KR960002381A - Method for manufacturing samarium-iron permanent magnet material for sintered magnet - Google Patents

Method for manufacturing samarium-iron permanent magnet material for sintered magnet Download PDF

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Publication number
KR960002381A
KR960002381A KR1019940012621A KR19940012621A KR960002381A KR 960002381 A KR960002381 A KR 960002381A KR 1019940012621 A KR1019940012621 A KR 1019940012621A KR 19940012621 A KR19940012621 A KR 19940012621A KR 960002381 A KR960002381 A KR 960002381A
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KR
South Korea
Prior art keywords
permanent magnet
ingot
sintered
temperature range
hours
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Application number
KR1019940012621A
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Korean (ko)
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KR970009409B1 (en
Inventor
박언병
양충진
송영근
최승덕
Original Assignee
김만제
포항종합제철 주식회사
신창식
재단법인산업과학기술연구소
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Priority to KR1019940012621A priority Critical patent/KR970009409B1/en
Publication of KR960002381A publication Critical patent/KR960002381A/en
Application granted granted Critical
Publication of KR970009409B1 publication Critical patent/KR970009409B1/en

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Classifications

    • 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
    • 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
    • H01F1/0536—Alloys characterised by their composition containing rare earth metals sintered
    • 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
    • H01F1/086—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 sintered

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Hard Magnetic Materials (AREA)
  • Powder Metallurgy (AREA)

Abstract

본 발명은 경제성을 고려하여 저렴한 원료비가 소요되는 Sm-Fe계 회토류 화합물 영구자석 재료를 근간으로 하되, 균질화 및 소결처리를 통하여 자기특성이 실용화에 문제가 없는 소결자석용 Sm-Fe계 영구자석 재료의 제조방법을 제공하고자 하는데 그 목적이 있다.The present invention is based on the Sm-Fe-based rare earth compound permanent magnet material that requires a low raw material cost in consideration of economical efficiency, the Sm-Fe-based permanent magnet for sintered magnets, which has no problem in practical use through homogenization and sintering treatment It is an object of the present invention to provide a method for manufacturing a material.

본 발명은 소결자석용 영구자석재료의 제조방법에 있어서, SmFe7+xMx 화합물 조성식물 갖고, M은 Mo, V, Nb 및 Ti 중에서 선택된 1종 또는 2종 이상이며, x는 0.2-2.0이 조성범위로 이루어진 모재를 진공 또는 불활성 가스 분위기에서 용해하여 주괴를 제조하는 단계; 상기 주괴롤 900-1200℃의 온도범위에서 균질화처리하는 단계; 균질화처리된 주괴를 5-50um의 미분으로 분쇄하는 단계; 상기 분말을 성형하여 압분체를 제조하는 단계; 상기 압분체를 1000-1200℃의 온도범위에서 1-2시간 소결처리하는 단계; 및 소결처리한 자성체를 600-700℃의 온도범위에서 1-2시간 시효처리를 하는 단계를 포함하는 것을 특징으로 하는 소결자석용 Sm-Fe계 영구자석 재료의 제조방법에 관한 것을 그 요지로 한다.The present invention provides a method for producing a permanent magnet material for sintered magnet, SmFe 7 + x Mx compound composition plant, M is one or two or more selected from Mo, V, Nb and Ti, x is 0.2-2.0 Preparing a ingot by dissolving a base material having a composition range in a vacuum or inert gas atmosphere; Homogenizing the temperature in the temperature range of the ingot roll 900-1200 ℃; Grinding the homogenized ingot into 5-50 um fine powder; Forming a green compact by molding the powder; Sintering the green compact in a temperature range of 1000-1200 ° C. for 1-2 hours; And a step of aging the sintered magnetic material in a temperature range of 600-700 ° C. for 1 to 2 hours to produce a Sm-Fe-based permanent magnet material for sintered magnets. .

Description

소결자석용 사마리움-철계 영구자석 재료의 제조방법Method for manufacturing samarium-iron permanent magnet material for sintered magnet

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

Claims (1)

소결자석용 영구자석 재료의 제조방법에 있어서, SmFe7+xMx 화합물 조성식을 갖고, M은 Mo, V, Nb 및 Ti 중에서 선택된 1종 또는 2종 이상이며, x는 0.2-2.0의 조성범위로 이루어진 모재를 진공 또는 불활성 가스 분위기에서 용해하여 주괴를 제조하는 단계; 상기 주괴를 900-1200℃의 온도범위에서 균질화처리하는 단계; 균질화처리된 주괴를 5-50um의 미분으로 분쇄하는 단계; 상기 분말을 성형하여 압분체를 제조하는 단계; 상기 압분체를 1000-1200℃의 온도범위에서 1-2시간 소결처리하는 단계; 및 소결처리한 자성체를 600-700℃의 범위에서 1-2시간 시효처리하는 단계를 포함하는 것을 특징으로 하는 소결자석용 Sm-Fe계 영구자석 재료의 제조방법.In the method for producing a permanent magnet material for sintered magnet, SmFe 7 + x Mx compound composition formula, M is one or two or more selected from Mo, V, Nb and Ti, x is in the composition range of 0.2-2.0 Dissolving the formed base material in a vacuum or inert gas atmosphere to produce an ingot; Homogenizing the ingot in a temperature range of 900-1200 ° C .; Grinding the homogenized ingot into 5-50 um fine powder; Forming a green compact by molding the powder; Sintering the green compact in a temperature range of 1000-1200 ° C. for 1-2 hours; And aging treatment of the sintered magnetic material in the range of 600-700 ° C. for 1 to 2 hours. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019940012621A 1994-06-04 1994-06-04 Permanent magnet material processing method KR970009409B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019940012621A KR970009409B1 (en) 1994-06-04 1994-06-04 Permanent magnet material processing method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019940012621A KR970009409B1 (en) 1994-06-04 1994-06-04 Permanent magnet material processing method

Publications (2)

Publication Number Publication Date
KR960002381A true KR960002381A (en) 1996-01-26
KR970009409B1 KR970009409B1 (en) 1997-06-13

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Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019940012621A KR970009409B1 (en) 1994-06-04 1994-06-04 Permanent magnet material processing method

Country Status (1)

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Publication number Publication date
KR970009409B1 (en) 1997-06-13

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