 초미세 결정립 합금 자성체의 제조방법.The method of manufacturing the α-Fe group RE-Fe-B ultrafine grain alloy magnetic substance according to claim 5, wherein the Co substitution ratio is set to Co / Fe = 1/4 or less. 제1항의 합금 자성체와 고무 또는 플라스틱 물질과를 혼합하여 제조되는 영구 자석.A permanent magnet prepared by mixing the alloy magnetic material of claim 1 with a rubber or plastic material. 제1항의 합금 자성체를 이용한 자기 기록 매체.Magnetic recording medium using the alloy magnetic material of claim 1. 제1항의 합금 자성체를 이용한 광대역 전파흡수체.Broadband wave absorber using the alloy magnetic material of claim 1. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019950040235A 1994-11-12 1995-11-08 Ñß-FE BASE RE-FE-B NM CRYSTAL ALLOY AND ITS PRODUCING METHOD AND USE KR0168495B1 (en)

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KR94-29717 1994-11-12
KR19940029717 1994-11-12
KR1019950040235A KR0168495B1 (en) 1994-11-12 1995-11-08 Ñß-FE BASE RE-FE-B NM CRYSTAL ALLOY AND ITS PRODUCING METHOD AND USE

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TW503409B (en) * 2000-05-29 2002-09-21 Daido Steel Co Ltd Isotropic powdery magnet material, process for preparing and resin-bonded magnet
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KR100763496B1 (en) * 2006-05-02 2007-10-04 학교법인연세대학교 Two-phase metallic glasses with multi-pass deformation properties
CN103741008B (en) * 2013-12-27 2016-05-11 青岛云路先进材料技术有限公司 A kind of preparation method of iron-base nanometer crystal alloy
CN103730227B (en) * 2014-01-28 2016-04-27 成都银河磁体股份有限公司 A kind of nano biphase isotropic composite permanent magnet and preparation method thereof

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