DE68915680T2 - Verfahren zum Herstellen eines Dauermagneten. - Google Patents

Verfahren zum Herstellen eines Dauermagneten.

Info

Publication number
DE68915680T2
DE68915680T2 DE68915680T DE68915680T DE68915680T2 DE 68915680 T2 DE68915680 T2 DE 68915680T2 DE 68915680 T DE68915680 T DE 68915680T DE 68915680 T DE68915680 T DE 68915680T DE 68915680 T2 DE68915680 T2 DE 68915680T2
Authority
DE
Germany
Prior art keywords
density
making
permanent magnet
properties
magnet
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 - Fee Related
Application number
DE68915680T
Other languages
English (en)
Other versions
DE68915680D1 (de
Inventor
Abraham Reinder Flipse
Peter James Kay
Ewoud Rozendaal
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.)
Morgan Crucible Co PLC
Original Assignee
Philips Gloeilampenfabrieken NV
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 Philips Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Publication of DE68915680D1 publication Critical patent/DE68915680D1/de
Application granted granted Critical
Publication of DE68915680T2 publication Critical patent/DE68915680T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • 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

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Hard Magnetic Materials (AREA)
  • Powder Metallurgy (AREA)
  • Manufacturing Cores, Coils, And Magnets (AREA)
DE68915680T 1988-10-17 1989-10-11 Verfahren zum Herstellen eines Dauermagneten. Expired - Fee Related DE68915680T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL8802543 1988-10-17

Publications (2)

Publication Number Publication Date
DE68915680D1 DE68915680D1 (de) 1994-07-07
DE68915680T2 true DE68915680T2 (de) 1994-12-15

Family

ID=19853066

Family Applications (1)

Application Number Title Priority Date Filing Date
DE68915680T Expired - Fee Related DE68915680T2 (de) 1988-10-17 1989-10-11 Verfahren zum Herstellen eines Dauermagneten.

Country Status (7)

Country Link
US (1) US4996023A (de)
EP (1) EP0365079B1 (de)
JP (1) JP2848533B2 (de)
KR (1) KR900007004A (de)
CN (1) CN1043034A (de)
AT (1) ATE106599T1 (de)
DE (1) DE68915680T2 (de)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2780429B2 (ja) * 1990-03-30 1998-07-30 松下電器産業株式会社 希土類―鉄系磁石の製造方法
GB9022033D0 (en) * 1990-10-10 1990-11-21 Lee Victor C A method of making a material with permanent magnetic properties
JP3549382B2 (ja) * 1997-12-22 2004-08-04 信越化学工業株式会社 希土類元素・鉄・ボロン系永久磁石およびその製造方法
DE69938811D1 (de) 1998-12-11 2008-07-10 Shinetsu Chemical Co Herstellungsverfahen eines Seltenerd-Dauermagnets
JP4415681B2 (ja) * 2004-01-21 2010-02-17 Ｔｄｋ株式会社 希土類焼結磁石及びその製造方法
CN102456478A (zh) * 2010-10-22 2012-05-16 北京北方微电子基地设备工艺研究中心有限责任公司 磁铁及其加工方法和磁控溅射源
CN109881113B (zh) * 2019-02-24 2020-05-19 东阳市宏丰磁业有限公司 一种复合永磁材料及其制备方法

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3575231D1 (de) * 1984-02-28 1990-02-08 Sumitomo Spec Metals Verfahren zur herstellung von permanenten magneten.
US4765848A (en) * 1984-12-31 1988-08-23 Kaneo Mohri Permanent magnent and method for producing same
JPS62165305A (ja) * 1986-01-16 1987-07-21 Hitachi Metals Ltd 熱安定性良好な永久磁石およびその製造方法
US4836868A (en) * 1986-04-15 1989-06-06 Tdk Corporation Permanent magnet and method of producing same
EP0261579B1 (de) * 1986-09-16 1993-01-07 Tokin Corporation Verfahren zur Herstellung eines Seltenerd-Eisen-Bor-Dauermagneten mit Hilfe eines abgeschreckten Legierungspuders
US4859410A (en) * 1988-03-24 1989-08-22 General Motors Corporation Die-upset manufacture to produce high volume fractions of RE-Fe-B type magnetically aligned material
US4867809A (en) * 1988-04-28 1989-09-19 General Motors Corporation Method for making flakes of RE-Fe-B type magnetically aligned material
US4881985A (en) * 1988-08-05 1989-11-21 General Motors Corporation Method for producing anisotropic RE-FE-B type magnetically aligned material

Also Published As

Publication number Publication date
EP0365079B1 (de) 1994-06-01
JPH02156038A (ja) 1990-06-15
US4996023A (en) 1991-02-26
DE68915680D1 (de) 1994-07-07
EP0365079A1 (de) 1990-04-25
JP2848533B2 (ja) 1999-01-20
CN1043034A (zh) 1990-06-13
ATE106599T1 (de) 1994-06-15
KR900007004A (ko) 1990-05-09

Similar Documents

Publication Publication Date Title
ES8507289A1 (es) Un metodo de fabricar un iman permanente anisotropo
ES448998A1 (es) Procedimiento de fabricacion de imanes anisotropos.
ES8502738A1 (es) Un metodo de fabricar una composicion de aleacion fuertemente magnetica.
DE69127557D1 (de) Verfahren zur Herstellung eines Permanentmagneten und Vorrichtung zur Herstellung eines Grünlings
JPS5759464A (en) Field pole for dc electric machine
FR2476375B1 (de)
DE68915680D1 (de) Verfahren zum Herstellen eines Dauermagneten.
ES8707373A1 (es) Un metodo para producir un cuerpo uniforme de iman permanen-te
AU5484690A (en) Hard magnetic material and magnet manufactured from such hard magnetic material
KR930003185A (ko) 잔류자속 밀도가 높은 사출성형 순철소결 연자성재의 제조법
ATE103412T1 (de) Dauermagnet und herstellungsverfahren.
CA2012294A1 (en) Magnetic devices with enhanced poles
Flipse et al. Method of Manufacturing a Permanent Magnet
JPS5240027A (en) High-speed printing equipment
JPS6432611A (en) Manufacture of anisotropic multi-pole plastic magnet
JPS54125496A (en) Rare earth permanent magnet and method for manufacturing the same
JPS51130897A (en) Manufacturing method of permanent magnet having magnetic unisotropy
JPS5411411A (en) Magnetic circuit
JPS57182175A (en) Permanent magnet body consisting of plastic combining magnetic material, its manufacture and eddy current tachometer with said permanent magnet body
JPS6436298A (en) Movable coil actuator
JPS57164771A (en) Magnet roll for magnetic brush
Zhong Development in Rapidly Quenched Rare Earth--Iron Permanent Magnet Alloys
CS206178B1 (cs) Způsob výroby magneticky tvrdých feritových torbidů s radiální orientací
WILLSON et al. Planar high energy permanent magnets[Final Report, 1 Mar. 1973- 31 Mar. 1975]
JPS5589401A (en) Manufacture of anisotropic magnet

Legal Events

Date Code Title Description
8327 Change in the person/name/address of the patent owner

Owner name: PHILIPS ELECTRONICS N.V., EINDHOVEN, NL

8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: YBM MAGNEX,INC., NEWTOWN, PA., US

8328 Change in the person/name/address of the agent

Free format text: DERZEIT KEIN VERTRETER BESTELLT

8327 Change in the person/name/address of the patent owner

Owner name: THE MORGAN CRUCIBLE COMPANY PLC, WINDSOR, BERKSHIR

8328 Change in the person/name/address of the agent

Free format text: HENKEL, FEILER & HAENZEL, 81675 MUENCHEN

8339 Ceased/non-payment of the annual fee