DE68911502D1 - Verfahren zur herstellung eines dauermagnetes. - Google Patents

Verfahren zur herstellung eines dauermagnetes.

Info

Publication number
DE68911502D1
DE68911502D1 DE89907291T DE68911502T DE68911502D1 DE 68911502 D1 DE68911502 D1 DE 68911502D1 DE 89907291 T DE89907291 T DE 89907291T DE 68911502 T DE68911502 T DE 68911502T DE 68911502 D1 DE68911502 D1 DE 68911502D1
Authority
DE
Germany
Prior art keywords
producing
permanent magnet
permanent
magnet
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 - Lifetime
Application number
DE89907291T
Other languages
English (en)
Other versions
DE68911502T2 (de
Inventor
Fumitoshi Yamashita
Masami Wada
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.)
Panasonic Corp
Original Assignee
Matsushita Electric Industrial Co 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 JP63153268A external-priority patent/JP2899290B2/ja
Priority claimed from JP63237612A external-priority patent/JP2638995B2/ja
Priority claimed from JP63237611A external-priority patent/JP3061808B2/ja
Priority claimed from JP1017980A external-priority patent/JPH02198105A/ja
Priority claimed from JP1017979A external-priority patent/JPH02198104A/ja
Application filed by Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Application granted granted Critical
Publication of DE68911502D1 publication Critical patent/DE68911502D1/de
Publication of DE68911502T2 publication Critical patent/DE68911502T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • 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
    • 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)
DE68911502T 1988-06-21 1989-06-21 Verfahren zur herstellung eines dauermagnetes. Expired - Lifetime DE68911502T2 (de)

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
JP63153268A JP2899290B2 (ja) 1988-06-21 1988-06-21 Ｆｅ−Ｂ−Ｒ系永久磁石の製造方法
JP63237612A JP2638995B2 (ja) 1988-09-22 1988-09-22 永久磁石構造体
JP63237611A JP3061808B2 (ja) 1988-09-22 1988-09-22 Ｆｅ−Ｂ−Ｒ系永久磁石の製造方法
JP1017980A JPH02198105A (ja) 1989-01-27 1989-01-27 希土類・鉄系永久磁石の製造方法
JP1017979A JPH02198104A (ja) 1989-01-27 1989-01-27 希土類・鉄系永久磁石の製造方法
PCT/JP1989/000618 WO1989012902A1 (en) 1988-06-21 1989-06-21 Method of producing permanent magnet

Publications (2)

Publication Number Publication Date
DE68911502D1 true DE68911502D1 (de) 1994-01-27
DE68911502T2 DE68911502T2 (de) 1994-06-30

Family

ID=27519976

Family Applications (1)

Application Number Title Priority Date Filing Date
DE68911502T Expired - Lifetime DE68911502T2 (de) 1988-06-21 1989-06-21 Verfahren zur herstellung eines dauermagnetes.

Country Status (4)

Country Link
US (1) US5100485A (de)
EP (1) EP0378698B1 (de)
DE (1) DE68911502T2 (de)
WO (1) WO1989012902A1 (de)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2780429B2 (ja) * 1990-03-30 1998-07-30 松下電器産業株式会社 希土類―鉄系磁石の製造方法
DE4324661C2 (de) * 1992-09-29 2000-03-16 Siemens Ag Verfahren zur Herstellung eines Materials mit erhöhtem Magnetowiderstand und Verwendung des so hergestellten Materials
US5624503A (en) * 1992-12-24 1997-04-29 Matsushita Electric Industrial Co., Ltd. Process for producing Nd-Fe-B magnet
US5514224A (en) * 1993-11-05 1996-05-07 Magnequench International, Inc. High remanence hot pressed magnets
JP3161673B2 (ja) * 1994-05-30 2001-04-25 松下電器産業株式会社 マイクロスピーカ用磁気回路ユニット及びその製造方法
CN1182548C (zh) * 2000-07-10 2004-12-29 株式会社新王磁材 稀土磁铁及其制造方法
ATE492023T1 (de) * 2002-10-08 2011-01-15 Hitachi Metals Ltd R-fe-b gesinterter permanentmagnet und verfahren zu dessen herstellung
WO2006046838A1 (en) * 2004-10-28 2006-05-04 Tesla Co., Ltd. A manufacture method of ndfeb isotropic and anisotropic permanent magnets
JP4591633B2 (ja) 2009-03-31 2010-12-01 日立金属株式会社 ナノコンポジットバルク磁石およびその製造方法
US8821650B2 (en) * 2009-08-04 2014-09-02 The Boeing Company Mechanical improvement of rare earth permanent magnets
CN107077935A (zh) * 2014-12-08 2017-08-18 Lg电子株式会社 包含非磁性合金的热压变形的磁体及其制造方法
EP3440678A4 (de) * 2016-03-30 2019-08-21 Advanced Magnet Lab, Inc. Verfahren zur herstellung von dauermagneten

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1236381A (en) * 1983-08-04 1988-05-10 Robert W. Lee Iron-rare earth-boron permanent magnets by hot working
CA1269029A (en) * 1986-01-29 1990-05-15 Peter Vernia Permanent magnet manufacture from very low coercivity crystalline rare earth-transition metal-boron alloy
JPS6321804A (ja) * 1986-07-16 1988-01-29 Toshiba Corp 希土類鉄系永久磁石の製造方法
JPH01175705A (ja) * 1987-12-29 1989-07-12 Daido Steel Co Ltd 希土類磁石の製造方法
US4957668A (en) * 1988-12-07 1990-09-18 General Motors Corporation Ultrasonic compacting and bonding particles
EP0392799B2 (de) * 1989-04-14 1998-11-25 Daido Tokushuko Kabushiki Kaisha Verfahren und Vorrichtung für die Herstellung eines anisotropen Seltenerd-Magneten
JPH06321804A (ja) * 1993-05-10 1994-11-22 Teijin Ltd カルシトニン類経鼻製剤

Also Published As

Publication number Publication date
DE68911502T2 (de) 1994-06-30
EP0378698B1 (de) 1993-12-15
US5100485A (en) 1992-03-31
WO1989012902A1 (en) 1989-12-28
EP0378698A1 (de) 1990-07-25
EP0378698A4 (en) 1991-07-31

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8320 Willingness to grant licences declared (paragraph 23)
8339 Ceased/non-payment of the annual fee
8370 Indication of lapse of patent is to be deleted
8327 Change in the person/name/address of the patent owner

Owner name: PANASONIC CORP., KADOMA, OSAKA, JP