DE3379084D1 - Permanently magnetizable alloys, magnetic materials and permanent magnets comprising febr or (fe,co)br (r=vave earth) - Google Patents

Permanently magnetizable alloys, magnetic materials and permanent magnets comprising febr or (fe,co)br (r=vave earth)

Info

Publication number
DE3379084D1
DE3379084D1 DE8383107351T DE3379084T DE3379084D1 DE 3379084 D1 DE3379084 D1 DE 3379084D1 DE 8383107351 T DE8383107351 T DE 8383107351T DE 3379084 T DE3379084 T DE 3379084T DE 3379084 D1 DE3379084 D1 DE 3379084D1
Authority
DE
Germany
Prior art keywords
vave
febr
earth
permanent magnets
magnetic materials
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
Application number
DE8383107351T
Other languages
German (de)
Inventor
Masato Sagawa
Setsuo Hanazonodanchi Fujimura
Yutaka Matsuura
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
Sumitomo Special Metals 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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=27563323&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=DE3379084(D1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Priority claimed from JP57166663A external-priority patent/JPS5964733A/en
Priority claimed from JP58005813A external-priority patent/JPS59132104A/en
Priority claimed from JP58037897A external-priority patent/JPS59163803A/en
Priority claimed from JP58037899A external-priority patent/JPS59163805A/en
Priority claimed from JP58084860A external-priority patent/JPS59211559A/en
Priority claimed from JP58084858A external-priority patent/JPS59211551A/en
Priority claimed from JP58094876A external-priority patent/JPH0778269B2/en
Application filed by Sumitomo Special Metals Co Ltd filed Critical Sumitomo Special Metals Co Ltd
Application granted granted Critical
Publication of DE3379084D1 publication Critical patent/DE3379084D1/en
Expired 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)
DE8383107351T 1982-09-27 1983-07-26 Permanently magnetizable alloys, magnetic materials and permanent magnets comprising febr or (fe,co)br (r=vave earth) Expired DE3379084D1 (en)

Applications Claiming Priority (7)

Application Number Priority Date Filing Date Title
JP57166663A JPS5964733A (en) 1982-09-27 1982-09-27 Permanent magnet
JP58005813A JPS59132104A (en) 1983-01-19 1983-01-19 Permanent magnet
JP58037897A JPS59163803A (en) 1983-03-08 1983-03-08 Permanent magnet
JP58037899A JPS59163805A (en) 1983-03-08 1983-03-08 Permanent magnet
JP58084860A JPS59211559A (en) 1983-05-14 1983-05-14 Permanent magnet material
JP58084858A JPS59211551A (en) 1983-05-14 1983-05-14 Permanent magnet material
JP58094876A JPH0778269B2 (en) 1983-05-31 1983-05-31 Rare earth / iron / boron tetragonal compound for permanent magnet

Publications (1)

Publication Number Publication Date
DE3379084D1 true DE3379084D1 (en) 1989-03-02

Family

ID=27563323

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8383107351T Expired DE3379084D1 (en) 1982-09-27 1983-07-26 Permanently magnetizable alloys, magnetic materials and permanent magnets comprising febr or (fe,co)br (r=vave earth)

Country Status (5)

Country Link
EP (1) EP0106948B1 (en)
CA (1) CA1315571C (en)
DE (1) DE3379084D1 (en)
HK (1) HK68490A (en)
SG (1) SG48390G (en)

Families Citing this family (66)

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Publication number Priority date Publication date Assignee Title
CA1316375C (en) * 1982-08-21 1993-04-20 Masato Sagawa Magnetic materials and permanent magnets
US4792368A (en) * 1982-08-21 1988-12-20 Sumitomo Special Metals Co., Ltd. Magnetic materials and permanent magnets
US4840684A (en) * 1983-05-06 1989-06-20 Sumitomo Special Metals Co, Ltd. Isotropic permanent magnets and process for producing same
US4767474A (en) * 1983-05-06 1988-08-30 Sumitomo Special Metals Co., Ltd. Isotropic magnets and process for producing same
JPS6032306A (en) * 1983-08-02 1985-02-19 Sumitomo Special Metals Co Ltd Permanent magnet
JPS6034005A (en) * 1983-08-04 1985-02-21 Sumitomo Special Metals Co Ltd Permanent magnet
DE3479940D1 (en) * 1983-10-26 1989-11-02 Gen Motors Corp High energy product rare earth-transition metal magnet alloys containing boron
EP0338597B1 (en) * 1984-02-28 1995-01-11 Sumitomo Special Metals Co., Ltd. Permanent magnets
DE3575231D1 (en) * 1984-02-28 1990-02-08 Sumitomo Spec Metals METHOD FOR PRODUCING PERMANENT MAGNETS.
US5529854A (en) * 1984-09-12 1996-06-25 Seiko Epson Corporation Magneto-optic recording systems
US5100741A (en) * 1984-09-12 1992-03-31 Seiko Epson Corporation Magneto-optic recording systems
DE3577618D1 (en) * 1984-09-14 1990-06-13 Toshiba Kawasaki Kk PERMANENT MAGNETIC ALLOY AND METHOD FOR THEIR PRODUCTION.
US4767450A (en) * 1984-11-27 1988-08-30 Sumitomo Special Metals Co., Ltd. Process for producing the rare earth alloy powders
US4765848A (en) * 1984-12-31 1988-08-23 Kaneo Mohri Permanent magnent and method for producing same
USRE34838E (en) * 1984-12-31 1995-01-31 Tdk Corporation Permanent magnet and method for producing same
NL8500534A (en) * 1985-02-26 1986-09-16 Philips Nv MAGNETIC MATERIAL CONTAINING AN INTERMETALLIC CONNECTION OF THE RARE EARTH TRANSITION METAL TYPE.
JPH0789521B2 (en) * 1985-03-28 1995-09-27 株式会社東芝 Rare earth iron permanent magnet
US4588439A (en) * 1985-05-20 1986-05-13 Crucible Materials Corporation Oxygen containing permanent magnet alloy
US4933009A (en) * 1985-06-14 1990-06-12 Union Oil Company Of California Composition for preparing rare earth-iron-boron-permanent magnets
US4762574A (en) * 1985-06-14 1988-08-09 Union Oil Company Of California Rare earth-iron-boron premanent magnets
US4952252A (en) * 1985-06-14 1990-08-28 Union Oil Company Of California Rare earth-iron-boron-permanent magnets
FR2586323B1 (en) * 1985-08-13 1992-11-13 Seiko Epson Corp RARE EARTH-IRON PERMANENT MAGNET
US5538565A (en) * 1985-08-13 1996-07-23 Seiko Epson Corporation Rare earth cast alloy permanent magnets and methods of preparation
US6136099A (en) * 1985-08-13 2000-10-24 Seiko Epson Corporation Rare earth-iron series permanent magnets and method of preparation
EP0216254B1 (en) * 1985-09-10 1991-01-02 Kabushiki Kaisha Toshiba Permanent magnet
JPS62165305A (en) * 1986-01-16 1987-07-21 Hitachi Metals Ltd Permanent magnet of good thermal stability and manufacture thereof
US4769063A (en) * 1986-03-06 1988-09-06 Sumitomo Special Metals Co., Ltd. Method for producing rare earth alloy
JPH07105289B2 (en) * 1986-03-06 1995-11-13 信越化学工業株式会社 Rare earth permanent magnet manufacturing method
JP2530641B2 (en) * 1986-03-20 1996-09-04 日立金属株式会社 Magnetically anisotropic bonded magnet, magnetic powder used therefor, and method for producing the same
US4954186A (en) * 1986-05-30 1990-09-04 Union Oil Company Of California Rear earth-iron-boron permanent magnets containing aluminum
US4878958A (en) * 1986-05-30 1989-11-07 Union Oil Company Of California Method for preparing rare earth-iron-boron permanent magnets
US4747874A (en) * 1986-05-30 1988-05-31 Union Oil Company Of California Rare earth-iron-boron permanent magnets with enhanced coercivity
KR880000992A (en) * 1986-06-12 1988-03-30 와다리 스기이찌로오 Permanent magnet
US5041171A (en) * 1986-07-18 1991-08-20 U.S. Philips Corporation Hard magnetic material
DE3783413T2 (en) * 1986-09-16 1993-05-27 Tokin Corp METHOD FOR PRODUCING A RARE-EARTH IRON BOR PERMANENT MAGNET WITH THE AID OF A QUARKED ALLOY POWDER.
US4983232A (en) * 1987-01-06 1991-01-08 Hitachi Metals, Ltd. Anisotropic magnetic powder and magnet thereof and method of producing same
KR900006533B1 (en) * 1987-01-06 1990-09-07 히다찌 긴조꾸 가부시끼가이샤 Anisotropic magnetic materials and magnets made with it and making method for it
US4902360A (en) * 1987-02-04 1990-02-20 Crucible Materials Corporation Permanent magnet alloy for elevated temperature applications
US4942098A (en) * 1987-03-26 1990-07-17 Sumitomo Special Metals, Co., Ltd. Corrosion resistant permanent magnet
GB8707905D0 (en) * 1987-04-02 1987-05-07 Univ Birmingham Magnets
KR880013194A (en) * 1987-04-06 1988-11-30 원본미기재 Permanent magnet and its manufacturing method
US5186761A (en) * 1987-04-30 1993-02-16 Seiko Epson Corporation Magnetic alloy and method of production
ATE109921T1 (en) * 1987-04-30 1994-08-15 Seiko Epson Corp PERMANENT MAGNET AND ITS MANUFACTURING PROCESS.
US5460662A (en) * 1987-04-30 1995-10-24 Seiko Epson Corporation Permanent magnet and method of production
US5015304A (en) * 1987-05-11 1991-05-14 Union Oil Company Of California Rare earth-iron-boron sintered magnets
US5022939A (en) * 1987-07-30 1991-06-11 Tdk Corporation Permanent magnets
JPH01103805A (en) * 1987-07-30 1989-04-20 Tdk Corp Permanent magnet
JPS6472502A (en) * 1987-09-11 1989-03-17 Hitachi Metals Ltd Permanent magnet for accelerating particle beam
EP0386286B1 (en) * 1987-09-17 1995-10-18 Shin-Etsu Chemical Co., Ltd. Rare earth iron-based permanent magnet
US4985085A (en) * 1988-02-23 1991-01-15 Eastman Kodak Company Method of making anisotropic magnets
US4892596A (en) * 1988-02-23 1990-01-09 Eastman Kodak Company Method of making fully dense anisotropic high energy magnets
US5000796A (en) * 1988-02-23 1991-03-19 Eastman Kodak Company Anisotropic high energy magnets and a process of preparing the same
JP2741508B2 (en) * 1988-02-29 1998-04-22 住友特殊金属株式会社 Magnetic anisotropic sintered magnet and method of manufacturing the same
US5000800A (en) * 1988-06-03 1991-03-19 Masato Sagawa Permanent magnet and method for producing the same
JPH0283905A (en) * 1988-09-20 1990-03-26 Sumitomo Special Metals Co Ltd Corrosion-resistant permanent magnet and manufacture thereof
DE68925506T2 (en) * 1988-10-04 1996-09-19 Hitachi Metals Ltd Bound R-Fe-B magnet and manufacturing method
DE3928389A1 (en) * 1989-08-28 1991-03-14 Schramberg Magnetfab PERMANENT MAGNET
JPH0391205A (en) * 1989-09-01 1991-04-16 Matsushita Electric Ind Co Ltd Anisotropic permanent magnet
US5201963A (en) * 1989-10-26 1993-04-13 Nippon Steel Corporation Rare earth magnets and method of producing same
EP0539592B1 (en) * 1990-07-16 1995-07-05 Aura Systems, Inc. Magnetic material
US5478411A (en) * 1990-12-21 1995-12-26 Provost, Fellows And Scholars Of The College Of The Holy And Undivided Trinity Of Queen Elizabeth Near Dublin Magnetic materials and processes for their production
EP1014392B9 (en) 1998-12-15 2004-11-24 Shin-Etsu Chemical Co., Ltd. Rare earth/iron/boron-based permanent magnet alloy composition
US6833036B2 (en) * 2001-06-29 2004-12-21 Tdk Corporation Rare earth permanent magnet
US6955729B2 (en) * 2002-04-09 2005-10-18 Aichi Steel Corporation Alloy for bonded magnets, isotropic magnet powder and anisotropic magnet powder and their production method, and bonded magnet
CN1934283B (en) 2004-06-22 2011-07-27 信越化学工业株式会社 R-Fe-B-based rare earth permanent magnet material
CN103668007B (en) * 2013-12-19 2015-08-19 南京信息工程大学 One has high saturated magnetic induction microcrystallizing alloy strip and preparation method

Family Cites Families (6)

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Publication number Priority date Publication date Assignee Title
JPS5250598A (en) * 1975-10-20 1977-04-22 Seiko Instr & Electronics Ltd Rare earth-cobalt magnet
JPS55132004A (en) * 1979-04-02 1980-10-14 Seiko Instr & Electronics Ltd Manufacture of rare earth metal and cobalt magnet
JPS5647538A (en) * 1979-09-27 1981-04-30 Hitachi Metals Ltd Alloy for permanent magnet
JPS57141901A (en) * 1981-02-26 1982-09-02 Mitsubishi Steel Mfg Co Ltd Permanent magnet powder
CA1316375C (en) * 1982-08-21 1993-04-20 Masato Sagawa Magnetic materials and permanent magnets
DE3379131D1 (en) * 1982-09-03 1989-03-09 Gen Motors Corp Re-tm-b alloys, method for their production and permanent magnets containing such alloys

Also Published As

Publication number Publication date
SG48390G (en) 1991-02-14
HK68490A (en) 1990-09-07
EP0106948A2 (en) 1984-05-02
EP0106948B1 (en) 1989-01-25
CA1315571C (en) 1993-04-06
EP0106948A3 (en) 1985-03-13

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Legal Events

Date Code Title Description
8363 Opposition against the patent
8365 Fully valid after opposition proceedings