KR870003520A - Permanent magnet - Google Patents

Permanent magnet Download PDF

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Publication number
KR870003520A
KR870003520A KR1019860007614A KR860007614A KR870003520A KR 870003520 A KR870003520 A KR 870003520A KR 1019860007614 A KR1019860007614 A KR 1019860007614A KR 860007614 A KR860007614 A KR 860007614A KR 870003520 A KR870003520 A KR 870003520A
Authority
KR
South Korea
Prior art keywords
permanent magnet
weight
magnet according
mainly composed
iron
Prior art date
Application number
KR1019860007614A
Other languages
Korean (ko)
Other versions
KR900000427B1 (en
Inventor
데쯔히코 미조구찌
이사오 사까이
히로미 니우
고오이찌로오 이노마따
Original Assignee
와다리 스기이찌로오
가부시끼가이샤 도시바
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.)
Filing date
Publication date
Priority claimed from JP60198530A external-priority patent/JPS6260207A/en
Priority claimed from JP61048657A external-priority patent/JP2537189B2/en
Application filed by 와다리 스기이찌로오, 가부시끼가이샤 도시바 filed Critical 와다리 스기이찌로오
Publication of KR870003520A publication Critical patent/KR870003520A/en
Application granted granted Critical
Publication of KR900000427B1 publication Critical patent/KR900000427B1/en

Links

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
    • H01F1/06—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 in the form of particles, e.g. powder
    • H01F1/08—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 in the form of particles, e.g. powder pressed, sintered, or bound together
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Hard Magnetic Materials (AREA)

Abstract

내용 없음No content

Description

영구자석Permanent magnet

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음Since this is an open matter, no full text was included.

Claims (5)

철을 주성분으로 하여, R(이트륨을 함유한 희토류 원소), 코발트 및 붕소를 함유하는 합금의 소결체로서, 정방정계의 강자성 Fe리치상을 주체로 하여 비자성의 라베스상을 함유하는 것을 특징으로 하는 영구자석.A sintered body of an alloy containing R (a rare earth element containing yttrium), cobalt, and boron, mainly composed of iron, and containing a nonmagnetic Laves phase mainly composed of a tetragonal ferromagnetic Fe rich phase. Permanent magnet. 제1항에 있어서, 전술한 라베스상의 비율이 2-10 vol%인 것을 특징으로 하는 영구자석.The permanent magnet according to claim 1, wherein the ratio of the Laves phase is 2-10 vol%. 제1항에 있어서, R 10-40 중량%, B 0.1-8중량%, Co 1-23중량%, 나머지 부분은 실질적으로 철인 조성계로 된 것을 특징으로 하는 영구자석.The permanent magnet according to claim 1, wherein R 10-40% by weight, B 0.1-8% by weight, Co 1-23% by weight, and the remaining part are made of a composition system which is substantially iron. 제3항에 있어서, 재차 Al이나 Ga을 0.1-5중량% 함유하는 것을 특징으로 하는 영구자석.4. A permanent magnet according to claim 3, which contains 0.1-5% by weight of Al or Ga again. 제3항에 있어서, B가 0.8-0.95중량%인 것을 특징으로 하는 영구자석.4. A permanent magnet according to claim 3, wherein B is 0.8-0.95 wt%. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019860007614A 1985-09-10 1986-09-09 Permanent magnet KR900000427B1 (en)

Applications Claiming Priority (9)

Application Number Priority Date Filing Date Title
JP60198530A JPS6260207A (en) 1985-09-10 1985-09-10 Permanent magnet
JP60-198530 1985-09-10
JP198530 1985-09-10
JP237494 1985-10-25
JP23749485 1985-10-25
JP60-237494 1985-10-25
JP48657 1986-03-07
JP61048657A JP2537189B2 (en) 1985-10-25 1986-03-07 permanent magnet
JP61-048657 1986-03-07

Publications (2)

Publication Number Publication Date
KR870003520A true KR870003520A (en) 1987-04-18
KR900000427B1 KR900000427B1 (en) 1990-01-30

Family

ID=68839253

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019860007614A KR900000427B1 (en) 1985-09-10 1986-09-09 Permanent magnet

Country Status (1)

Country Link
KR (1) KR900000427B1 (en)

Also Published As

Publication number Publication date
KR900000427B1 (en) 1990-01-30

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