DE3514516A1 - Seltenerdmagnet und verfahren zu dessen herstellung - Google Patents

Seltenerdmagnet und verfahren zu dessen herstellung

Info

Publication number
DE3514516A1
DE3514516A1 DE19853514516 DE3514516A DE3514516A1 DE 3514516 A1 DE3514516 A1 DE 3514516A1 DE 19853514516 DE19853514516 DE 19853514516 DE 3514516 A DE3514516 A DE 3514516A DE 3514516 A1 DE3514516 A1 DE 3514516A1
Authority
DE
Germany
Prior art keywords
value
range
rare earth
earth magnet
coercive force
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.)
Withdrawn
Application number
DE19853514516
Other languages
German (de)
English (en)
Inventor
Kenzaburou Dipl.-Ing. Iijima
Takeo Dipl.-Ing. Hamamatsu Shizuoka Sata
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.)
Yamaha Corp
Original Assignee
Nippon Gakki Seizo Hamamatsu Shizuoka KK
Nippon Gakki 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
Application filed by Nippon Gakki Seizo Hamamatsu Shizuoka KK, Nippon Gakki Co Ltd filed Critical Nippon Gakki Seizo Hamamatsu Shizuoka KK
Publication of DE3514516A1 publication Critical patent/DE3514516A1/de
Withdrawn legal-status Critical Current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
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Hard Magnetic Materials (AREA)
  • Powder Metallurgy (AREA)
DE19853514516 1984-04-24 1985-04-22 Seltenerdmagnet und verfahren zu dessen herstellung Withdrawn DE3514516A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP59082721A JPS60228652A (ja) 1984-04-24 1984-04-24 希土類磁石およびその製法

Publications (1)

Publication Number Publication Date
DE3514516A1 true DE3514516A1 (de) 1985-10-24

Family

ID=13782270

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19853514516 Withdrawn DE3514516A1 (de) 1984-04-24 1985-04-22 Seltenerdmagnet und verfahren zu dessen herstellung

Country Status (3)

Country Link
US (1) US4908076A (forum.php)
JP (1) JPS60228652A (forum.php)
DE (1) DE3514516A1 (forum.php)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0258609A3 (en) * 1986-07-23 1989-04-26 Hitachi Metals, Ltd. Permanent magnet with good thermal stability
US4973415A (en) * 1986-10-30 1990-11-27 Ryoji Ohmachi Rapidly quenched ribbon magnet and plastic magnet containing powders of the rapidly quenched ribbon magnet
RU2118007C1 (ru) * 1997-05-28 1998-08-20 Товарищество с ограниченной ответственностью "Диполь-М" Материал для постоянных магнитов

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6150310A (ja) * 1984-08-11 1986-03-12 Tohoku Metal Ind Ltd 焼結型希土類磁石
JPS6231102A (ja) * 1985-08-01 1987-02-10 Hitachi Metals Ltd 焼結体永久磁石
US6669788B1 (en) 1999-02-12 2003-12-30 General Electric Company Permanent magnetic materials of the Fe-B-R tpe, containing Ce and Nd and/or Pr, and process for manufacture
CN1251252C (zh) * 1999-02-12 2006-04-12 通用电气公司 含有铈、钕和/或镨的铁－硼－稀土型永磁材料及其生产方法
EP1072044A1 (en) * 1999-02-12 2001-01-31 General Electric Company Praseodymium-rich iron-boron-rare earth composition, permanent magnet produced therefrom, and method of making
JP4585691B2 (ja) * 2000-02-02 2010-11-24 ベイオトウ・アイアン・アンド・スティール・（グループ）・カンパニイ・リミテッド ＣｅとＮｄおよび／またはＰｒを含むＦｅ−Ｂ−Ｒ型の永久磁石材料およびその製造方法
JP6361089B2 (ja) * 2013-04-22 2018-07-25 Tdk株式会社 Ｒ−ｔ−ｂ系焼結磁石
JP7180096B2 (ja) * 2017-03-30 2022-11-30 Tdk株式会社 永久磁石及び回転機

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0108474A2 (en) * 1982-09-03 1984-05-16 General Motors Corporation RE-TM-B alloys, method for their production and permanent magnets containing such alloys
EP0133758A2 (en) * 1983-08-04 1985-03-06 General Motors Corporation Iron-rare earth-boron permanent magnets by hot working
EP0134305A1 (en) * 1983-08-02 1985-03-20 Sumitomo Special Metals Co., Ltd. Permanent magnet
EP0126179B1 (en) * 1983-05-21 1988-12-14 Sumitomo Special Metals Co., Ltd. Process for producing permanent magnet materials

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5647538A (en) * 1979-09-27 1981-04-30 Hitachi Metals Ltd Alloy for permanent magnet
JPS5946008A (ja) * 1982-08-21 1984-03-15 Sumitomo Special Metals Co Ltd 永久磁石
CA1316375C (en) * 1982-08-21 1993-04-20 Masato Sagawa Magnetic materials and permanent magnets
JPS5964733A (ja) * 1982-09-27 1984-04-12 Sumitomo Special Metals Co Ltd 永久磁石

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0108474A2 (en) * 1982-09-03 1984-05-16 General Motors Corporation RE-TM-B alloys, method for their production and permanent magnets containing such alloys
EP0126179B1 (en) * 1983-05-21 1988-12-14 Sumitomo Special Metals Co., Ltd. Process for producing permanent magnet materials
EP0134305A1 (en) * 1983-08-02 1985-03-20 Sumitomo Special Metals Co., Ltd. Permanent magnet
EP0133758A2 (en) * 1983-08-04 1985-03-06 General Motors Corporation Iron-rare earth-boron permanent magnets by hot working

Non-Patent Citations (3)

* Cited by examiner, † Cited by third party
Title
US-Z: J. Appl. Phys. 55, 1984, S. 148- 149 *
US-Z: J. Appl. Phys. 55, 1984, S.2078-2082 *
US-Z: J. Appl. Phys. 55, 1984. S.2083-2087 *

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0258609A3 (en) * 1986-07-23 1989-04-26 Hitachi Metals, Ltd. Permanent magnet with good thermal stability
US4973415A (en) * 1986-10-30 1990-11-27 Ryoji Ohmachi Rapidly quenched ribbon magnet and plastic magnet containing powders of the rapidly quenched ribbon magnet
RU2118007C1 (ru) * 1997-05-28 1998-08-20 Товарищество с ограниченной ответственностью "Диполь-М" Материал для постоянных магнитов

Also Published As

Publication number Publication date
JPH0352529B2 (forum.php) 1991-08-12
US4908076A (en) 1990-03-13
JPS60228652A (ja) 1985-11-13

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Legal Events

Date Code Title Description
OR8 Request for search as to paragraph 43 lit. 1 sentence 1 patent law
8127 New person/name/address of the applicant

Owner name: YAMAHA CORP., HAMAMATSU, SHIZUOKA, JP

8141 Disposal/no request for examination