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DE3883038D1 - Verfahren zur herstellung eines anisotropen seltene erden-eisen-bor-verbundmagneten mit hilfe von bandaehnlichen spaenen aus einer seltene erden-eisen-bor-legierung. - Google Patents

Verfahren zur herstellung eines anisotropen seltene erden-eisen-bor-verbundmagneten mit hilfe von bandaehnlichen spaenen aus einer seltene erden-eisen-bor-legierung.

Info

Publication number
DE3883038D1
DE3883038D1 DE8888104593T DE3883038T DE3883038D1 DE 3883038 D1 DE3883038 D1 DE 3883038D1 DE 8888104593 T DE8888104593 T DE 8888104593T DE 3883038 T DE3883038 T DE 3883038T DE 3883038 D1 DE3883038 D1 DE 3883038D1
Authority
DE
Germany
Prior art keywords
bor
iron
rare earth
anisotropen
chips
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
DE8888104593T
Other languages
English (en)
Other versions
DE3883038T2 (de
Inventor
Tadakuni Sato
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.)
Tokin Corp
Original Assignee
Tokin Corp
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 Tokin Corp filed Critical Tokin Corp
Application granted granted Critical
Publication of DE3883038D1 publication Critical patent/DE3883038D1/de
Publication of DE3883038T2 publication Critical patent/DE3883038T2/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
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D11/00—Continuous casting of metals, i.e. casting in indefinite lengths
    • B22D11/06—Continuous casting of metals, i.e. casting in indefinite lengths into moulds with travelling walls, e.g. with rolls, plates, belts, caterpillars
    • B22D11/0611—Continuous casting of metals, i.e. casting in indefinite lengths into moulds with travelling walls, e.g. with rolls, plates, belts, caterpillars formed by a single casting wheel, e.g. for casting amorphous metal strips or wires
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D11/00—Continuous casting of metals, i.e. casting in indefinite lengths
    • B22D11/06—Continuous casting of metals, i.e. casting in indefinite lengths into moulds with travelling walls, e.g. with rolls, plates, belts, caterpillars
    • B22D11/0622—Continuous casting of metals, i.e. casting in indefinite lengths into moulds with travelling walls, e.g. with rolls, plates, belts, caterpillars formed by two casting wheels
    • 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
    • B22F9/00—Making metallic powder or suspensions thereof
    • B22F9/002—Making metallic powder or suspensions thereof amorphous or microcrystalline
    • B22F9/008—Rapid solidification processing
    • 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
    • B22F9/00—Making metallic powder or suspensions thereof
    • B22F9/02—Making metallic powder or suspensions thereof using physical processes
    • B22F9/06—Making metallic powder or suspensions thereof using physical processes starting from liquid material
    • B22F9/08—Making metallic powder or suspensions thereof using physical processes starting from liquid material by casting, e.g. through sieves or in water, by atomising or spraying
    • B22F9/10—Making metallic powder or suspensions thereof using physical processes starting from liquid material by casting, e.g. through sieves or in water, by atomising or spraying using centrifugal force
    • 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
    • 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
    • H01F1/0578—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 bonded together

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Power Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Hard Magnetic Materials (AREA)
DE88104593T 1987-03-23 1988-03-22 Verfahren zur Herstellung eines anisotropen seltene Erden-Eisen-Bor-Verbundmagneten mit Hilfe von bandähnlichen Spänen aus einer seltene Erden-Eisen-Bor-Legierung. Expired - Fee Related DE3883038T2 (de)

Applications Claiming Priority (7)

Application Number Priority Date Filing Date Title
JP6870587 1987-03-23
JP9249287 1987-04-15
JP22121987 1987-09-05
JP22210987 1987-09-07
JP25819187 1987-10-15
JP25819087 1987-10-15
JP25979187 1987-10-16

Publications (2)

Publication Number Publication Date
DE3883038D1 true DE3883038D1 (de) 1993-09-16
DE3883038T2 DE3883038T2 (de) 1994-01-05

Family

ID=27565131

Family Applications (1)

Application Number Title Priority Date Filing Date
DE88104593T Expired - Fee Related DE3883038T2 (de) 1987-03-23 1988-03-22 Verfahren zur Herstellung eines anisotropen seltene Erden-Eisen-Bor-Verbundmagneten mit Hilfe von bandähnlichen Spänen aus einer seltene Erden-Eisen-Bor-Legierung.

Country Status (3)

Country Link
US (1) US4913745A (de)
EP (1) EP0284033B1 (de)
DE (1) DE3883038T2 (de)

Families Citing this family (27)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5190684A (en) * 1988-07-15 1993-03-02 Matsushita Electric Industrial Co., Ltd. Rare earth containing resin-bonded magnet and its production
JP2839264B2 (ja) * 1988-07-15 1998-12-16 松下電器産業株式会社 永久磁石
DE69003720T3 (de) * 1989-04-14 1999-04-22 Daido Tokushuko K.K., Nagoya, Aichi Verfahren und Vorrichtung für die Herstellung eines anisotropen Seltenerd-Magneten.
AT393177B (de) * 1989-04-28 1991-08-26 Boehler Gmbh Permanentmagnet(-werkstoff) sowie verfahren zur herstellung desselben
JP2596835B2 (ja) * 1989-08-04 1997-04-02 新日本製鐵株式会社 希土類系異方性粉末および希土類系異方性磁石
AT393178B (de) * 1989-10-25 1991-08-26 Boehler Gmbh Permanentmagnet(-werkstoff) sowie verfahren zur herstellung desselben
WO1991016717A1 (en) * 1990-04-23 1991-10-31 Eastman Kodak Company Method of manufacturing high energy rare earth alloy magnets
US5300156A (en) * 1990-07-24 1994-04-05 Kanegafuchi Kagaku Kogyo Kabushiki Kaisha Bonded rare earth magnet and a process for manufacturing the same
US5240627A (en) * 1990-07-24 1993-08-31 Kanegafuchi Kagaku Kogyo Kabushiki Kaisha Bonded rare earth magnet and a process for manufacturing the same
GB9215109D0 (en) * 1992-07-16 1992-08-26 Univ Sheffield Magnetic materials and method of making them
JPH0661022A (ja) * 1992-08-06 1994-03-04 Ii R D:Kk 希土類ボンド磁石の製造方法
DE4228520C2 (de) * 1992-08-27 2000-10-26 Vacuumschmelze Gmbh Verfahren zur Herstellung von dünnwandigen kunststoffgebundenen Dauermagnetformteilen, wie zum Beispiel Schalenmagneten
DE4228519B4 (de) * 1992-08-27 2006-04-27 Vacuumschmelze Gmbh Verfahren zur Herstellung von kunststoffgebundenen anisotropen Dauermagnetformteilen
JPH07106110A (ja) * 1993-10-06 1995-04-21 Yasunori Takahashi 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
GB2308384B (en) * 1995-12-21 1999-09-15 Univ Hull Magnetic materials
FR2748344B1 (fr) * 1996-05-06 1998-10-16 Ugimag Sa Procede d'obtention de materiau magnetiquement anisotrope a base de terres rares et metaux de transition par solidification d'un alliage liquide sous champ orienteur
JPH11329811A (ja) * 1998-05-18 1999-11-30 Sumitomo Special Metals Co Ltd Ｒ−Ｆｅ−Ｂ系磁石用原料粉末並びにＲ−Ｆｅ−Ｂ系磁石の製造方法
JP2001210508A (ja) * 1999-07-05 2001-08-03 Hitachi Metals Ltd アークセグメント磁石、リング磁石及び希土類焼結磁石の製造方法
WO2001020754A1 (en) * 1999-09-16 2001-03-22 Matsushita Electric Industrial Co., Ltd. Permanent magnet field-type compact dc motor and method of making same
US6713017B1 (en) * 1999-11-09 2004-03-30 Ishikawajima-Harima Jukogyo Kabushiki Kaisha Metal-flake manufacturing apparatus
CN1162872C (zh) * 1999-12-27 2004-08-18 住友特殊金属株式会社 铁基磁性材料合金粉末的制造方法
US6596096B2 (en) * 2001-08-14 2003-07-22 General Electric Company Permanent magnet for electromagnetic device and method of making
CN100431745C (zh) * 2005-05-16 2008-11-12 钢铁研究总院 一种软磁合金粉的制造方法
CN1966186B (zh) * 2006-08-10 2010-07-28 江西大有科技有限公司 一种合金软磁粉芯制造方法
WO2015095398A1 (en) 2013-12-17 2015-06-25 Kevin Hagedorn Method and apparatus for manufacturing isotropic magnetic nanocolloids
DE102016216355A1 (de) * 2016-08-30 2018-03-01 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Verfahren zum Recycling von Permanentmagneten durch Schmelzen und Rascherstarren
DE102016216353A1 (de) * 2016-08-30 2018-03-01 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Recyclingverfahren zur Herstellung isotroper, magnetischer Pulver

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5961552A (ja) * 1982-09-29 1984-04-07 Hitachi Metals Ltd 急冷金属製造方法
CA1216623A (en) * 1983-05-09 1987-01-13 John J. Croat Bonded rare earth-iron magnets
JPS60184603A (ja) * 1984-03-01 1985-09-20 Sumitomo Special Metals Co Ltd 永久磁石用合金粉末の成形方法
US4558077A (en) * 1984-03-08 1985-12-10 General Motors Corporation Epoxy bonded rare earth-iron magnets
EP0213410B1 (de) * 1985-08-13 1990-03-14 Siemens Aktiengesellschaft Verfahren zur Herstellung eines metallischen Körpers aus einer insbesondere amorphen Legierung mit zumindest teilweise magnetischen Komponenten
EP0260746A1 (de) * 1986-09-17 1988-03-23 Koninklijke Philips Electronics N.V. Verfahren zur Herstellung von Spänen aus magnetischem Material mit Vorzugsrichtung der Kristallite, Späne und Magnete, die daraus hergestellt sind

Also Published As

Publication number Publication date
EP0284033A1 (de) 1988-09-28
EP0284033B1 (de) 1993-08-11
DE3883038T2 (de) 1994-01-05
US4913745A (en) 1990-04-03

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: NEC TOKIN CORP., SENDAI, MIYAGI, JP

8339 Ceased/non-payment of the annual fee