DE68910226D1 - Anisotropische Selten-Erden-Permanentmagnete und Herstellungsverfahren. - Google Patents

Anisotropische Selten-Erden-Permanentmagnete und Herstellungsverfahren.

Info

Publication number
DE68910226D1
DE68910226D1 DE89115137T DE68910226T DE68910226D1 DE 68910226 D1 DE68910226 D1 DE 68910226D1 DE 89115137 T DE89115137 T DE 89115137T DE 68910226 T DE68910226 T DE 68910226T DE 68910226 D1 DE68910226 D1 DE 68910226D1
Authority
DE
Germany
Prior art keywords
rare earth
permanent magnets
manufacturing processes
earth permanent
anisotropic rare
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
DE89115137T
Other languages
English (en)
Other versions
DE68910226T2 (de
Inventor
Kazunori Tabaru
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.)
Proterial Ltd
Original Assignee
Hitachi Metals 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
Application filed by Hitachi Metals Ltd filed Critical Hitachi Metals Ltd
Application granted granted Critical
Publication of DE68910226D1 publication Critical patent/DE68910226D1/de
Publication of DE68910226T2 publication Critical patent/DE68910226T2/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
    • H01F7/00—Magnets
    • H01F7/02—Permanent magnets [PM]
    • H01F7/0205—Magnetic circuits with PM in general
    • H01F7/021—Construction of PM
    • 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
    • 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
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S264/00—Plastic and nonmetallic article shaping or treating: processes
    • Y10S264/58—Processes of forming magnets
    • 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
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S425/00—Plastic article or earthenware shaping or treating: apparatus
    • Y10S425/033—Magnet

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Manufacturing & Machinery (AREA)
  • Manufacturing Cores, Coils, And Magnets (AREA)
  • Powder Metallurgy (AREA)
DE89115137T 1988-08-18 1989-08-17 Anisotropische Selten-Erden-Permanentmagnete und Herstellungsverfahren. Expired - Fee Related DE68910226T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP20521488 1988-08-18
JP3809389 1989-02-17

Publications (2)

Publication Number Publication Date
DE68910226D1 true DE68910226D1 (de) 1993-12-02
DE68910226T2 DE68910226T2 (de) 1994-03-17

Family

ID=26377285

Family Applications (1)

Application Number Title Priority Date Filing Date
DE89115137T Expired - Fee Related DE68910226T2 (de) 1988-08-18 1989-08-17 Anisotropische Selten-Erden-Permanentmagnete und Herstellungsverfahren.

Country Status (3)

Country Link
US (2) US5049053A (de)
EP (1) EP0355704B1 (de)
DE (1) DE68910226T2 (de)

Families Citing this family (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3924842C1 (de) * 1989-07-27 1990-12-13 Baumueller Nuernberg Gmbh, 8500 Nuernberg, De
EP0577874A1 (de) * 1992-07-08 1994-01-12 Siemens Aktiengesellschaft Wiggler mit Spulenanordnungen mit konzentrischen Spulen
JP2756471B2 (ja) * 1993-03-12 1998-05-25 セイコーインスツルメンツ株式会社 ラジアル配向磁石の製造方法およびラジアル配向磁石
DE69429326T2 (de) * 1993-12-27 2002-05-16 Sumitomo Spec Metals Verfahren zum Granulieren von Pulver
JPH09150438A (ja) * 1995-11-28 1997-06-10 Seiko Giken:Kk 光ディスク基盤射出成形金型のスタンパプレート装着装置
GB2311891A (en) * 1996-04-04 1997-10-08 Analytical Precision Ltd A method of forming a magnetic body, e.g. for a mass spectrometer
JP3249930B2 (ja) * 1997-04-14 2002-01-28 信越化学工業株式会社 挿入光源
DE19953650C2 (de) * 1999-11-08 2003-07-24 Inst Mikrotechnik Mainz Gmbh Verfahren zur Herstellung und Magazinierung von Einzelmagnetbauteilen sowie deren Montage zur Herstellung von miniaturisierten Magnetsystemen und solche Magnetsysteme
DE19962232B4 (de) * 1999-12-22 2006-05-04 Vacuumschmelze Gmbh Verfahren zur Herstellung stabförmiger Dauermagnete
WO2003049845A1 (en) * 2001-12-05 2003-06-19 Pharmacia Corporation High strength magnetic stir bar
CN100528420C (zh) * 2002-04-12 2009-08-19 日立金属株式会社 稀土类合金粉末的压制成型方法以及稀土类合金烧结体的制造方法
US8865050B2 (en) * 2010-03-16 2014-10-21 The Boeing Company Method for curing a composite part layup
US8372327B2 (en) 2007-09-13 2013-02-12 The Boeing Company Method for resin transfer molding composite parts
US8017059B2 (en) 2007-09-13 2011-09-13 The Boeing Company Composite fabrication apparatus and method
US8343402B1 (en) * 2007-09-13 2013-01-01 The Boeing Company Consolidation of composite material
CN102982936B (zh) * 2012-11-09 2015-09-23 厦门钨业股份有限公司 烧结Nd-Fe-B系磁铁的省却工序的制作方法
AU2014281646A1 (en) 2013-06-17 2016-02-11 Urban Mining Technology Company, Llc Magnet recycling to create Nd-Fe-B magnets with improved or restored magnetic performance
US9336932B1 (en) 2014-08-15 2016-05-10 Urban Mining Company Grain boundary engineering
CN106704323B (zh) * 2016-12-20 2019-06-07 天津博雅全鑫磁电科技有限公司 一种大批量永磁材料高精度粘接成型的装置及方法
EP3633698A4 (de) 2017-05-26 2021-02-24 Nitto Denko Corporation Magnetherstellungsverfahren und magnetmagnetisierungsverfahren
US10619755B2 (en) * 2018-01-17 2020-04-14 Nextern, Inc. Solenoid operated valve with flux density concentration ring and molded-in valve seat
US11398330B2 (en) * 2018-10-19 2022-07-26 Magmedics, LLC Therapeutic field directional magnetic array

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1199674B (de) * 1961-10-12 1965-08-26 Silika Und Schamottefabriken M Form-Mutterkasten zum Halten der Stahlformplatten fuer die Herstellung keramischer Formlinge und Verfahren zum Herstellen desselben
US3555621A (en) * 1967-04-22 1971-01-19 Tamagawa Kikai Kinzoku Kk Compacting apparatus for magnetic powders
US3694115A (en) * 1967-11-09 1972-09-26 Magnetfab Bonn Gmbh Molding apparatus for making anisotropic ring-shaped magnets with zones having a preferred radial direction
US3564654A (en) * 1968-03-19 1971-02-23 Magnetfab Bonn Gmbh Automatic pressing tool for anisotropic permanent magnets
US4197067A (en) * 1976-05-27 1980-04-08 General Electric Company Composite mold construction
US4104787A (en) * 1977-03-21 1978-08-08 General Motors Corporation Forming curved wafer thin magnets from rare earth-cobalt alloy powders
DE3047701A1 (de) * 1980-12-18 1982-07-15 Magnetfabrik Bonn Gmbh Vorm. Gewerkschaft Windhorst, 5300 Bonn Verfahren zum herstellen von anisotropen dauermagneten und danach hergestellte rohrfoermige dauermagnete
US4601875A (en) * 1983-05-25 1986-07-22 Sumitomo Special Metals Co., Ltd. Process for producing magnetic materials
DE3484406D1 (de) * 1983-06-08 1991-05-16 Hitachi Metals Ltd Methode und apparat zur herstellung von anisotropen magneten.
JPS60115422A (ja) * 1983-11-28 1985-06-21 Matsushita Electric Ind Co Ltd マグネットロ−ルの製造法
JPS60141839A (ja) * 1983-12-28 1985-07-26 Fujitsu Ltd 希土類コバルト磁石の製法
US4666389A (en) * 1985-01-25 1987-05-19 The Texas A&M University System Apparatus for forming compacts from solid particles
JPH0624174B2 (ja) * 1985-07-12 1994-03-30 三菱化成株式会社 円筒磁石の製造方法
US4722824A (en) * 1986-06-04 1988-02-02 Fine Particle Technology Corp. Method of joining green bodies prior to sintering
DE3626360C2 (de) * 1986-08-04 1995-06-22 Vogt Electronic Ag Herstellungsvefahren für zwei- und mehrpolige Dauermagnete mit hoher magnetischer Energiedichte

Also Published As

Publication number Publication date
EP0355704B1 (de) 1993-10-27
EP0355704A1 (de) 1990-02-28
DE68910226T2 (de) 1994-03-17
US5049053A (en) 1991-09-17
US5338372A (en) 1994-08-16

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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