DE68927203D1 - Herstellungsverfahren eines Dauermagnetes - Google Patents

Herstellungsverfahren eines Dauermagnetes

Info

Publication number
DE68927203D1
DE68927203D1 DE68927203T DE68927203T DE68927203D1 DE 68927203 D1 DE68927203 D1 DE 68927203D1 DE 68927203 T DE68927203 T DE 68927203T DE 68927203 T DE68927203 T DE 68927203T DE 68927203 D1 DE68927203 D1 DE 68927203D1
Authority
DE
Germany
Prior art keywords
magnet
group
manufacturing
cast
magnetic
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Fee Related
Application number
DE68927203T
Other languages
English (en)
Other versions
DE68927203T2 (de
Inventor
Osamu Kobayashi
Tatsuya Shimoda
Koji Akioka
Toshiaki Yamagami
Nobuyasu Kawai
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Seiko Epson Corp
Kobe Steel Ltd
Original Assignee
Seiko Epson Corp
Kobe Steel Ltd
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 JP63150040A external-priority patent/JP2573865B2/ja
Priority claimed from JP63150039A external-priority patent/JPH023201A/ja
Application filed by Seiko Epson Corp, Kobe Steel Ltd filed Critical Seiko Epson Corp
Application granted granted Critical
Publication of DE68927203D1 publication Critical patent/DE68927203D1/de
Publication of DE68927203T2 publication Critical patent/DE68927203T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

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
    • 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
    • H01F41/0273—Imparting anisotropy
    • 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
    • H01F1/0576—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 pressed, e.g. hot working

Landscapes

  • 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)
  • Manufacturing Cores, Coils, And Magnets (AREA)
DE68927203T 1988-06-20 1989-05-18 Herstellungsverfahren eines Dauermagnetes Expired - Fee Related DE68927203T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP63150040A JP2573865B2 (ja) 1988-06-20 1988-06-20 永久磁石の製造方法
JP63150039A JPH023201A (ja) 1988-06-20 1988-06-20 永久磁石

Publications (2)

Publication Number Publication Date
DE68927203D1 true DE68927203D1 (de) 1996-10-24
DE68927203T2 DE68927203T2 (de) 1997-02-06

Family

ID=26479753

Family Applications (1)

Application Number Title Priority Date Filing Date
DE68927203T Expired - Fee Related DE68927203T2 (de) 1988-06-20 1989-05-18 Herstellungsverfahren eines Dauermagnetes

Country Status (6)

Country Link
US (1) US5536334A (de)
EP (1) EP0348038B1 (de)
KR (1) KR910001826A (de)
AT (1) ATE143171T1 (de)
DE (1) DE68927203T2 (de)
IE (1) IE891581A1 (de)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5641363A (en) * 1993-12-27 1997-06-24 Tdk Corporation Sintered magnet and method for making
CN1139082C (zh) * 1996-04-10 2004-02-18 昭和电工株式会社 用于生产稀土磁体的铸造合金和生产铸造合金与磁体的方法
US5787912A (en) * 1997-10-16 1998-08-04 Wu; Tzun-Zong Quickly foldable rib means of automatic umbrella
US6779426B1 (en) 1999-12-21 2004-08-24 Atlas Die Llc Die rule retention device and retaining board incorporating same
AU2003291539A1 (en) * 2002-11-18 2004-06-15 Iowa State University Research Foundation, Inc. Permanent magnet alloy with improved high temperature performance
WO2013137134A1 (ja) * 2012-03-12 2013-09-19 日東電工株式会社 希土類永久磁石及び希土類永久磁石の製造方法
JP5960476B2 (ja) * 2012-03-30 2016-08-02 株式会社ケーヒン 磁気異方性塑性加工品及びその製造方法と、それを用いた電磁装置
JP5752094B2 (ja) * 2012-08-08 2015-07-22 ミネベア株式会社 フルデンス希土類−鉄系ボンド磁石の製造方法
JP2018505540A (ja) * 2014-12-08 2018-02-22 エルジー エレクトロニクス インコーポレイティド 非磁性合金を含む熱間加圧変形磁石及びその製造方法

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1316375C (en) * 1982-08-21 1993-04-20 Masato Sagawa Magnetic materials and permanent magnets
CA1216623A (en) * 1983-05-09 1987-01-13 John J. Croat Bonded rare earth-iron magnets
CA1236381A (en) * 1983-08-04 1988-05-10 Robert W. Lee Iron-rare earth-boron permanent magnets by hot working
JPH0789521B2 (ja) * 1985-03-28 1995-09-27 株式会社東芝 希土類鉄系永久磁石
JPS6223959A (ja) * 1985-07-25 1987-01-31 Sumitomo Special Metals Co Ltd 高性能永久磁石材料
FR2586323B1 (fr) * 1985-08-13 1992-11-13 Seiko Epson Corp Aimant permanent a base de terres rares-fer
JPS62276803A (ja) * 1985-08-13 1987-12-01 Seiko Epson Corp 希土類−鉄系永久磁石
JP2725004B2 (ja) * 1986-04-30 1998-03-09 セイコーエプソン株式会社 永久磁石の製造方法
EP0216254B1 (de) * 1985-09-10 1991-01-02 Kabushiki Kaisha Toshiba Dauermagnet
CA1269029A (en) * 1986-01-29 1990-05-15 Peter Vernia Permanent magnet manufacture from very low coercivity crystalline rare earth-transition metal-boron alloy
JP2558095B2 (ja) * 1986-02-26 1996-11-27 セイコーエプソン株式会社 希土類一鉄系永久磁石の製造方法
GB2206241B (en) * 1987-06-18 1990-08-15 Seiko Epson Corp Method of making a permanent magnet
JPS62265705A (ja) * 1986-05-14 1987-11-18 Seiko Epson Corp 希土類−鉄系永久磁石
JPS63213323A (ja) * 1987-03-02 1988-09-06 Seiko Epson Corp 希土類−鉄系永久磁石
JPS64704A (en) * 1987-03-02 1989-01-05 Seiko Epson Corp Rare earth-iron system permanent magnet
JPS63312915A (ja) * 1987-06-17 1988-12-21 Namiki Precision Jewel Co Ltd 永久磁石の製造方法

Also Published As

Publication number Publication date
US5536334A (en) 1996-07-16
EP0348038A2 (de) 1989-12-27
IE891581A1 (en) 1991-01-02
IE891581L (en) 1989-12-20
ATE143171T1 (de) 1996-10-15
DE68927203T2 (de) 1997-02-06
EP0348038A3 (de) 1991-01-16
EP0348038B1 (de) 1996-09-18
KR910001826A (ko) 1991-01-31

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee