GB2021147B - Permanent magnet materials - Google Patents

Permanent magnet materials

Info

Publication number: GB2021147B
Authority: GB; United Kingdom
Prior art keywords: permanent magnet; magnet materials; materials; permanent; magnet
Prior art date: 1978-03-23
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

GB7910056A

Other versions

GB2021147A (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.)

1978-03-23

Filing date

1979-03-22

Publication date

1982-06-03

1979-03-22 Application filed by Suwa Seikosha KK filed Critical Suwa Seikosha KK

1979-11-28 Publication of GB2021147A publication Critical patent/GB2021147A/en

1982-06-03 Application granted granted Critical

1982-06-03 Publication of GB2021147B publication Critical patent/GB2021147B/en

Status Expired legal-status Critical Current

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

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)

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 GB2021147A (en)	1979-11-28
GB2021147B true 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)

Families Citing this family (20)

* 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
JPS56166357A (en) *	1980-05-23	1981-12-21	Shin Etsu Chem Co Ltd	Permanent magnet alloy containing rare earth metal
US4792368A (en) *	1982-08-21	1988-12-20	Sumitomo Special Metals Co., Ltd.	Magnetic materials and permanent magnets
CA1316375C (en) *	1982-08-21	1993-04-20	Masato Sagawa	Magnetic materials and permanent magnets
US4767474A (en) *	1983-05-06	1988-08-30	Sumitomo Special Metals Co., Ltd.	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
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
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
US5230749A (en) *	1983-08-04	1993-07-27	Sumitomo Special Metals Co., Ltd.	Permanent magnets
EP0156482B1 (en) *	1984-02-13	1989-05-24	Sherritt Gordon Limited	Sm2co17 alloys suitable for use as permanent magnets
DE3575231D1 (en) *	1984-02-28	1990-02-08	Sumitomo Spec Metals	METHOD FOR PRODUCING PERMANENT MAGNETS.
JP2970809B2 (en) *	1987-12-28	1999-11-02	信越化学工業株式会社	Rare earth permanent magnet
JP5259351B2 (en) *	2008-11-19	2013-08-07	株式会社東芝	Permanent magnet and permanent magnet motor and generator using the same
JP5197669B2 (en)	2010-03-31	2013-05-15	株式会社東芝	Permanent magnet and motor and generator using the same
JP5259668B2 (en) *	2010-09-24	2013-08-07	株式会社東芝	PERMANENT MAGNET, MANUFACTURING METHOD THEREOF, AND MOTOR AND GENERATOR USING THE SAME
JP5479395B2 (en) *	2011-03-25	2014-04-23	株式会社東芝	Permanent magnet and motor and generator using the same
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	A kind of ultra-low demagnetization rate high temperature samarium cobalt permanent magnet material 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

1978
- 1978-03-23 JP JP53033394A patent/JPS5814865B2/en not_active Expired
1979
- 1979-03-22 GB GB7910056A patent/GB2021147B/en not_active Expired
- 1979-03-23 CH CH274279A patent/CH636729A5/en not_active IP Right Cessation
1985
- 1985-03-26 SG SG22085A patent/SG22085G/en unknown
- 1985-11-07 HK HK87385A patent/HK87385A/en not_active IP Right Cessation
1987
- 1987-12-30 MY MY8700005A patent/MY8700005A/en unknown

Also Published As

Publication number	Publication date
JPS54124822A (en)	1979-09-28
GB2021147A (en)	1979-11-28
HK87385A (en)	1985-11-15
JPS5814865B2 (en)	1983-03-22
MY8700005A (en)	1987-12-31
SG22085G (en)	1985-09-13
CH636729A5 (en)	1983-06-15

Publication	Publication Date	Title
US4453294B2 (en)	1996-07-23	Engageable article using permanent magnet
GB2046528B (en)	1983-05-11	Permanent magnets
GB2021147B (en)	1982-06-03	Permanent magnet materials
GB2039151B (en)	1983-01-19	Matrix-bonded permanent magnets
JPS54116663A (en)	1979-09-11	Magnetic device
PH20688A (en)	1987-03-24	Permanent calendar construction
IL55954A (en)	1982-08-31	Permanent magnet assembly
JPS5567991A (en)	1980-05-22	Magnetic bubbleedemainntip
GB2124033B (en)	1984-08-01	Permanent magnet
GB2018524B (en)	1983-03-16	Permanent magnet generator
GB2018734B (en)	1982-07-28	Magnetic powders
GB2025460B (en)	1983-02-02	Fe-cr-co permanent magnet alloy
JPS5615153A (en)	1981-02-13	Permanent magnet generator
JPS54133784A (en)	1979-10-17	Magnet therapy
JPS55130862A (en)	1980-10-11	Oxide permanent magnet
JPS54119606A (en)	1979-09-17	Ccshpped unitizing magnet
JPS5494362A (en)	1979-07-26	Magnetic balance
JPS5550514A (en)	1980-04-12	Magnet wire
JPS556701A (en)	1980-01-18	Magnet switch
JPS54106356A (en)	1979-08-21	Setting permanent
JPS5488828A (en)	1979-07-14	Permanent magnet material
JPS54161526A (en)	1979-12-21	Permanent magnet alloy
JPS54161523A (en)	1979-12-21	Permanent magnet alloy
JPS54161524A (en)	1979-12-21	Permanent magnet alloy
JPS54161527A (en)	1979-12-21	Permanent magnet alloy

Legal Events

Date	Code	Title	Description
1999-04-14	PE20	Patent expired after termination of 20 years	Effective date: 19990321