KR950031910A - 수지자석용 사마리움-철계 영구자석 재료 및 그 제조방법 - Google Patents

수지자석용 사마리움-철계 영구자석 재료 및 그 제조방법 Download PDF

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KR950031910A
KR950031910A KR1019940010203A KR19940010203A KR950031910A KR 950031910 A KR950031910 A KR 950031910A KR 1019940010203 A KR1019940010203 A KR 1019940010203A KR 19940010203 A KR19940010203 A KR 19940010203A KR 950031910 A KR950031910 A KR 950031910A
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South Korea
Prior art keywords
permanent magnet
magnet material
resin magnets
compound
resin
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KR1019940010203A
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English (en)
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KR970005750B1 (ko
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양충진
변갑식
최승덕
박언병
Original Assignee
김만제
포항종합제철 주식회사
신창식
재단법인 산업과학기술연구소
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Priority to KR1019940010203A priority Critical patent/KR970005750B1/ko
Publication of KR950031910A publication Critical patent/KR950031910A/ko
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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
    • 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
    • H01F1/059—Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5 and Va elements, e.g. Sm2Fe17N2
    • 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
    • H01F1/42—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of organic or organo-metallic materials, e.g. graphene
    • 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
    • H01F1/44—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of magnetic liquids, e.g. ferrofluids
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F41/00—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties
    • H01F41/02—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets
    • H01F41/0253—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets for manufacturing permanent magnets

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

Abstract

본 발명은 경제성을 고려하여 저렴한 원료비가 소요되는 Sm-Fe계 희토류 화합물 영구자석 재료를 근간으로 하되, 조성을 변화시키고 자기특성이 우수하도록 조직을 변형시키므로서, 자기특성이 실용화에 문제가 없는 수지자석용 Sm-Fe계 영구자석 및 그 제조방법을 제공하고자 하는 데 그 목적이 있다.
본 발명은 수지자석용 영구자석 재료에 있어서, SmFe7+xMx화합물 조정식을 갖고, M은 Mo, V, Nb및 Ti중에서 선택된 1종 또는 2종 이상이며, X는 0.2-2.0의 조성범위로 이루어짐을 특징으로 하는 수지자석용 Sm-Fe계 영구자석 재료 및 상기 조성을 갖는 화합물을 진공용해한 후, 10-10℃/초의 냉각속도로 급냉시키는 수지자석용 Sm-Fe계 영구자석 재료의 제조방법을 그 요지로 한다.

Description

수지자석용 사마리움-철계 영구자석 재료 및 그 제조방법
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음

Claims (5)

  1. 수지자석용 영구자석 재료에 있어서, SmFe7+XMX화합물 조정식을 갖고, M은 Mo,V, Nb 및 Ti중에서 선택된 1종 또는 2종 이상이며, X는 0.2-2.0의 조성범위로 이루어짐을 특징으로 하는 수지자석용 Sm-Fe계 영구자석 재료.
  2. 제1항에 있어서, 상기 X가 0.8-1.5의 조성범위로 이루어짐을 특징으로 하는 수지자석용 Sm-Fe계 영구 자석 재료.
  3. 제1항 또는 제2항에 있어서, 상기 화합물이 Sm(Fe,M)7주자성상, Sm(Fe,M)2약자성장, Fe3M 상 및 α-Fe의 복합상 구조를 갖는 것을 특징으로 하는 수지자석용 Sm-Fe계 영구자석 재료.
  4. 제3항에 있어서, 주자성상의 결정입도가 0.2-2.0μm임을 특징으로 하는 수지자석용 Sm-Fe 계 영구자석 재료.
  5. 수지자석용 영구자석 재료의 제조방법에 있어서, SmFe7+xMx화합물 조정식을 갖고, M은 Mo,V,Nb 및 Ti 중에서 선택된 1종 또는 2종 이상이며, X는 0.2-2.0의 조성범위로 이루어진 모재를 진공용해한 후, 105-106℃/초의 냉각속도로 급냉시키는 것을 특징으로 하는 수지자석용 Sm-Fe 계 영구자석 재료의 제조방법
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019940010203A 1994-05-10 1994-05-10 수지자석용 사마리움-철계 영구자석 재료 및 그 제조방법 KR970005750B1 (ko)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019940010203A KR970005750B1 (ko) 1994-05-10 1994-05-10 수지자석용 사마리움-철계 영구자석 재료 및 그 제조방법

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019940010203A KR970005750B1 (ko) 1994-05-10 1994-05-10 수지자석용 사마리움-철계 영구자석 재료 및 그 제조방법

Publications (2)

Publication Number Publication Date
KR950031910A true KR950031910A (ko) 1995-12-20
KR970005750B1 KR970005750B1 (ko) 1997-04-19

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KR1019940010203A KR970005750B1 (ko) 1994-05-10 1994-05-10 수지자석용 사마리움-철계 영구자석 재료 및 그 제조방법

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