KR950012493A - 영구자석제조용 분말조성물, 자기이방성 영구자석 및 자기이방성 연구자석의 제조방법 - Google Patents

영구자석제조용 분말조성물, 자기이방성 영구자석 및 자기이방성 연구자석의 제조방법 Download PDF

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KR950012493A
KR950012493A KR1019940025449A KR19940025449A KR950012493A KR 950012493 A KR950012493 A KR 950012493A KR 1019940025449 A KR1019940025449 A KR 1019940025449A KR 19940025449 A KR19940025449 A KR 19940025449A KR 950012493 A KR950012493 A KR 950012493A
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permanent magnet
powder
anisotropic permanent
weight
composition
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KR1019940025449A
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야스노리 다카하시
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야스노리 다카하시
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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
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F1/00—Metallic powder; Treatment of metallic powder, e.g. to facilitate working or to improve properties
    • B22F1/14—Treatment of metallic powder
    • B22F1/142—Thermal or thermo-mechanical treatment
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F1/00—Metallic powder; Treatment of metallic powder, e.g. to facilitate working or to improve properties
    • B22F1/16—Metallic particles coated with a non-metal
    • 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
    • H01F1/0573—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 obtained by reduction or by hydrogen decrepitation or embrittlement
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/29—Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof
    • Y10T428/2982—Particulate matter [e.g., sphere, flake, etc.]
    • Y10T428/2991—Coated

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

Abstract

본 발명은 자기특성이 우수하고 형성이 용이한 영구자석제조용 분말조성물, 분말조성물의 사용에 의한 자기이방성 영구자석 및 자기이방성 영구자석의 제조방법을 제공하는 것을 목적으로 한다. 본 발명에 따른 영구자석 제조용 분말조성물은 13-18중량%의 금속네오디뮴 분말, 4-10중량%의 원소상분말 및 잔부의 인산 알루미늄으로 피복된 침상철분을 구성된 혼합물을 초기에는 수소함유 분위기에서, 이어서 비활성가스의 분위기에서 600℃이상의 온도에서 열처리함으로써 제조된 조성물이고, 자기이방성 영구자석은 자장의 존재하에서 분말조성물과 결합제로부터 엊어진 혼합물을 가열합축 성형함으로써 제조된다.

Description

영구자석제조용 분말조성물, 자기이방성 영구자석 및 자기이방성 영구자석의 제조방법
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제1도는 본 발명에 따른 영구자석의 자기특성을 나타낸다.

Claims (8)

  1. 영구자석 제조용 분말 조성물에 있어서, 상기 조성물은 13-18중량%의 금속네오디뮴 분말, 4-10중량%의 원소상 붕소분말 및 잔부의 인산알루미늄으로 피복된 침상철분으로 구성된 혼합물을 초기에는 수소 함유 환원성 가스의 분위기에서, 이어서 비활성 가스의 분위기에서 600℃이상의 온도에서 열처리함으로써 제조된 조성물인 것을 특징으로 하는 영구자석제조용 분말조성물.
  2. 제1항에 있어서, 침상철분과 인산알루미늄간의 중량비율이 8:1 내지 20:1인 것을 특징으로 하는 영구자석제조용 분말조성물.
  3. 자기이방성 영구자석에 있어서, 상기 자석은 13-18중량%의 금속네오디뮴분말, 4-10중량%의 원소상붕소분말 및 잔부의 인산알루미늄으로 피복된 침상철분으로 구성된 혼합물을 초기에는 수소함유 환원성가스의 분위기에서, 이어서 비활성가스의 분위기에서 600℃ 이상의 온도에서 제조된 분말조성물과 결합제로 이루어진 혼합물을 자장의 존재하에서 가열압축성형함으로써 제조된 자석인 것을 특징으로 하는 자기이방성 영구자석.
  4. 제3항에 있어서, 침상철분과 인산알루미늄간의 중량비율이 8:1내지 20:1 인 것을 특징으로 하는 자기이방성 영구자석.
  5. 제3항 또는 제4항에 있어서, 결합제가 유리화제인 것을 특징으로 하는 자기이방성 영구자석.
  6. 자기이방성 영구자석에 제조방법에 있어서, 상기 방법은 13-18중량%의 금속네오디뮴분말, 4-10중량%의 원소상 붕소분말 및 잔부의 인산알루미늄으로 피복된 침상철분으로 구성된 혼합물을 초기에는 수소함유 환원성가스의 분위기에서, 이어서 비활성가스의 분위기에서 600℃ 이상의 온도에서 옆처리함으로써 제제조된 분말조성물과 결합제로 이루어진 혼합물을 자장의 존재하에서 가열압축성형하는 것으로 이루어진 것을 특징으로 하는 자기이방성 영구자석.
  7. 제6항에 있어서, 침상철분과 인산알루미늄간의 중량비율이 8:1 내지 20:1인 것을 특징으로 하는 자기이방성 영구자석의 제조방법.
  8. 제6항 또는 제7항에 있어서, 결합제가 유리화제인 것을 특징으로 하는 자기이방성 영구자석의 제조방법.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019940025449A 1993-10-06 1994-10-05 영구자석제조용 분말조성물, 자기이방성 영구자석 및 자기이방성 연구자석의 제조방법 KR950012493A (ko)

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JP5272967A JPH07106110A (ja) 1993-10-06 1993-10-06 ボンド磁石製造用粉末組成物、磁気異方性永久磁石及び磁気異方性永久磁石の製造法
JP93-272967 1993-10-06

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CN (1) CN1110427A (ko)
AT (1) ATE152852T1 (ko)
CA (1) CA2132760A1 (ko)
DE (1) DE69403041T2 (ko)
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Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH09194911A (ja) * 1996-01-10 1997-07-29 Kawasaki Teitoku Kk 成形性の良好な永久磁石用原料粉末の製造方法
TW434589B (en) * 1996-07-17 2001-05-16 Sanei Kasei Co Ltd Raw material powder for modified permanent magnets and production method of the same
JP2001275314A (ja) * 2000-03-24 2001-10-05 Seiko Precision Inc ロータ磁石およびモータおよびステッピングモータ
US6467525B2 (en) * 2000-07-24 2002-10-22 Hormel Foods, Llc Gelatin coated sand core and method of making same
US6910897B2 (en) 2001-01-12 2005-06-28 Litton Systems, Inc. Interconnection system
US6843657B2 (en) 2001-01-12 2005-01-18 Litton Systems Inc. High speed, high density interconnect system for differential and single-ended transmission applications
US6979202B2 (en) 2001-01-12 2005-12-27 Litton Systems, Inc. High-speed electrical connector
US6666253B2 (en) * 2002-03-18 2003-12-23 Hormel Foods, Llc Method and apparatus for making a sand core with an improved hardening rate
WO2004046409A2 (en) * 2002-11-18 2004-06-03 Iowa State University Research Foundation, Inc. Permanent magnet alloy with improved high temperature performance
CA2452234A1 (en) * 2002-12-26 2004-06-26 Jfe Steel Corporation Metal powder and powder magnetic core using the same
JPWO2005040047A1 (ja) * 2003-10-27 2007-11-22 アクア・エナジー株式会社 還元水素水の製造方法とその製造装置
US7073557B2 (en) 2004-02-18 2006-07-11 Hormel Foods, Llc Method of drying a sand mold using a vacuum
US7592904B2 (en) * 2006-10-30 2009-09-22 Spx Corporation Tire pressure monitor system module
US7623025B2 (en) * 2006-10-30 2009-11-24 Spx Corporation Tire pressure monitor initiation tool with vehicle data interface
US7639122B2 (en) * 2006-10-30 2009-12-29 Spx Corporation Tire pressure monitor system tool with vehicle entry system
US7592903B2 (en) * 2006-10-30 2009-09-22 Spx Corporation Tire pressure monitor system tool with re-learn and diagnostic procedures
JP5366069B2 (ja) * 2008-03-26 2013-12-11 パウダーテック株式会社 フェライト粒子及びその製造方法
US7884707B2 (en) * 2008-04-23 2011-02-08 Spx Corporation Tire pressure monitor system tool with parts number database
JP2011094204A (ja) * 2009-10-30 2011-05-12 Tdk Corp 表面処理還元鉄粉及びその製造方法、並びに、圧粉磁芯
US9091537B2 (en) 2012-04-18 2015-07-28 Bosch Automotive Service Solutions Inc. Tire pressure monitor system tool with active tire pressure display
CN105741971B (zh) * 2016-03-01 2017-07-11 河北大学 一种纳米结构超导复合薄膜及其制备方法

Family Cites Families (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2625106C2 (de) * 1976-06-04 1982-03-11 Bayer Ag, 5090 Leverkusen Eisenoxidschwarz-Pigmente mit verbesserter Oxidationsbeständigkeit und Verfahren zu ihrer Herstellung
DE2815712A1 (de) * 1978-04-12 1979-10-25 Bayer Ag Eisenoxide zur magnetischen signalaufzeichnung und verfahren zu deren herstellung
DE2935444A1 (de) * 1979-09-01 1981-03-19 Basf Ag, 6700 Ludwigshafen Verfahren zur herstellung von nadelfoermigen ferrimagnetischem eisenoxid
JPS59103309A (ja) * 1982-12-03 1984-06-14 Seiko Epson Corp 永久磁石の製造方法
JPS60240105A (ja) * 1984-05-14 1985-11-29 Shin Etsu Chem Co Ltd プラスチツク磁石組成物
US4668283A (en) * 1984-06-25 1987-05-26 Mitsui Toatsu Chemicals, Incorporated Magnetic powder and production process thereof
FR2566758B1 (fr) * 1984-06-29 1990-01-12 Centre Nat Rech Scient Nouveaux hydrures de terre rare/fer/bore et terre rare/cobalt/bore magnetiques, leur procede de fabrication et de fabrication des produits deshydrures pulverulents correspondants, leurs applications
JPS6134242A (ja) * 1984-07-23 1986-02-18 帝人株式会社 無撚無糊織物の製織方法
JPS6181606A (ja) * 1984-09-04 1986-04-25 Tohoku Metal Ind Ltd 希土類磁石の製造方法
JPS6181605A (ja) * 1984-09-04 1986-04-25 Tohoku Metal Ind Ltd 希土類磁石の製造方法
JPS636808A (ja) * 1986-06-26 1988-01-12 Shin Etsu Chem Co Ltd 希土類永久磁石
JPS6367705A (ja) * 1986-09-09 1988-03-26 Nissan Chem Ind Ltd 磁性鉄粉の製造方法
EP0284033B1 (en) * 1987-03-23 1993-08-11 Tokin Corporation A method for producing a rare earth metal-iron-boron anisotropic bonded magnet from rapidly-quenched rare earth metal-iron-boron alloy ribbon-like flakes
JPS63272008A (ja) * 1987-04-30 1988-11-09 Daido Steel Co Ltd 異方性プラスチツク磁石の製造方法
JPH0666176B2 (ja) * 1987-06-03 1994-08-24 鐘淵化学工業株式会社 樹脂結合型磁石の製造方法
JPS6411304A (en) * 1987-07-06 1989-01-13 Kanegafuchi Chemical Ind Permanent plastic magnet
DE3807042A1 (de) * 1988-03-04 1989-09-14 Basf Ag Verfahren zur herstellung von nadelfoermigem (alpha)-fe(pfeil abwaerts)2(pfeil abwaerts)o(pfeil abwaerts)3(pfeil abwaerts)
JP2512537B2 (ja) * 1988-08-08 1996-07-03 信越化学工業株式会社 永久磁石用合金粉末の処理方法および希土類永久磁石の製造方法
JPH0372124A (ja) * 1989-08-11 1991-03-27 Hiroaki Hino 水洗便器内用水飛散防止剤
US5129964A (en) * 1989-09-06 1992-07-14 Sps Technologies, Inc. Process for making nd-b-fe type magnets utilizing a hydrogen and oxygen treatment
JPH05163510A (ja) * 1991-12-10 1993-06-29 Mitsubishi Materials Corp 希土類磁石合金粉末の製造法

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EP0647953B1 (en) 1997-05-07
US5562782A (en) 1996-10-08
US5443617A (en) 1995-08-22
CN1110427A (zh) 1995-10-18
DE69403041T2 (de) 1997-08-14
TW249859B (ko) 1995-06-21
EP0647953A2 (en) 1995-04-12
EP0647953A3 (ko) 1995-04-26
JPH07106110A (ja) 1995-04-21
DE69403041D1 (de) 1997-06-12
US5580400A (en) 1996-12-03
CA2132760A1 (en) 1995-04-07
ATE152852T1 (de) 1997-05-15

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