KR920701999A - 내식성 희토류-천이금속계 자석 및 그 제조 방법 - Google Patents

내식성 희토류-천이금속계 자석 및 그 제조 방법

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Publication number
KR920701999A
KR920701999A KR1019910700606A KR910700606A KR920701999A KR 920701999 A KR920701999 A KR 920701999A KR 1019910700606 A KR1019910700606 A KR 1019910700606A KR 910700606 A KR910700606 A KR 910700606A KR 920701999 A KR920701999 A KR 920701999A
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KR
South Korea
Prior art keywords
intermetallic compound
corrosion
compound phase
transition metal
rare earth
Prior art date
Application number
KR1019910700606A
Other languages
English (en)
Other versions
KR960013029B1 (ko
Inventor
유끼꼬 오자끼
마이 미찌오 시모또
야스따가 후꾸다
아끼라 후지따
요고 기따노
쥰이찌 시모무라
Original Assignee
도오 사끼 시노부
가와사끼 세이데쯔 가부시끼가이샤
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Application filed by 도오 사끼 시노부, 가와사끼 세이데쯔 가부시끼가이샤 filed Critical 도오 사끼 시노부
Publication of KR920701999A publication Critical patent/KR920701999A/ko
Application granted granted Critical
Publication of KR960013029B1 publication Critical patent/KR960013029B1/ko

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Classifications

    • 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
    • H01F1/01—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials
    • H01F1/03—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity
    • H01F1/032—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of hard-magnetic materials
    • H01F1/04—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of hard-magnetic materials metals or alloys
    • H01F1/047—Alloys characterised by their composition
    • H01F1/053—Alloys characterised by their composition containing rare earth metals
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C1/00—Making non-ferrous alloys
    • C22C1/04—Making non-ferrous alloys by powder metallurgy
    • C22C1/0433—Nickel- or cobalt-based alloys
    • C22C1/0441—Alloys based on intermetallic compounds of the type rare earth - Co, Ni
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C19/00—Alloys based on nickel or cobalt
    • C22C19/07—Alloys based on nickel or cobalt based on cobalt
    • 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
    • H01F1/01—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials
    • H01F1/03—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity
    • H01F1/032—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of hard-magnetic materials
    • H01F1/04—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of hard-magnetic materials metals or alloys
    • H01F1/047—Alloys characterised by their composition
    • H01F1/053—Alloys characterised by their composition containing rare earth metals
    • H01F1/055—Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5
    • H01F1/057—Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5 and IIIa elements, e.g. Nd2Fe14B
    • H01F1/0571—Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5 and IIIa elements, e.g. Nd2Fe14B in the form of particles, e.g. rapid quenched powders or ribbon flakes
    • H01F1/0575—Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5 and IIIa elements, e.g. Nd2Fe14B in the form of particles, e.g. rapid quenched powders or ribbon flakes pressed, sintered or bonded together
    • H01F1/0577—Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5 and IIIa elements, e.g. Nd2Fe14B in the form of particles, e.g. rapid quenched powders or ribbon flakes pressed, sintered or bonded together sintered

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Hard Magnetic Materials (AREA)
  • Powder Metallurgy (AREA)
  • Manufacturing Cores, Coils, And Magnets (AREA)

Abstract

내용 없음

Description

내식성 희토류-천이금속계 자석 및 그 제조 방법
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제1도는 Nd-Fe-B 3원 상태도, 제2도는 Nd-Co-B 3원 상태도이다.

Claims (4)

  1. RE : 10at% 이상, 25at% 이하, 여기서 RE : Y, Sc 및 랜더노이드 중에서 선택된 1종류 또는 2종 이상 B : 2at% 이상, 20at% 이하를 포함하고 나머지 부는 실질적으로 TM(단 TM은 Fe, Co 및 Ni 중에서 선택된 1종류 또는 2종류이상)으로 이루어진 영구자석 합금이고 그 조직이 Nd2Fe14B구조를 가진 RE2TM14B(여기서 TM은 상기와 같음)인 조성의 상과 이 상보다도 융점이 낮고 RE-TM계 금속간 화합물상(단, TM은 Ni와 Fe, Co중에서 선택된 적어도 1종류와의 혼합물) 혹은 RE-TM계 공정조직(여기서 TM은 상기와 같음) 및/또는 RE-TM-B계 금속간화합물상 (여기서 TM은 상기와 같음)으로 구성되어 있는 것을 특징으로 하는 내식성회토류-천이금속계 영구자석.
  2. 제1항에 있어서, RE-TM 계 및 RE-TM-B계 저융점상에서의 TM을 점하는 Ni및/또는 Co의 비유을 Nd2Fe14B계 상에서의 그것보다도 높게되는 것을 특징으로하는 내식성 희토류-천이금속계 영구자석.
  3. Nd2Fe14B계 금속간 화합물상(단 TM은 Fe, Co 및 Ni 중에서 선택된 1종류 또는 2종류이상)을 주체로 하는 분말과, 이 분말 보다도 융점이 낮은 RE-TM계 금속간 화합물상(단TM은 Ni 또는 Ni와 FE, Co중에서 선택된 적어도 1종류와의 혼합물)혹은 RE-TM계 공정조직(여기서 TM은 상기와 같음) 및/또는 RE-TM-B계 금속간 화합물상(여기서 TM은 상기와 같음)을 주체로 하는 분말과의 혼합분말을 압축성형한 후, 소결하는 것으로 이루어진 것을 특징으로 한는 제1항에 따른 내식성 희토류-천이금속계 자석의 제조방법.
  4. Nd2Fe14B계 금속간 화합물상(단 TM은 Fe, Co 및 Ni 중에서 선택된 1종류 또는 2종류이상)을 주체로 하는 분말과, 이 분말 보다도 융점이 낮은 RE-TM계 금속간 화합물상(단TM은 Ni 또는 Ni와 FE, Co중에서 선택된 적어도 1종류와의 혼합물)혹은 RE-TM계 공정조직(여기서 TM은 상기와 같음) 및/또는 RE-TM-B계 금속간 화합물상(여기서 TM은 상기와 같음)을 주체로 하는 분말과의 혼합분말을 압축성형한 후, 소결하는 것으로 이루어진 것을 특징으로 한는 제2항에 따른 내식성 희토류-천이금속계 자석의 제조방법.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019910700606A 1989-10-12 1990-10-11 내식성 희토류-천이금속계 자석 및 그 제조방법 KR960013029B1 (ko)

Applications Claiming Priority (7)

Application Number Priority Date Filing Date Title
JP??1-263946 1989-10-12
JP26394689 1989-10-12
JP33502889 1989-12-26
JP??1-335028 1989-12-26
JP2269635A JP2675430B2 (ja) 1989-10-12 1990-10-09 耐蝕性希土類―遷移金属系磁石およびその製造方法
JP??2-269635 1990-10-09
PCT/JP1990/001315 WO1991006107A1 (fr) 1989-10-12 1990-10-11 Aimant en metal de transition de terres rares resistant a la corrosion et procede de production de cet aimant

Publications (2)

Publication Number Publication Date
KR920701999A true KR920701999A (ko) 1992-08-12
KR960013029B1 KR960013029B1 (ko) 1996-09-25

Family

ID=27335262

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019910700606A KR960013029B1 (ko) 1989-10-12 1990-10-11 내식성 희토류-천이금속계 자석 및 그 제조방법

Country Status (6)

Country Link
EP (1) EP0447567B1 (ko)
JP (1) JP2675430B2 (ko)
KR (1) KR960013029B1 (ko)
CA (1) CA2044171C (ko)
DE (1) DE69027201T2 (ko)
WO (1) WO1991006107A1 (ko)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0517179B1 (en) * 1991-06-04 1995-05-17 Shin-Etsu Chemical Co., Ltd. Method of making two phase Rare Earth permanent magnets
US5405455A (en) * 1991-06-04 1995-04-11 Shin-Etsu Chemical Co. Ltd. Rare earth-based permanent magnet
JP2782024B2 (ja) * 1992-01-29 1998-07-30 住友特殊金属株式会社 Ｒ−Ｆｅ−Ｂ系永久磁石用原料粉末の製造方法
US5387291A (en) * 1992-03-19 1995-02-07 Sumitomo Special Metals Co., Ltd. Process for producing alloy powder material for R-Fe-B permanent magnets and alloy powder for adjusting the composition therefor
EP0583041B1 (en) * 1992-08-13 1997-02-05 Koninklijke Philips Electronics N.V. Method of manufacturing a permanent magnet on the basis of NdFeB
CN1044940C (zh) * 1992-08-13 1999-09-01 Ybm麦格奈克斯公司 基于钕铁硼的生产永久磁铁的方法
US5482575A (en) * 1992-12-08 1996-01-09 Ugimag Sa Fe-Re-B type magnetic powder, sintered magnets and preparation method thereof
US7485193B2 (en) 2004-06-22 2009-02-03 Shin-Etsu Chemical Co., Ltd R-FE-B based rare earth permanent magnet material

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3783413T2 (de) * 1986-09-16 1993-05-27 Tokin Corp Verfahren zur herstellung eines seltenerd-eisen-bor-dauermagneten mit hilfe eines abgeschreckten legierungspuders.
JP2700643B2 (ja) * 1987-04-11 1998-01-21 株式会社トーキン 耐酸化性に優れた希土類永久磁石の製造方法
JPH0621324B2 (ja) * 1986-10-04 1994-03-23 信越化学工業株式会社 希土類永久磁石合金用組成物
JPS63127505A (ja) * 1986-11-17 1988-05-31 Taiyo Yuden Co Ltd 磁石及びその製造方法
JPH063763B2 (ja) * 1986-12-26 1994-01-12 信越化学工業株式会社 希土類永久磁石の製造方法
JP2948223B2 (ja) * 1987-03-31 1999-09-13 住友特殊金属 株式会社 耐食性のすぐれた高性能永久磁石及びその製造方法
US5015307A (en) * 1987-10-08 1991-05-14 Kawasaki Steel Corporation Corrosion resistant rare earth metal magnet

Also Published As

Publication number Publication date
CA2044171A1 (en) 1991-04-13
EP0447567A1 (en) 1991-09-25
DE69027201T2 (de) 1996-10-10
JP2675430B2 (ja) 1997-11-12
EP0447567B1 (en) 1996-05-29
EP0447567A4 (en) 1992-05-20
KR960013029B1 (ko) 1996-09-25
WO1991006107A1 (fr) 1991-05-02
JPH03250607A (ja) 1991-11-08
CA2044171C (en) 2000-12-12
DE69027201D1 (de) 1996-07-04

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