DE68919166D1 - Hochorientierter Dauermagnet und Verfahren zu seiner Herstellung. - Google Patents

Hochorientierter Dauermagnet und Verfahren zu seiner Herstellung.

Info

Publication number
DE68919166D1
DE68919166D1 DE68919166T DE68919166T DE68919166D1 DE 68919166 D1 DE68919166 D1 DE 68919166D1 DE 68919166 T DE68919166 T DE 68919166T DE 68919166 T DE68919166 T DE 68919166T DE 68919166 D1 DE68919166 D1 DE 68919166D1
Authority
DE
Germany
Prior art keywords
production
permanent magnet
highly oriented
oriented permanent
highly
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
DE68919166T
Other languages
English (en)
Other versions
DE68919166T2 (de
Inventor
Kazunori Tabaru
Motoharu Shimizu
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
Publication of DE68919166D1 publication Critical patent/DE68919166D1/de
Application granted granted Critical
Publication of DE68919166T2 publication Critical patent/DE68919166T2/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
    • 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
    • H01F1/0555—Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5 pressed, sintered or bonded together
    • H01F1/0556—Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5 pressed, sintered or bonded together pressed
    • 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
DE68919166T 1988-08-19 1989-08-18 Hochorientierter Dauermagnet und Verfahren zu seiner Herstellung. Expired - Fee Related DE68919166T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP20584988 1988-08-19

Publications (2)

Publication Number Publication Date
DE68919166D1 true DE68919166D1 (de) 1994-12-08
DE68919166T2 DE68919166T2 (de) 1995-03-09

Family

ID=16513728

Family Applications (1)

Application Number Title Priority Date Filing Date
DE68919166T Expired - Fee Related DE68919166T2 (de) 1988-08-19 1989-08-18 Hochorientierter Dauermagnet und Verfahren zu seiner Herstellung.

Country Status (3)

Country Link
US (1) US5080731A (de)
EP (1) EP0355741B1 (de)
DE (1) DE68919166T2 (de)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2072247T1 (es) * 1990-11-30 1995-07-16 Intermetallics Co Ltd Metodo para la fabricacion de un iman permanente y aparato para la produccion de una pieza compacta sin sinterizar.
JP3008615B2 (ja) * 1991-11-15 2000-02-14 大同特殊鋼株式会社 ラジアル異方性リング磁石及びその製造方法
FR2686730B1 (fr) * 1992-01-23 1994-11-04 Aimants Ugimag Sa Methode de reglage de l'induction remanente d'un aimant fritte et produit ainsi obtenu.
DE69307968T2 (de) * 1992-08-10 1997-06-12 Intermetallics Co Ltd Beschichtungsverfahren
DE19628722A1 (de) * 1996-07-17 1998-01-22 Esselte Meto Int Gmbh Vorrichtung zum Deaktivieren eines Sicherungselementes für die elektronische Artikelsicherung
JP3479633B2 (ja) * 2000-07-21 2003-12-15 日本特殊陶業株式会社 セラミックボール、ボールベアリング、ベアリング付きモータ、ハードディスク装置、ポリゴンスキャナ及びセラミックボールの製造方法
US7905965B2 (en) * 2006-11-28 2011-03-15 General Electric Company Method for making soft magnetic material having fine grain structure
NL2014545A (en) * 2014-03-31 2015-10-13 Asml Netherlands Bv An undulator.
CN103990805B (zh) * 2014-05-11 2016-06-22 沈阳中北通磁科技股份有限公司 一种钕铁硼稀土永磁合金的制粉方法和设备

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2999271A (en) * 1960-08-30 1961-09-12 Gen Electric Magnetic material
GB1373019A (en) * 1972-07-28 1974-11-06 Johnson R E Cobalt-based sintered permanent magnets
CA1176814A (en) * 1981-05-11 1984-10-30 Kalatur S. V. L. Narasimhan Method of improving magnets
JPS58153306A (ja) * 1982-03-08 1983-09-12 Seiko Instr & Electronics Ltd 希土類磁石の製造方法
JPH063780B2 (ja) * 1985-06-13 1994-01-12 日立金属株式会社 異方性磁石の製造方法
JPS6217149A (ja) * 1985-07-16 1987-01-26 Sumitomo Special Metals Co Ltd 高性能焼結永久磁石材料の製造方法
US4679022A (en) * 1985-12-27 1987-07-07 Sumitomo Special Metal Co. Ltd. Magnetic field generating device for NMR-CT
US4654618A (en) * 1986-05-01 1987-03-31 The United States Of America As Represented By The Secretary Of The Army Confinement of kOe magnetic fields to very small areas in miniature devices
US4731598A (en) * 1987-08-24 1988-03-15 The United States Of America As Represented By The Secretary Of The Army Periodic permanent magnet structure with increased useful field

Also Published As

Publication number Publication date
US5080731A (en) 1992-01-14
DE68919166T2 (de) 1995-03-09
EP0355741B1 (de) 1994-11-02
EP0355741A3 (de) 1991-05-22
EP0355741A2 (de) 1990-02-28

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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