GB2021147A - Permanent Magnet Materials - Google Patents

Permanent Magnet Materials

Info

Publication number
GB2021147A
GB2021147A GB7910056A GB7910056A GB2021147A GB 2021147 A GB2021147 A GB 2021147A GB 7910056 A GB7910056 A GB 7910056A GB 7910056 A GB7910056 A GB 7910056A GB 2021147 A GB2021147 A GB 2021147A
Authority
GB
United Kingdom
Prior art keywords
permanent magnet
magnet materials
col
represented
xcuufevhfwmx
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.)
Granted
Application number
GB7910056A
Other versions
GB2021147B (en
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.)
Suwa Seikosha KK
Original Assignee
Suwa Seikosha KK
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 Suwa Seikosha KK filed Critical Suwa Seikosha KK
Publication of GB2021147A publication Critical patent/GB2021147A/en
Application granted granted Critical
Publication of GB2021147B publication Critical patent/GB2021147B/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C19/00—Alloys based on nickel or cobalt
    • C22C19/07—Alloys based on nickel or cobalt based on cobalt
    • 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

Abstract

A material for a permanent magnet contains as base components thereof Co and R, R being at least one rare earth metal, the said material having a composition in terms of atomic ratio represented by the general formula: R{Col-u-v-wCuuFevHfw}z, wherein 0<u</=0.20 0.01<v</=0.60 0.005<w</=0.05 6.5</=z</=8.8 The Hf may be combined with at least one of Ti, V, Cr, Zr, Nb, Mo, Ta, W, Ru, Rh, Pd, Ag, Cd, Pt and Au, and the material may be represented R[Col-u-v-w-xCuuFevHfwMx]z wherein M is one or plurality of the above mentioned elements, and 0.003<x</=0.05.
GB7910056A 1978-03-23 1979-03-22 Permanent magnet materials Expired GB2021147B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP53033394A JPS5814865B2 (en) 1978-03-23 1978-03-23 permanent magnet material

Publications (2)

Publication Number Publication Date
GB2021147A true GB2021147A (en) 1979-11-28
GB2021147B GB2021147B (en) 1982-06-03

Family

ID=12385364

Family Applications (1)

Application Number Title Priority Date Filing Date
GB7910056A Expired GB2021147B (en) 1978-03-23 1979-03-22 Permanent magnet materials

Country Status (6)

Country Link
JP (1) JPS5814865B2 (en)
CH (1) CH636729A5 (en)
GB (1) GB2021147B (en)
HK (1) HK87385A (en)
MY (1) MY8700005A (en)
SG (1) SG22085G (en)

Cited By (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2485039A1 (en) * 1980-05-23 1981-12-24 Shinetsu Chemical Co ALLOYS CONTAINING LANTHANIDES FOR THE PRODUCTION OF PERMANENT MAGNETS
EP0126179A1 (en) * 1983-05-21 1984-11-28 Sumitomo Special Metals Co., Ltd. Process for producing permanent magnet materials
EP0126802A1 (en) * 1983-05-25 1984-12-05 Sumitomo Special Metals Co., Ltd. Process for producing of a permanent magnet
EP0134304A1 (en) * 1983-08-04 1985-03-20 Sumitomo Special Metals Co., Ltd. Permanent magnets
EP0134305A1 (en) * 1983-08-02 1985-03-20 Sumitomo Special Metals Co., Ltd. Permanent magnet
EP0156482A1 (en) * 1984-02-13 1985-10-02 Sherritt Gordon Limited Sm2Co17 alloys suitable for use as permanent magnets
US4767474A (en) * 1983-05-06 1988-08-30 Sumitomo Special Metals Co., Ltd. Isotropic magnets and process for producing same
US4770723A (en) * 1982-08-21 1988-09-13 Sumitomo Special Metals Co., Ltd. Magnetic materials and permanent magnets
US4792368A (en) * 1982-08-21 1988-12-20 Sumitomo Special Metals Co., Ltd. Magnetic materials and permanent magnets
US4826546A (en) * 1984-02-28 1989-05-02 Sumitomo Special Metal Co., Ltd. Process for producing permanent magnets and products thereof
US4840684A (en) * 1983-05-06 1989-06-20 Sumitomo Special Metals Co, Ltd. Isotropic permanent magnets and process for producing same
EP0323125A1 (en) * 1987-12-28 1989-07-05 Shin-Etsu Chemical Co., Ltd. Rare earth permanent magnet
US5230749A (en) * 1983-08-04 1993-07-27 Sumitomo Special Metals Co., Ltd. Permanent magnets
US20110241810A1 (en) * 2010-03-31 2011-10-06 Kabushiki Kaisha Toshiba Permanent magnet and method for manufacturing the same, and motor and power generator using the same
US20120074804A1 (en) * 2010-09-24 2012-03-29 Kabushiki Kaisha Toshiba Permanent magnet and method for manufacturing the same, and motor and power generator using the same
US20120242180A1 (en) * 2011-03-25 2012-09-27 Kabushiki Kaisha Toshiba Permanent magnet and motor and generator using the same
US9087631B2 (en) 2008-11-19 2015-07-21 Kabushiki Kaisha Toshiba Permanent magnet and method of manufacturing the same, and motor and power generator using the same

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5665955A (en) * 1979-11-02 1981-06-04 Seiko Instr & Electronics Ltd Rare earth element magnet and its manufacture
JP5504233B2 (en) * 2011-09-27 2014-05-28 株式会社東芝 PERMANENT MAGNET AND ITS MANUFACTURING METHOD, AND MOTOR AND GENERATOR USING THE SAME
CN111863368A (en) * 2020-08-06 2020-10-30 杭州永磁集团有限公司 Samarium-cobalt permanent magnet material with ultralow demagnetization rate and high temperature and preparation method thereof

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS53106326A (en) * 1977-02-28 1978-09-16 Hitachi Metals Ltd Permant magnet alloy
JPS53106624A (en) * 1977-03-02 1978-09-16 Hitachi Metals Ltd Method of making permant magnet
JPS5445620A (en) * 1977-09-17 1979-04-11 Tdk Corp Permanent magnet alloy materials

Cited By (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2485039A1 (en) * 1980-05-23 1981-12-24 Shinetsu Chemical Co ALLOYS CONTAINING LANTHANIDES FOR THE PRODUCTION OF PERMANENT MAGNETS
US4792368A (en) * 1982-08-21 1988-12-20 Sumitomo Special Metals Co., Ltd. Magnetic materials and permanent magnets
US4770723A (en) * 1982-08-21 1988-09-13 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
US4597938A (en) * 1983-05-21 1986-07-01 Sumitomo Special Metals Co., Ltd. Process for producing permanent magnet materials
EP0126179A1 (en) * 1983-05-21 1984-11-28 Sumitomo Special Metals Co., Ltd. Process for producing permanent magnet materials
US4975130A (en) * 1983-05-21 1990-12-04 Sumitomo Special Metals Co., Ltd. Permanent magnet materials
EP0126802A1 (en) * 1983-05-25 1984-12-05 Sumitomo Special Metals Co., Ltd. Process for producing of a permanent magnet
US4601875A (en) * 1983-05-25 1986-07-22 Sumitomo Special Metals Co., Ltd. Process for producing magnetic materials
EP0134305A1 (en) * 1983-08-02 1985-03-20 Sumitomo Special Metals Co., Ltd. Permanent magnet
US5230749A (en) * 1983-08-04 1993-07-27 Sumitomo Special Metals Co., Ltd. Permanent magnets
EP0134304A1 (en) * 1983-08-04 1985-03-20 Sumitomo Special Metals Co., Ltd. Permanent magnets
EP0156482A1 (en) * 1984-02-13 1985-10-02 Sherritt Gordon Limited Sm2Co17 alloys suitable for use as permanent magnets
US5110377A (en) * 1984-02-28 1992-05-05 Sumitomo Special Metals Co., Ltd. Process for producing permanent magnets and products thereof
US4826546A (en) * 1984-02-28 1989-05-02 Sumitomo Special Metal Co., Ltd. Process for producing permanent magnets and products thereof
EP0323125A1 (en) * 1987-12-28 1989-07-05 Shin-Etsu Chemical Co., Ltd. Rare earth permanent magnet
US9087631B2 (en) 2008-11-19 2015-07-21 Kabushiki Kaisha Toshiba Permanent magnet and method of manufacturing the same, and motor and power generator using the same
US20110241810A1 (en) * 2010-03-31 2011-10-06 Kabushiki Kaisha Toshiba Permanent magnet and method for manufacturing the same, and motor and power generator using the same
US8568539B2 (en) * 2010-03-31 2013-10-29 Kabushiki Kaisha Toshiba Permanent magnet and method for manufacturing the same, and motor and power generator using the same
US10102950B2 (en) 2010-03-31 2018-10-16 Kabushiki Kaisha Toshiba Permanent magnet and method for manufacturing the same, and motor and power generator using the same
US20120074804A1 (en) * 2010-09-24 2012-03-29 Kabushiki Kaisha Toshiba Permanent magnet and method for manufacturing the same, and motor and power generator using the same
US9583243B2 (en) * 2010-09-24 2017-02-28 Kabushiki Kaisha Toshiba Permanent magnet and method for manufacturing the same, and motor and power generator using the same
US20120242180A1 (en) * 2011-03-25 2012-09-27 Kabushiki Kaisha Toshiba Permanent magnet and motor and generator using the same

Also Published As

Publication number Publication date
MY8700005A (en) 1987-12-31
JPS5814865B2 (en) 1983-03-22
CH636729A5 (en) 1983-06-15
HK87385A (en) 1985-11-15
GB2021147B (en) 1982-06-03
JPS54124822A (en) 1979-09-28
SG22085G (en) 1985-09-13

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Legal Events

Date Code Title Description
PE20 Patent expired after termination of 20 years

Effective date: 19990321