DE3784575T2 - Dauermagnet-material. - Google Patents

Dauermagnet-material.

Info

Publication number
DE3784575T2
DE3784575T2 DE8787306435T DE3784575T DE3784575T2 DE 3784575 T2 DE3784575 T2 DE 3784575T2 DE 8787306435 T DE8787306435 T DE 8787306435T DE 3784575 T DE3784575 T DE 3784575T DE 3784575 T2 DE3784575 T2 DE 3784575T2
Authority
DE
Germany
Prior art keywords
beta
alpha
amount
element selected
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
DE8787306435T
Other languages
German (de)
English (en)
Other versions
DE3784575D1 (de
Inventor
Tomohisa Arai
Seiki Sato
Naoyuki Sori
Nobuo Uchida
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.)
Toshiba Corp
Original Assignee
Toshiba 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 Toshiba Corp filed Critical Toshiba Corp
Application granted granted Critical
Publication of DE3784575D1 publication Critical patent/DE3784575D1/de
Publication of DE3784575T2 publication Critical patent/DE3784575T2/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
    • H01F1/0577—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
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C1/00—Making non-ferrous alloys
    • C22C1/04—Making non-ferrous alloys by powder metallurgy
    • C22C1/0433—Nickel- or cobalt-based alloys
    • C22C1/0441—Alloys based on intermetallic compounds of the type rare earth - Co, Ni
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Power Engineering (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Hard Magnetic Materials (AREA)
  • Control Of Positive-Displacement Pumps (AREA)
  • Powder Metallurgy (AREA)
DE8787306435T 1986-07-23 1987-07-21 Dauermagnet-material. Expired - Lifetime DE3784575T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP61173200A JPS6328844A (ja) 1986-07-23 1986-07-23 永久磁石材料

Publications (2)

Publication Number Publication Date
DE3784575D1 DE3784575D1 (de) 1993-04-15
DE3784575T2 true DE3784575T2 (de) 1993-06-17

Family

ID=15955961

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8787306435T Expired - Lifetime DE3784575T2 (de) 1986-07-23 1987-07-21 Dauermagnet-material.

Country Status (5)

Country Link
US (1) US4734131A (enExample)
EP (1) EP0254529B1 (enExample)
JP (1) JPS6328844A (enExample)
KR (1) KR900006194B1 (enExample)
DE (1) DE3784575T2 (enExample)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0248665B1 (en) * 1986-06-06 1994-05-18 Seiko Instruments Inc. Rare earth-iron magnet and method of making same
JPH01225101A (ja) * 1988-03-04 1989-09-08 Shin Etsu Chem Co Ltd 希土類永久磁石
JP2787580B2 (ja) * 1988-10-06 1998-08-20 眞人 佐川 熱処理性がすぐれたＮｄ−Ｆｅ−Ｂ系焼結磁石
US4911882A (en) * 1989-02-08 1990-03-27 Sps Technologies, Inc. Process for producing permanent magnets
JP2774372B2 (ja) * 1990-09-20 1998-07-09 三菱製鋼株式会社 永久磁石粉末
GB9022033D0 (en) * 1990-10-10 1990-11-21 Lee Victor C A method of making a material with permanent magnetic properties
DE69200130T2 (de) * 1991-03-27 1994-09-22 Toshiba Kawasaki Kk Magnetisches Material.
CN1035700C (zh) * 1992-07-07 1997-08-20 上海跃龙有色金属有限公司 稀土磁性合金粉末制造方法及其产品
US6332933B1 (en) 1997-10-22 2001-12-25 Santoku Corporation Iron-rare earth-boron-refractory metal magnetic nanocomposites
TW493185B (en) 1998-07-13 2002-07-01 Santoku Inc High performance iron-rare earth-boron-refractory-cobalt nanocomposites
WO2004046409A2 (en) * 2002-11-18 2004-06-03 Iowa State University Research Foundation, Inc. Permanent magnet alloy with improved high temperature performance
US6979409B2 (en) * 2003-02-06 2005-12-27 Magnequench, Inc. Highly quenchable Fe-based rare earth materials for ferrite replacement
US20100056290A1 (en) * 2008-08-27 2010-03-04 Byron Smith Detachable Putter Head
JP5107198B2 (ja) * 2008-09-22 2012-12-26 株式会社東芝 永久磁石および永久磁石の製造方法並びにそれを用いたモータ
US8821650B2 (en) * 2009-08-04 2014-09-02 The Boeing Company Mechanical improvement of rare earth permanent magnets
JP6129813B2 (ja) * 2014-12-05 2017-05-17 株式会社東芝 モータまたは発電機、および車
JP6129812B2 (ja) * 2014-12-05 2017-05-17 株式会社東芝 永久磁石
CN105931776B (zh) * 2016-05-31 2017-09-08 宁波宁港永磁材料有限公司 一种高性能钐钴永磁体的制备方法
CN106653264B (zh) * 2016-11-28 2019-05-10 宁波科星材料科技有限公司 一种钐钴基复合磁性材料制备方法及钐钴基复合磁性材料

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3874938A (en) * 1971-04-06 1975-04-01 Int Nickel Co Hot working of dispersion-strengthened heat resistant alloys and the product thereof
US4030946A (en) * 1976-04-13 1977-06-21 Carpenter Technology Corporation Eliminating prior particle boundary delineation
US4104787A (en) * 1977-03-21 1978-08-08 General Motors Corporation Forming curved wafer thin magnets from rare earth-cobalt alloy powders
JPS55115304A (en) * 1979-02-28 1980-09-05 Daido Steel Co Ltd Permanent magnet material
JPS5647542A (en) * 1979-09-27 1981-04-30 Hitachi Metals Ltd Alloy for permanent magnet
JPS5647540A (en) * 1979-09-27 1981-04-30 Hitachi Metals Ltd Alloy for permanent magnet
JPS57120307A (en) * 1981-01-19 1982-07-27 Seiko Epson Corp Rare earth cobalt permanent magnet
JPS57141901A (en) * 1981-02-26 1982-09-02 Mitsubishi Steel Mfg Co Ltd Permanent magnet powder
JPS5822351A (ja) * 1981-08-04 1983-02-09 Seiko Epson Corp 希土類永久磁石
JPS59153859A (ja) * 1983-02-23 1984-09-01 Daido Steel Co Ltd 磁石合金
US4597938A (en) * 1983-05-21 1986-07-01 Sumitomo Special Metals Co., Ltd. Process for producing permanent magnet materials
US4601875A (en) * 1983-05-25 1986-07-22 Sumitomo Special Metals Co., Ltd. Process for producing magnetic materials
US4585473A (en) * 1984-04-09 1986-04-29 Crucible Materials Corporation Method for making rare-earth element containing permanent magnets
US4678634A (en) * 1985-04-18 1987-07-07 Shin-Etsu Chemical Co., Ltd. Method for the preparation of an anisotropic sintered permanent magnet

Also Published As

Publication number Publication date
JPH0322457B2 (enExample) 1991-03-26
EP0254529A3 (en) 1989-08-23
US4734131A (en) 1988-03-29
EP0254529B1 (en) 1993-03-10
KR900006194B1 (ko) 1990-08-25
KR880002201A (ko) 1988-04-29
EP0254529A2 (en) 1988-01-27
DE3784575D1 (de) 1993-04-15
JPS6328844A (ja) 1988-02-06

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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)