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CA1315571C - Materiaux magnetiques et aimants permanents - Google Patents

Materiaux magnetiques et aimants permanents

Info

Publication number
CA1315571C
CA1315571C CA000433188A CA433188A CA1315571C CA 1315571 C CA1315571 C CA 1315571C CA 000433188 A CA000433188 A CA 000433188A CA 433188 A CA433188 A CA 433188A CA 1315571 C CA1315571 C CA 1315571C
Authority
CA
Canada
Prior art keywords
permanent magnet
less
percent
rare earth
amount
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
CA000433188A
Other languages
English (en)
Inventor
Masato Sagawa
Setsuo 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=CA1315571(C) "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/ja
Priority claimed from JP58005813A external-priority patent/JPS59132104A/ja
Priority claimed from JP58037897A external-priority patent/JPS59163803A/ja
Priority claimed from JP58037899A external-priority patent/JPS59163805A/ja
Priority claimed from JP58084860A external-priority patent/JPS59211559A/ja
Priority claimed from JP58084858A external-priority patent/JPS59211551A/ja
Priority claimed from JP58094876A external-priority patent/JPH0778269B2/ja
Application filed by Sumitomo Special Metals Co Ltd filed Critical Sumitomo Special Metals Co Ltd
Publication of CA1315571C publication Critical patent/CA1315571C/fr
Application granted granted Critical
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)
CA000433188A 1982-08-21 1983-07-26 Materiaux magnetiques et aimants permanents Expired - Lifetime CA1315571C (fr)

Applications Claiming Priority (15)

Application Number Priority Date Filing Date Title
JP145072/1982 1982-08-21
JP166663/1982 1982-09-27
JP57166663A JPS5964733A (ja) 1982-09-27 1982-09-27 永久磁石
JP58005813A JPS59132104A (ja) 1983-01-19 1983-01-19 永久磁石
JP5813/1983 1983-01-19
JP58037899A JPS59163805A (ja) 1983-03-08 1983-03-08 永久磁石用合金
JP37897/1983 1983-03-08
JP37899/1983 1983-03-08
JP58037897A JPS59163803A (ja) 1983-03-08 1983-03-08 永久磁石用合金
JP58084860A JPS59211559A (ja) 1983-05-14 1983-05-14 永久磁石材料
JP84860/1983 1983-05-14
JP58084858A JPS59211551A (ja) 1983-05-14 1983-05-14 永久磁石材料
JP84858/1983 1983-05-14
JP58094876A JPH0778269B2 (ja) 1983-05-31 1983-05-31 永久磁石用希土類・鉄・ボロン系正方晶化合物
JP94876/1983 1983-05-31

Publications (1)

Publication Number Publication Date
CA1315571C true CA1315571C (fr) 1993-04-06

Family

ID=27563323

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000433188A Expired - Lifetime CA1315571C (fr) 1982-08-21 1983-07-26 Materiaux magnetiques et aimants permanents

Country Status (5)

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

Families Citing this family (66)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1316375C (fr) * 1982-08-21 1993-04-20 Masato Sagawa Materiaux magnetiques et aimants permanents
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
EP0125347B1 (fr) * 1983-05-06 1990-04-18 Sumitomo Special Metals Co., Ltd. Aimants isotropes et procédé pour leur fabrication
JPS6032306A (ja) * 1983-08-02 1985-02-19 Sumitomo Special Metals Co Ltd 永久磁石
JPS6034005A (ja) * 1983-08-04 1985-02-21 Sumitomo Special Metals Co Ltd 永久磁石
EP0144112B1 (fr) * 1983-10-26 1989-09-27 General Motors Corporation Alliages magnétiques à produit d'énergie élevé à base de terres rares, métaux de transition et bor
EP0338597B1 (fr) * 1984-02-28 1995-01-11 Sumitomo Special Metals Co., Ltd. Aimants permanents
EP0153744B1 (fr) * 1984-02-28 1990-01-03 Sumitomo Special Metals Co., Ltd. Procédé de fabrication d'aimants permanents
US5100741A (en) * 1984-09-12 1992-03-31 Seiko Epson Corporation Magneto-optic recording systems
US5529854A (en) * 1984-09-12 1996-06-25 Seiko Epson Corporation Magneto-optic recording systems
EP0175214B2 (fr) * 1984-09-14 1993-12-29 Kabushiki Kaisha Toshiba Alliage magnétique permanent et méthode pour sa fabrication
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 (nl) * 1985-02-26 1986-09-16 Philips Nv Magnetisch materiaal bevattende een intermetallische verbinding van het zeldzame aarden-overgangsmetaal type.
JPH0789521B2 (ja) * 1985-03-28 1995-09-27 株式会社東芝 希土類鉄系永久磁石
US4588439A (en) * 1985-05-20 1986-05-13 Crucible Materials Corporation Oxygen containing permanent magnet alloy
US4952252A (en) * 1985-06-14 1990-08-28 Union Oil Company Of California Rare earth-iron-boron-permanent magnets
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
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
FR2586323B1 (fr) * 1985-08-13 1992-11-13 Seiko Epson Corp Aimant permanent a base de terres rares-fer
DE3676403D1 (de) * 1985-09-10 1991-02-07 Toshiba Kawasaki Kk Dauermagnet.
JPS62165305A (ja) * 1986-01-16 1987-07-21 Hitachi Metals Ltd 熱安定性良好な永久磁石およびその製造方法
US4769063A (en) * 1986-03-06 1988-09-06 Sumitomo Special Metals Co., Ltd. Method for producing rare earth alloy
JPH07105289B2 (ja) * 1986-03-06 1995-11-13 信越化学工業株式会社 希土類永久磁石の製造方法
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
US4954186A (en) * 1986-05-30 1990-09-04 Union Oil Company Of California Rear earth-iron-boron permanent magnets containing aluminum
US4747874A (en) * 1986-05-30 1988-05-31 Union Oil Company Of California Rare earth-iron-boron permanent magnets with enhanced coercivity
US4878958A (en) * 1986-05-30 1989-11-07 Union Oil Company Of California Method for preparing rare earth-iron-boron permanent magnets
KR880000992A (ko) * 1986-06-12 1988-03-30 와다리 스기이찌로오 영구자석
US5041171A (en) * 1986-07-18 1991-08-20 U.S. Philips Corporation Hard magnetic material
EP0261579B1 (fr) * 1986-09-16 1993-01-07 Tokin Corporation Méthode pour la fabrication d'un aimant permanent terre métal rare-fer-bore utilisant une poudre en alliage refroidi brusquement
KR900006533B1 (ko) * 1987-01-06 1990-09-07 히다찌 긴조꾸 가부시끼가이샤 이방성 자성분말과 이의 자석 및 이의 제조방법
US4983232A (en) * 1987-01-06 1991-01-08 Hitachi Metals, Ltd. Anisotropic magnetic powder and magnet thereof and method of producing same
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 (ko) * 1987-04-06 1988-11-30 원본미기재 영구자석 및 그 제조방법
US5460662A (en) * 1987-04-30 1995-10-24 Seiko Epson Corporation Permanent magnet and method of production
US5186761A (en) * 1987-04-30 1993-02-16 Seiko Epson Corporation Magnetic alloy and method of production
ATE109921T1 (de) * 1987-04-30 1994-08-15 Seiko Epson Corp Dauermagnet und sein herstellungsverfahren.
US5015304A (en) * 1987-05-11 1991-05-14 Union Oil Company Of California Rare earth-iron-boron sintered magnets
JPH01103805A (ja) * 1987-07-30 1989-04-20 Tdk Corp 永久磁石
US5022939A (en) * 1987-07-30 1991-06-11 Tdk Corporation Permanent magnets
JPS6472502A (en) * 1987-09-11 1989-03-17 Hitachi Metals Ltd Permanent magnet for accelerating particle beam
EP0386286B1 (fr) * 1987-09-17 1995-10-18 Shin-Etsu Chemical Co., Ltd. Aimant permanent à base de métal de terre rare et de fer
US4985085A (en) * 1988-02-23 1991-01-15 Eastman Kodak Company Method of making anisotropic magnets
US5000796A (en) * 1988-02-23 1991-03-19 Eastman Kodak Company Anisotropic high energy magnets and a process of preparing the same
US4892596A (en) * 1988-02-23 1990-01-09 Eastman Kodak Company Method of making fully dense anisotropic high energy magnets
JP2741508B2 (ja) * 1988-02-29 1998-04-22 住友特殊金属株式会社 磁気異方性焼結磁石とその製造方法
US5000800A (en) * 1988-06-03 1991-03-19 Masato Sagawa Permanent magnet and method for producing the same
JPH0283905A (ja) * 1988-09-20 1990-03-26 Sumitomo Special Metals Co Ltd 耐食性永久磁石およびその製造方法
EP0362812B1 (fr) * 1988-10-04 1996-01-24 Hitachi Metals, Ltd. Aimant isotropique R-Fe-B à liant et méthode de production
DE3928389A1 (de) * 1989-08-28 1991-03-14 Schramberg Magnetfab Permanentmagnet
JPH0391205A (ja) * 1989-09-01 1991-04-16 Matsushita Electric Ind Co Ltd 異方性永久磁石
US5201963A (en) * 1989-10-26 1993-04-13 Nippon Steel Corporation Rare earth magnets and method of producing same
ES2077236T3 (es) * 1990-07-16 1995-11-16 Aura Systems Inc Material magnetico.
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
DE69916764T2 (de) * 1998-12-15 2005-03-31 Shin-Etsu Chemical Co., Ltd. Auf Seltenerd/Eisen/Bor basierte Legierung für Dauermagnet
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
EP1712652A4 (fr) 2004-06-22 2010-10-13 Shinetsu Chemical Co Materiau magnetique permanent de terre rare a base de r-fe-b.
CN103668007B (zh) * 2013-12-19 2015-08-19 南京信息工程大学 一种具有高饱和磁感应强度微晶合金薄带及制备方法

Family Cites Families (6)

* Cited by examiner, † Cited by third party
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 (fr) * 1982-08-21 1993-04-20 Masato Sagawa Materiaux magnetiques et aimants permanents
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
EP0106948A2 (fr) 1984-05-02
DE3379084D1 (en) 1989-03-02
HK68490A (en) 1990-09-07
EP0106948A3 (en) 1985-03-13
SG48390G (en) 1991-02-14
EP0106948B1 (fr) 1989-01-25

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