KR860002840A - 영구 자석합금과 그 제조방법 - Google Patents

영구 자석합금과 그 제조방법 Download PDF

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Publication number
KR860002840A
KR860002840A KR1019850006536A KR850006536A KR860002840A KR 860002840 A KR860002840 A KR 860002840A KR 1019850006536 A KR1019850006536 A KR 1019850006536A KR 850006536 A KR850006536 A KR 850006536A KR 860002840 A KR860002840 A KR 860002840A
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South Korea
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weight
permanent magnet
magnet alloy
amount
cobalt
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KR1019850006536A
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English (en)
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KR900001477B1 (ko
Inventor
테쯔히꼬 미조구찌
코우이찌로우 이노마따
토오루 히구찌
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사바 쇼오이찌
가부시끼 가이샤 도시바
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Priority claimed from JP59191810A external-priority patent/JPS6169945A/ja
Priority claimed from JP60066849A external-priority patent/JPS61227150A/ja
Priority claimed from JP60066848A external-priority patent/JPS61227151A/ja
Application filed by 사바 쇼오이찌, 가부시끼 가이샤 도시바 filed Critical 사바 쇼오이찌
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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
    • 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
    • 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
    • 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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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Hard Magnetic Materials (AREA)

Abstract

내용 없음

Description

영구자석합금과 그 제조방법
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제1도 내지 제3도는 자기 특성을 산소 농도의 함수로 나타낸 그라프이다.

Claims (10)

  1. 적어도 하나의 희토류나 이트륨, 붕소 및 철로 구성된 영구자석합금에 있어서, 이트륨과 희토류로 부터 선택된 적어도 한성분인 R을 10 내지 40중량%함유 하고 붕소(B)를 0.1 내지 8중량% 함유하며 산소(O)를 50 내지 300중량ppm 함유하고 그리고 나머지는 모두 철로 구성되어 있는것을 특징으로 하는 영구자석합금.
  2. 제1항에 있어서, 코발트, 크롬, 알루미늄, 티탄, 지르코륨, 하프늄, 니오붐, 탄탈, 바나듐, 망간, 몰리브데늄 및 텅스텐을 구성하는 그룹으로 부터 선택된 적어도 하나의 원소의 양이 20중량% 보다 많지 않은 것을 특징으로 하는 영구자석합금.
  3. 제2항에 있어서, 코발트의 양이 20중량% 보다 많지 않은 것을 특징으로 하는 영구자석합금.
  4. 제3항에 있어서, 코발트의 양이 5 내지 20중량%인 것을 특징으로 하는 영구자석합금.
  5. 제1항에 있어서, 알루미늄과 티탄중 적어도 하나의 양이 5중량%보다 많지 않은 것을 특징으로 하는 영구자석합금.
  6. 제5항에 있어서, 알루미늄과 티탄중 적어도 하나의 양이 0.2 내지 5중량%인 것
  7. 제1항에 있어서, 알루미늄과 티탄중 적어도 하나의 양이 5중량%보다 많지 않고 그리고 코발트의 양이 20중량%보다 많지 않은 것을 특징으로 하는 영구자석합금.
  8. 제7항에 있어서, 코발트의 양이 5 내지 20중량%이고 그리고 알루미늄과 티탄중 적어도 하나의 양이 0.2 내지 5중량%인 것을 특징으로 하는 영구자석합금.
  9. 원료를 용해시키고, 용해된 원료를 주조시켜 덩어리로 만들며, 상기 덩어리를 평균크기가 2 내지 10㎛정도의 크기로 되도록 가루로 분쇄시키고, 상기 가루에다 자장을 적용시켜 압축시키며, 상기의 압축에 의해 생긴 뭉쳐진 것을 0.5 내지 5시간동안 1,000 내지1,200℃의 온도에서 소결 시키는 단계로 구성되어 있고, 상기 원료가 기본적으로 이트륨과 희토류로부터 선택된 적어도 한 성분인 R을 10 내지 40중량% 함유하고 붕소를 0.1 내지 8중량% 함유하며 산소를 50 내지 300중량ppm 함유하고 그리고 나머지는 모두 철로 구성되어 있는 것을 특징으로 하는 영구자석합금의 제조방법.
  10. 제9항에 있어서, 상기 소결된 덩어리가 1 내지 10시간동안 400 내지 1,100℃의 온도에서 시효 처리되는 것을 특징으로 하는 영구자석합금 방법.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019850006536A 1984-09-14 1985-09-06 영구자석합금과 그 제조방법 KR900001477B1 (ko)

Applications Claiming Priority (8)

Application Number Priority Date Filing Date Title
JP191810 1984-09-14
JP59191810A JPS6169945A (ja) 1984-09-14 1984-09-14 永久磁石合金及び永久磁石の製造方法
JP59-191810 1984-09-14
JP60066849A JPS61227150A (ja) 1985-03-30 1985-03-30 永久磁石合金及び永久磁石の製造方法
JP60066848A JPS61227151A (ja) 1985-03-30 1985-03-30 永久磁石合金及び永久磁石の製造方法
JP60-66848 1985-03-30
JP66848 1985-03-30
JP66849 1985-03-30

Publications (2)

Publication Number Publication Date
KR860002840A true KR860002840A (ko) 1986-04-30
KR900001477B1 KR900001477B1 (ko) 1990-03-12

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ID=27299280

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KR1019850006536A KR900001477B1 (ko) 1984-09-14 1985-09-06 영구자석합금과 그 제조방법

Country Status (4)

Country Link
US (3) US4664724A (ko)
EP (1) EP0175214B2 (ko)
KR (1) KR900001477B1 (ko)
DE (1) DE3577618D1 (ko)

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EP0288637B1 (en) * 1987-04-30 1994-08-10 Seiko Epson Corporation Permanent magnet and method of making the same
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FR2686730B1 (fr) * 1992-01-23 1994-11-04 Aimants Ugimag Sa Methode de reglage de l'induction remanente d'un aimant fritte et produit ainsi obtenu.
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Also Published As

Publication number Publication date
DE3577618D1 (de) 1990-06-13
EP0175214A3 (en) 1987-05-13
EP0175214B1 (en) 1990-05-09
US4664724A (en) 1987-05-12
US4793874A (en) 1988-12-27
KR900001477B1 (ko) 1990-03-12
US4878964A (en) 1989-11-07
EP0175214A2 (en) 1986-03-26
EP0175214B2 (en) 1993-12-29

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