ES8503163A1 - Un metodo de fabricacion de un iman permanente aglomerado - Google Patents

Un metodo de fabricacion de un iman permanente aglomerado

Info

Publication number
ES8503163A1
ES8503163A1 ES532283A ES532283A ES8503163A1 ES 8503163 A1 ES8503163 A1 ES 8503163A1 ES 532283 A ES532283 A ES 532283A ES 532283 A ES532283 A ES 532283A ES 8503163 A1 ES8503163 A1 ES 8503163A1
Authority
ES
Spain
Prior art keywords
rare earth
bonded rare
iron magnets
compacts
iron
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
Application number
ES532283A
Other languages
English (en)
Other versions
ES532283A0 (es
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.)
Motors Liquidation Co
Original Assignee
Motors Liquidation Co
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=23956982&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=ES8503163(A1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Motors Liquidation Co filed Critical Motors Liquidation Co
Publication of ES532283A0 publication Critical patent/ES532283A0/es
Publication of ES8503163A1 publication Critical patent/ES8503163A1/es
Expired 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
    • 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
    • H01F1/0578—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 bonded together

Landscapes

  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Hard Magnetic Materials (AREA)
  • Manufacturing Cores, Coils, And Magnets (AREA)

Abstract

METODO DE FABRICACION DE UN IMAN PERMANENTE AGLOMERADO.CONSISTE EN, A) TRITURAR UNA CINTA DE ALEACION DE FUNDICION CENTRIFUGADA, DE ESTRUCTURA CRISTALINA FINA, ENFRIADA RAPIDAMENTE Y QUEBRADIZA Y QUE COMPRENDE; NEODIMIO, PRASEODIMIO, MISCHMETALES, HIERRO METALICO Y BORO, PARA FORMAR PARTICULAS MAGNETICAMENTE ISOTROPICAS, B) FRACTURAR Y COMPACTAR BAJO PRESION A LAS PARTICULAS MAGNETICAS ISOTROPICAS, C) MANTENER A LAS PARTICULAS MAGNETICAMENTE ISOTROPICAS POR MEDIO DE UN AGENTE AGLOMERANTE INTERPUESTO ENTRE ELLAS, EN UNA FORMA DE IMAN Y D) MAGNETIZAR LA FORMAN DE IMAN EN CUALQUIER DIRECCION DESEADA EN UN CAMPO MAGNETICO APROPIADO PARA FORMAR EL IMAN AGLOMERADO CON UNA DENSIDAD DE COMPACTADO DE PARTICULAS DE 80 DE LA DENSIDAD DE ALINEACION, UN PRODUCTO DE ENERGIA MAGNETICA REMANENTE DE NUEVE MEGAGAUSS OERSTED DE SATURACION MAGNETICA.
ES532283A 1983-05-09 1984-05-08 Un metodo de fabricacion de un iman permanente aglomerado Expired ES8503163A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US49262983A 1983-05-09 1983-05-09

Publications (2)

Publication Number Publication Date
ES532283A0 ES532283A0 (es) 1985-02-01
ES8503163A1 true ES8503163A1 (es) 1985-02-01

Family

ID=23956982

Family Applications (1)

Application Number Title Priority Date Filing Date
ES532283A Expired ES8503163A1 (es) 1983-05-09 1984-05-08 Un metodo de fabricacion de un iman permanente aglomerado

Country Status (8)

Country Link
EP (1) EP0125752B1 (es)
JP (1) JPS59211549A (es)
AU (1) AU571497B2 (es)
BR (1) BR8402029A (es)
CA (1) CA1216623A (es)
DE (1) DE3480673D1 (es)
ES (1) ES8503163A1 (es)
MX (1) MX167657B (es)

Families Citing this family (41)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59219904A (ja) * 1983-05-30 1984-12-11 Sumitomo Special Metals Co Ltd ボンド磁石の製造方法およびボンド磁石用材料の製造方法
JPS6017905A (ja) * 1983-07-08 1985-01-29 Sumitomo Special Metals Co Ltd 永久磁石用合金粉末
JPS6032306A (ja) * 1983-08-02 1985-02-19 Sumitomo Special Metals Co Ltd 永久磁石
CA1236381A (en) * 1983-08-04 1988-05-10 Robert W. Lee Iron-rare earth-boron permanent magnets by hot working
JPS60153109A (ja) * 1984-01-21 1985-08-12 Sumitomo Special Metals Co Ltd 永久磁石体
US4558077A (en) * 1984-03-08 1985-12-10 General Motors Corporation Epoxy bonded rare earth-iron magnets
CA1244322A (en) * 1984-09-14 1988-11-08 Robert W. Lee Hot pressed permanent magnet having high and low coercivity regions
USRE34838E (en) * 1984-12-31 1995-01-31 Tdk Corporation Permanent magnet and method for producing same
JPH0630295B2 (ja) * 1984-12-31 1994-04-20 ティーディーケイ株式会社 永久磁石
US5538565A (en) * 1985-08-13 1996-07-23 Seiko Epson Corporation Rare earth cast alloy permanent magnets and methods of preparation
US6136099A (en) * 1985-08-13 2000-10-24 Seiko Epson Corporation Rare earth-iron series permanent magnets and method of preparation
JPH0687634B2 (ja) * 1986-02-24 1994-11-02 松下電器産業株式会社 永久磁石型モ−タ
US4689163A (en) * 1986-02-24 1987-08-25 Matsushita Electric Industrial Co., Ltd. Resin-bonded magnet comprising a specific type of ferromagnetic powder dispersed in a specific type of resin binder
JP2530641B2 (ja) * 1986-03-20 1996-09-04 日立金属株式会社 磁気異方性ボンド磁石、それに用いる磁粉及びその製造方法
DE3779481T2 (de) * 1986-04-15 1992-12-24 Tdk Corp Dauermagnet und verfahren zu seiner herstellung.
EP0248665B1 (en) * 1986-06-06 1994-05-18 Seiko Instruments Inc. Rare earth-iron magnet and method of making same
DE3786426T2 (de) * 1986-06-12 1993-12-09 Toshiba Kawasaki Kk Dauermagnet und Dauermagnetlegierung.
AT386554B (de) * 1986-08-04 1988-09-12 Treibacher Chemische Werke Ag Verfahren zur herstellung korrosionsbestaendiger, hartmagnetischer pulver fuer die magneterzeugung, magnete aus hartmagnetischem pulver und verfahren zu deren herstellung
EP0265006A1 (en) * 1986-10-13 1988-04-27 Koninklijke Philips Electronics N.V. Method of manufacturing a permanent magnet
US4829277A (en) * 1986-11-20 1989-05-09 General Motors Corporation Isotropic rare earth-iron field magnets for magnetic resonance imaging
US4983232A (en) 1987-01-06 1991-01-08 Hitachi Metals, Ltd. Anisotropic magnetic powder and magnet thereof and method of producing same
KR900006533B1 (ko) * 1987-01-06 1990-09-07 히다찌 긴조꾸 가부시끼가이샤 이방성 자성분말과 이의 자석 및 이의 제조방법
JP2599378B2 (ja) * 1987-02-06 1997-04-09 松下電器産業株式会社 樹脂磁石の製造方法
DE3883038T2 (de) * 1987-03-23 1994-01-05 Tokin Corp Verfahren zur Herstellung eines anisotropen seltene Erden-Eisen-Bor-Verbundmagneten mit Hilfe von bandähnlichen Spänen aus einer seltene Erden-Eisen-Bor-Legierung.
US5186761A (en) * 1987-04-30 1993-02-16 Seiko Epson Corporation Magnetic alloy and method of production
EP0288637B1 (en) * 1987-04-30 1994-08-10 Seiko Epson Corporation Permanent magnet and method of making the same
US5460662A (en) * 1987-04-30 1995-10-24 Seiko Epson Corporation Permanent magnet and method of production
EP0304054B1 (en) * 1987-08-19 1994-06-08 Mitsubishi Materials Corporation Rare earth-iron-boron magnet powder and process of producing same
JP2619653B2 (ja) * 1987-10-16 1997-06-11 セイコーエプソン株式会社 希土類磁石
US4881988A (en) * 1987-11-16 1989-11-21 Rjf International Corporation Novel flexible magnet for use in small dc motors
US4832891A (en) * 1987-11-25 1989-05-23 Eastman Kodak Company Method of making an epoxy bonded rare earth-iron magnet
JPH0614485B2 (ja) * 1988-05-25 1994-02-23 大八化学工業株式会社 表面改質磁性粉末およびそれを含有するボンド磁石組成物
IE891581A1 (en) * 1988-06-20 1991-01-02 Seiko Epson Corp Permanent magnet and a manufacturing method thereof
EP0362812B1 (en) * 1988-10-04 1996-01-24 Hitachi Metals, Ltd. Bonded isotropic R-Fe-B-magnet and method for making it
DE68916184T2 (de) * 1988-11-14 1994-11-17 Asahi Chemical Ind Magnetische Stoffe, enthaltend Seltenerdelemente, Eisen, Stickstoff und Wasserstoff.
CA2019257A1 (en) * 1989-06-27 1990-12-27 Takuji Nomura Magnet and method for manufacturing the same
US5037492A (en) * 1989-12-19 1991-08-06 General Motors Corporation Alloying low-level additives into hot-worked Nd-Fe-B magnets
JP2780422B2 (ja) * 1990-03-07 1998-07-30 松下電器産業株式会社 樹脂磁石構造体の製造方法
AU6733196A (en) * 1995-08-30 1997-03-19 Danfoss A/S Method of producing magnetic poles on a base member, and rotor of an electrical machine
JPH08181011A (ja) * 1995-10-02 1996-07-12 Seiko Epson Corp 希土類磁石
JP5752094B2 (ja) * 2012-08-08 2015-07-22 ミネベア株式会社 フルデンス希土類−鉄系ボンド磁石の製造方法

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB455806A (en) * 1934-07-11 1936-10-28 Max Baermann Junior Process for making permanent magnets
DE1288317B (de) * 1966-09-01 1969-01-30 Baermann Max Verfahren zur Herstellung von anisotropen gepressten Dauermagneten
US4197146A (en) * 1978-10-24 1980-04-08 General Electric Company Molded amorphous metal electrical magnetic components
JPS5754304A (en) * 1980-09-19 1982-03-31 Seiko Epson Corp Manufacture of permanent magnet
JPS57141901A (en) * 1981-02-26 1982-09-02 Mitsubishi Steel Mfg Co Ltd Permanent magnet powder
CA1176814A (en) * 1981-05-11 1984-10-30 Kalatur S. V. L. Narasimhan Method of improving magnets
EP0108474B2 (en) * 1982-09-03 1995-06-21 General Motors Corporation RE-TM-B alloys, method for their production and permanent magnets containing such alloys
US4851058A (en) * 1982-09-03 1989-07-25 General Motors Corporation High energy product rare earth-iron magnet alloys
CA1236381A (en) * 1983-08-04 1988-05-10 Robert W. Lee Iron-rare earth-boron permanent magnets by hot working

Also Published As

Publication number Publication date
ES532283A0 (es) 1985-02-01
DE3480673D1 (de) 1990-01-11
MX167657B (es) 1993-04-01
CA1216623A (en) 1987-01-13
EP0125752A2 (en) 1984-11-21
JPH0420975B2 (es) 1992-04-07
BR8402029A (pt) 1984-12-18
AU571497B2 (en) 1988-04-21
EP0125752A3 (en) 1987-01-28
EP0125752B1 (en) 1989-12-06
AU2595884A (en) 1984-11-15
JPS59211549A (ja) 1984-11-30

Similar Documents

Publication Publication Date Title
ES8503163A1 (es) Un metodo de fabricacion de un iman permanente aglomerado
EP0101552A3 (en) Magnetic materials and permanent magnets
EP0411571A3 (en) Rare earth permanent magnet powder, method for producing same and bonded magnet
DE3379131D1 (en) Re-tm-b alloys, method for their production and permanent magnets containing such alloys
DE3379084D1 (en) Permanently magnetizable alloys, magnetic materials and permanent magnets comprising febr or (fe,co)br (r=vave earth)
GB2100286B (en) High coercivity rare earth-transition metal magnets
DE3483226D1 (de) Permanente magnete aus eisen, metallen aus seltenen erden und bor durch waermebehandlung.
DE69409357D1 (de) Pulvergemisch zur Verdichtung beim Herstellungsverfahren von gesinterten Seltenerd-Eisen-Bor Dauermagneten
JPS5593202A (en) Matrix coupled permanent magnet having highly aligned magnetic particles
ZA841312B (en) High energy product rare earth-transition metal magnet alloys
EP0325403A3 (en) Resin bonded magnets
EP0477810A3 (en) R-fe-b type permanent magnet powder and bonded magnet therefrom
EP0476606A3 (en) Permanent magnet powders
HU903017D0 (en) Ndfeb magnet and process for the passivation of the surface of ndfeb magnets
IE891829L (en) Permanent Magnet having Improved Heat-Treatment¹Characteristics and Method for Producing the Same
EP0938105A4 (es)
GB2076390B (en) Manufacturing an isotropic oxidic permanent magnet
EP0265016A3 (en) Process of making a permanent magnet
JPS57134533A (en) Permanent magnet alloy
GB2085473B (en) Isotropic and nearly isotropic permanent magnet alloys
KR900007004A (ko) 영구 자석의 제조방법
EP0476609A3 (en) Permanent magnet magnetic circuit
ATE26360T1 (de) Samarium-kobalt-magnetlegierung.
GB8929088D0 (en) Rare earth magnet alloy
JPS6427204A (en) Manufacture of permanent magnet