EP0510578A3 - Rare earth-based alloy for permanent magnet - Google Patents

Rare earth-based alloy for permanent magnet

Info

Publication number: EP0510578A3
Authority: EP; European Patent Office
Prior art keywords: permanent magnet; rare earth; based alloy; alloy; rare
Prior art date: 1991-04-22
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 Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.): Withdrawn

Application number

EP19920106791

Other languages

English (en)

Other versions

EP0510578A2 (de

Inventor

Ken Ohashi

Yuhito Yoneda

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.)

Shin Etsu Chemical Co Ltd

Original Assignee

Shin Etsu Chemical 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.)

1991-04-22

Filing date

1992-04-21

Publication date

1993-04-28

1992-04-21 Application filed by Shin Etsu Chemical Co Ltd filed Critical Shin Etsu Chemical Co Ltd

1992-10-28 Publication of EP0510578A2 publication Critical patent/EP0510578A2/de

1993-04-28 Publication of EP0510578A3 publication Critical patent/EP0510578A3/en

Status Withdrawn legal-status Critical Current

Links

239000000956 alloy Substances 0.000 title 1
229910045601 alloy Inorganic materials 0.000 title 1
229910052761 rare earth metal Inorganic materials 0.000 title 1
150000002910 rare earth metals Chemical class 0.000 title 1

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
- H01F1/0551—Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5 in the form of particles, e.g. rapid quenched powders or ribbon flakes
- 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
- 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
- H01F1/0555—Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5 pressed, sintered or bonded together
- H01F1/0557—Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5 pressed, sintered or bonded together sintered

Landscapes

Chemical & Material Sciences (AREA)
Crystallography & Structural Chemistry (AREA)
Inorganic Chemistry (AREA)
Engineering & Computer Science (AREA)
Power Engineering (AREA)
Hard Magnetic Materials (AREA)

EP19920106791 1991-04-22 1992-04-21 Rare earth-based alloy for permanent magnet Withdrawn EP0510578A3 (en)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
JP3118081A JPH04322405A (ja)	1991-04-22	1991-04-22	希土類永久磁石
JP118081/91		1991-04-22

Publications (2)

Publication Number	Publication Date
EP0510578A2 EP0510578A2 (de)	1992-10-28
EP0510578A3 true EP0510578A3 (en)	1993-04-28

Family

ID=14727526

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
EP19920106791 Withdrawn EP0510578A3 (en)	1991-04-22	1992-04-21	Rare earth-based alloy for permanent magnet

Country Status (2)

Country	Link
EP (1)	EP0510578A3 (de)
JP (1)	JPH04322405A (de)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JP5856953B2 (ja) *	2010-05-20	2016-02-10	国立研究開発法人物質・材料研究機構	希土類永久磁石の製造方法および希土類永久磁石
EP3291250B1 (de) *	2016-08-24	2021-05-26	Kabushiki Kaisha Toshiba	Magnetmaterial, dauermagnet, elektrische rotationsmaschine und fahrzeug
CN107785139A (zh)	2016-08-24	2018-03-09	株式会社东芝	磁铁材料、永久磁铁、旋转电机及车辆
US10490325B2 (en)	2016-08-24	2019-11-26	Kabushiki Kaisha Toshiba	Magnetic material, permanent magnet, rotary electrical machine, and vehicle
JP7226778B2 (ja) *	2019-02-27	2023-02-21	国立研究開発法人物質・材料研究機構	ＳｍＺｒＦｅＣｏ磁性化合物およびその製造方法
JP7224582B2 (ja) *	2019-10-02	2023-02-20	国立研究開発法人物質・材料研究機構	磁石、膜、積層体、モータ、発電機、及び、自動車

Citations (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPS60244003A (ja) *	1984-05-18	1985-12-03	Toshiba Corp	永久磁石
JPS62241304A (ja) *	1986-04-12	1987-10-22	Shin Etsu Chem Co Ltd	希土類永久磁石
EP0323125A1 (de) *	1987-12-28	1989-07-05	Shin-Etsu Chemical Co., Ltd.	Permanent-Magnet aus seltenen Erden
EP0344018A2 (de) *	1988-05-26	1989-11-29	Shin-Etsu Chemical Co., Ltd.	Seltene Erden-Dauermagnet

1991
- 1991-04-22 JP JP3118081A patent/JPH04322405A/ja active Pending
1992
- 1992-04-21 EP EP19920106791 patent/EP0510578A3/en not_active Withdrawn

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPS60244003A (ja) *	1984-05-18	1985-12-03	Toshiba Corp	永久磁石
JPS62241304A (ja) *	1986-04-12	1987-10-22	Shin Etsu Chem Co Ltd	希土類永久磁石
EP0323125A1 (de) *	1987-12-28	1989-07-05	Shin-Etsu Chemical Co., Ltd.	Permanent-Magnet aus seltenen Erden
EP0344018A2 (de) *	1988-05-26	1989-11-29	Shin-Etsu Chemical Co., Ltd.	Seltene Erden-Dauermagnet

Non-Patent Citations (3)

* Cited by examiner, † Cited by third party
Title
IEEE TRANSACTIONS ON MAGNETICS. vol. 25, no. 5, September 1989, NEW YORK US pages 3300 - 3302 T.S.CHIN ET AL *
PATENT ABSTRACTS OF JAPAN vol. 10, no. 104 (E-397)(2161) 19 April 1986 & JP-60 244 003 ( TOSHIBA K.K. ) 3 December 1985 *
PATENT ABSTRACTS OF JAPAN vol. 12, no. 111 (E-598)8 April 1988 & JP-62 241 304 ( SHIN-ETSU CHEMICAL CO. ) 22 October 1987 *

Also Published As

Publication number	Publication date
JPH04322405A (ja)	1992-11-12
EP0510578A2 (de)	1992-10-28

Legal Events

Date	Code	Title	Description
1992-09-11	PUAI	Public reference made under article 153(3) epc to a published international application that has entered the european phase	Free format text: ORIGINAL CODE: 0009012
1992-10-28	AK	Designated contracting states	Kind code of ref document: A2 Designated state(s): DE FR GB
1993-03-10	PUAL	Search report despatched	Free format text: ORIGINAL CODE: 0009013
1993-04-28	AK	Designated contracting states	Kind code of ref document: A3 Designated state(s): DE FR GB
1994-05-11	STAA	Information on the status of an ep patent application or granted ep patent	Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN
1994-06-29	18D	Application deemed to be withdrawn	Effective date: 19931029

Publication	Publication Date	Title
EG20161A (en)	1997-08-31	Permanent magnetic structure
EP0251871A3 (en)	1988-03-09	A rare earth-based permanent magnet
EP0231620A3 (en)	1988-01-27	Permanent magnet manufacture from very low coercivity crystalline rare earth-transition metal-boron alloy
GB2258566B (en)	1994-12-21	Permanent magnet rotor
GB9311769D0 (en)	1993-07-28	Magnet holding structure
JPS57210934A (en)	1982-12-24	Highly magnetic rare earth-transition metal magnet
GB9206014D0 (en)	1992-04-29	Magnet assembly
GB9321785D0 (en)	1993-12-15	Permanent magnet rotor
EP0344018A3 (en)	1990-03-14	Rare earth permanent magnet
GB2262288B (en)	1995-10-11	Permanent magnet of rare-earth element/transition metal system
GB8819166D0 (en)	1988-09-14	Magnetic actuator & permanent magnet
HU9302771D0 (en)	1994-01-28	Arrangement for controlling permanent magnet
DE3760962D1 (en)	1989-12-14	A rare earth-based permanent magnet
KR970009536B1 (en)	1997-06-14	Magnet armature
GB9315497D0 (en)	1993-09-08	Superconductive magnet
GB9211124D0 (en)	1992-07-08	Permanent magnet motor
EP0414376A3 (en)	1991-12-11	Method for the preparation of a rare earth-iron-boron permanent magnet
EP0476606A3 (en)	1992-09-16	Permanent magnet powders
GB9302496D0 (en)	1993-03-24	Permanent magnet rotor
HUT63209A (en)	1993-07-28	Railway permanent way
GB9302843D0 (en)	1993-03-31	Permanent magnet
GB2241830B (en)	1994-01-19	Superconductive magnet coil arrangement
GB2226330B (en)	1993-01-13	Rare earth magnet alloy
GB9225019D0 (en)	1993-01-20	Repeling magnet motor
GB9310876D0 (en)	1993-07-14	Magnets