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.)
Neomax Co 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
Priority to JP57166663A priority Critical patent/JPH0319296B2/ja
Priority to JP58005813A priority patent/JPH0316761B2/ja
Priority to JP58037897A priority patent/JPH0316763B2/ja
Priority to JP58037899A priority patent/JPH0316765B2/ja
Priority to JP58084858A priority patent/JPH0474425B2/ja
Priority to JP58084860A priority patent/JPH0474426B2/ja
Priority to JP58094876A 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
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.
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—BASIC 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 alloys
    • C22C1/04—Making 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—BASIC 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
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)

Priority Applications (7)

Application Number Priority Date Filing Date Title
JP57166663A JPH0319296B2 (en) 1982-09-27 1982-09-27
JP58005813A JPH0316761B2 (en) 1983-01-19 1983-01-19
JP58037897A JPH0316763B2 (en) 1983-03-08 1983-03-08
JP58037899A JPH0316765B2 (en) 1983-03-08 1983-03-08
JP58084858A JPH0474425B2 (en) 1983-05-14 1983-05-14
JP58084860A JPH0474426B2 (en) 1983-05-14 1983-05-14
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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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
CA1280013C (en) * 1983-05-06 1991-02-12 Setsuo Fujimura Isotropic magnets and process for producing same
US4840684A (en) * 1983-05-06 1989-06-20 Sumitomo Special Metals Co, Ltd. Isotropic permanent magnets and process for producing same
JPH0510806B2 (en) * 1983-08-02 1993-02-10 Sumitomo Spec Metals
JPH0510807B2 (en) * 1983-08-04 1993-02-10 Sumitomo Spec Metals
EP0144112B1 (en) * 1983-10-26 1989-09-27 General Motors Corporation 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
DE3587977T2 (en) * 1984-02-28 1995-05-18 Sumitomo Spec Metals Permanent magnets.
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 (en) 1984-09-14 1993-12-29 Kabushiki Kaisha Toshiba Permanent magnetic alloy and method of manufacturing the same
US4767450A (en) * 1984-11-27 1988-08-30 Sumitomo Special Metals Co., Ltd. Process for producing the rare earth alloy powders
USRE34838E (en) * 1984-12-31 1995-01-31 Tdk Corporation Permanent magnet and method for producing same
US4765848A (en) * 1984-12-31 1988-08-23 Kaneo Mohri Permanent magnent 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
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
US4933009A (en) * 1985-06-14 1990-06-12 Union Oil Company Of California Composition for preparing rare earth-iron-boron-permanent magnets
US6136099A (en) * 1985-08-13 2000-10-24 Seiko Epson Corporation Rare earth-iron series permanent magnets and method of preparation
US5538565A (en) * 1985-08-13 1996-07-23 Seiko Epson Corporation Rare earth cast alloy permanent magnets and methods of preparation
FR2586323B1 (en) * 1985-08-13 1992-11-13 Seiko Epson Corp Rare earth-iron permanent magnet
DE3676403D1 (en) * 1985-09-10 1991-02-07 Toshiba Kawasaki Kk PERMANENT MAGNET.
JPS62165305A (en) * 1986-01-16 1987-07-21 Hitachi Metals Ltd Permanent magnet of good thermal stability and manufacture thereof
JPH07105289B2 (en) * 1986-03-06 1995-11-13 信越化学工業株式会社 Rare earth permanent magnet manufacturing method
US4769063A (en) * 1986-03-06 1988-09-06 Sumitomo Special Metals Co., Ltd. Method for producing rare earth alloy
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
US5186761A (en) * 1987-04-30 1993-02-16 Seiko Epson Corporation Magnetic alloy and method of production
US5460662A (en) * 1987-04-30 1995-10-24 Seiko Epson Corporation Permanent magnet and method of production
EP0288637B1 (en) * 1987-04-30 1994-08-10 Seiko Epson Corporation Permanent magnet and method of making the same
EP0261579B1 (en) * 1986-09-16 1993-01-07 Tokin Corporation A method for producing a rare earth metal-iron-boron permanent magnet by use of a rapidly-quenched alloy powder
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
DE3786426T2 (en) * 1986-06-12 1993-12-09 Toshiba Kawasaki Kk Permanent magnet and permanent magnet alloy.
US5041171A (en) * 1986-07-18 1991-08-20 U.S. Philips Corporation Hard magnetic material
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 마쭈노 고오지 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
US5015304A (en) * 1987-05-11 1991-05-14 Union Oil Company Of California Rare earth-iron-boron sintered magnets
JPH01103805A (en) * 1987-07-30 1989-04-20 Tdk Corp Permanent magnet
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 (en) * 1987-09-17 1995-10-18 Shin-Etsu Chemical Co., Ltd. Rare earth iron-based permanent magnet
US5000796A (en) * 1988-02-23 1991-03-19 Eastman Kodak Company Anisotropic high energy magnets and a process of preparing the same
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
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
JPH0432523B2 (en) * 1988-09-20 1992-05-29
JP2843379B2 (en) * 1988-10-04 1999-01-06 日立金属株式会社 Isotropic heat-resistant bonded magnet, method of manufacturing the same, magnetic powder using the same, and PM-type motor using the same
DE3928389C2 (en) * 1989-08-28 1993-01-07 Magnetfabrik Schramberg Gmbh & Co, 7230 Schramberg, De
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
ES2077236T3 (en) * 1990-07-16 1995-11-16 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)

* 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
JPS5743141B2 (en) * 1979-09-27 1982-09-13
JPH0128489B2 (en) * 1981-02-26 1989-06-02 Mitsubishi Steel Mfg
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
EP0106948B1 (en) 1989-01-25
SG48390G (en) 1991-02-14
CA1315571C (en) 1993-04-06
HK68490A (en) 1990-09-07
EP0106948A2 (en) 1984-05-02
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