DE69105022T2 - Verfahren zur Erzeugung eines Seltenerd-Eisen-Bor Magneten. - Google Patents

Verfahren zur Erzeugung eines Seltenerd-Eisen-Bor Magneten.

Info

Publication number
DE69105022T2
DE69105022T2 DE69105022T DE69105022T DE69105022T2 DE 69105022 T2 DE69105022 T2 DE 69105022T2 DE 69105022 T DE69105022 T DE 69105022T DE 69105022 T DE69105022 T DE 69105022T DE 69105022 T2 DE69105022 T2 DE 69105022T2
Authority
DE
Germany
Prior art keywords
producing
rare earth
iron boron
boron magnet
earth iron
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
DE69105022T
Other languages
English (en)
Other versions
DE69105022D1 (de
Inventor
Fumitoshi Yamashita
Masami Wada
Takeichi Ota
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
Application filed by Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Publication of DE69105022D1 publication Critical patent/DE69105022D1/de
Application granted granted Critical
Publication of DE69105022T2 publication Critical patent/DE69105022T2/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
    • 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
    • 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
    • B22F1/00—Metallic powder; Treatment of metallic powder, e.g. to facilitate working or to improve properties
    • B22F1/14—Treatment of metallic powder
    • B22F1/142—Thermal or thermo-mechanical treatment
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Hard Magnetic Materials (AREA)
  • Manufacturing Cores, Coils, And Magnets (AREA)
  • Powder Metallurgy (AREA)
DE69105022T 1990-03-30 1991-04-02 Verfahren zur Erzeugung eines Seltenerd-Eisen-Bor Magneten. Expired - Lifetime DE69105022T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2086547A JP2780429B2 (ja) 1990-03-30 1990-03-30 希土類―鉄系磁石の製造方法

Publications (2)

Publication Number Publication Date
DE69105022D1 DE69105022D1 (de) 1994-12-15
DE69105022T2 true DE69105022T2 (de) 1995-03-23

Family

ID=13890032

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69105022T Expired - Lifetime DE69105022T2 (de) 1990-03-30 1991-04-02 Verfahren zur Erzeugung eines Seltenerd-Eisen-Bor Magneten.

Country Status (4)

Country Link
US (1) US5167915A (de)
EP (1) EP0449665B1 (de)
JP (1) JP2780429B2 (de)
DE (1) DE69105022T2 (de)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
US5514224A (en) * 1993-11-05 1996-05-07 Magnequench International, Inc. High remanence hot pressed magnets
KR100424142B1 (ko) * 2000-05-31 2004-03-24 한국표준과학연구원 희토류계 영구자석의 제조방법
US6772961B2 (en) * 2000-06-16 2004-08-10 Ati Properties, Inc. Methods and apparatus for spray forming, atomization and heat transfer
US8891583B2 (en) 2000-11-15 2014-11-18 Ati Properties, Inc. Refining and casting apparatus and method
US6496529B1 (en) 2000-11-15 2002-12-17 Ati Properties, Inc. Refining and casting apparatus and method
US7504920B2 (en) * 2001-09-26 2009-03-17 Tekonsha Engineering Company Magnetic brake assembly
AU2003236275A1 (en) * 2002-04-12 2003-10-27 Sumitomo Special Metals Co., Ltd. Method for press molding rare earth alloy powder and method for producing sintered object of rare earth alloy
KR100589738B1 (ko) 2004-10-28 2006-06-19 주식회사 테슬라 ＮｄＦｅＢ영구자석의 제조방법
US7803211B2 (en) 2005-09-22 2010-09-28 Ati Properties, Inc. Method and apparatus for producing large diameter superalloy ingots
US8748773B2 (en) 2007-03-30 2014-06-10 Ati Properties, Inc. Ion plasma electron emitters for a melting furnace
WO2008121630A1 (en) 2007-03-30 2008-10-09 Ati Properties, Inc. Melting furnace including wire-discharge ion plasma electron emitter
US7798199B2 (en) 2007-12-04 2010-09-21 Ati Properties, Inc. Casting apparatus and method
US8821650B2 (en) 2009-08-04 2014-09-02 The Boeing Company Mechanical improvement of rare earth permanent magnets
US8747956B2 (en) 2011-08-11 2014-06-10 Ati Properties, Inc. Processes, systems, and apparatus for forming products from atomized metals and alloys
CN113450984B (zh) * 2020-03-26 2024-05-17 Tdk株式会社 R－t－b系永久磁铁
CN113450983B (zh) * 2020-03-26 2024-05-17 Tdk株式会社 R－t－b系永久磁铁

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3213491A (en) * 1961-12-18 1965-10-26 United Aircraft Corp Hardcoated mold press die
DE1263733B (de) * 1964-03-24 1968-03-21 Euratom Verfahren und Vorrichtung zum Schmelzen von Urandioxyd
US3567903A (en) * 1968-07-19 1971-03-02 Quanta Welding Co Method of bonding particles into unitary bodies
US4851058A (en) * 1982-09-03 1989-07-25 General Motors Corporation High energy product rare earth-iron magnet alloys
CA1236381A (en) * 1983-08-04 1988-05-10 Robert W. Lee Iron-rare earth-boron permanent magnets by hot working
JPS62209805A (ja) * 1986-03-10 1987-09-16 Agency Of Ind Science & Technol Ｚｎ−２２Ａ１超塑性合金粉末を用いた複合磁性材料の成形方法
JP2530641B2 (ja) * 1986-03-20 1996-09-04 日立金属株式会社 磁気異方性ボンド磁石、それに用いる磁粉及びその製造方法
JPS6477102A (en) * 1987-09-18 1989-03-23 Hitachi Metals Ltd Magnet for disc rotor type brushless motor
US4834812A (en) * 1987-11-02 1989-05-30 Union Oil Company Of California Method for producing polymer-bonded magnets from rare earth-iron-boron compositions
US4832891A (en) * 1987-11-25 1989-05-23 Eastman Kodak Company Method of making an epoxy bonded rare earth-iron magnet
JPH01175705A (ja) * 1987-12-29 1989-07-12 Daido Steel Co Ltd 希土類磁石の製造方法
US4929415A (en) * 1988-03-01 1990-05-29 Kenji Okazaki Method of sintering powder
EP0378698B1 (de) * 1988-06-21 1993-12-15 Matsushita Electric Industrial Co., Ltd. Verfahren zur herstellung eines dauermagnetes
US4881985A (en) * 1988-08-05 1989-11-21 General Motors Corporation Method for producing anisotropic RE-FE-B type magnetically aligned material
DE68915680T2 (de) * 1988-10-17 1994-12-15 Philips Nv Verfahren zum Herstellen eines Dauermagneten.

Also Published As

Publication number Publication date
EP0449665B1 (de) 1994-11-09
DE69105022D1 (de) 1994-12-15
EP0449665A1 (de) 1991-10-02
US5167915A (en) 1992-12-01
JPH03284809A (ja) 1991-12-16
JP2780429B2 (ja) 1998-07-30

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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: PANASONIC CORP., KADOMA, OSAKA, JP