ES8502738A1 - Un metodo de fabricar una composicion de aleacion fuertemente magnetica. - Google Patents

Un metodo de fabricar una composicion de aleacion fuertemente magnetica.

Info

Publication number
ES8502738A1
ES8502738A1 ES525336A ES525336A ES8502738A1 ES 8502738 A1 ES8502738 A1 ES 8502738A1 ES 525336 A ES525336 A ES 525336A ES 525336 A ES525336 A ES 525336A ES 8502738 A1 ES8502738 A1 ES 8502738A1
Authority
ES
Spain
Prior art keywords
alloys
production
permanent magnets
transition metal
rare earth
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
ES525336A
Other languages
English (en)
Other versions
ES525336A0 (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=27022790&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=ES8502738(A1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Priority claimed from US06/414,936 external-priority patent/US4851058A/en
Application filed by Motors Liquidation Co filed Critical Motors Liquidation Co
Publication of ES525336A0 publication Critical patent/ES525336A0/es
Publication of ES8502738A1 publication Critical patent/ES8502738A1/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
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C45/00—Amorphous alloys
    • C22C45/02—Amorphous alloys with iron as the major constituent

Landscapes

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

Abstract

METODO PARA FABRICAR UNA COMPOSICION DE ALEACION FUERTEMENTE MAGNETICA, QUE INCLUYE ELEMENTOS DE TIERRAS RARAS Y ELEMENTOS DE METALES DE TRANSICION.COMPRENDE LAS SIGUIENTES OPERACIONES: PRIMERA, SE PREPARA UNA MEZCLA QUE CONTIENE AL MENOS UN 10 POR CIENTO ATOMICO DE UNO O MAS ELEMENTOS DE LAS TIERRAS RARAS, INCLUYENDO EL NEODIMIO Y PRASEODIMIO, Y UNO O MAS METALES DE TRANSICION FORMADOS POR HIERRO Y POR MEZCLAS DE HIERRO CON OTRO METALES DE TRANSICION; SEGUNDA, SE FUNDE DICHA MEZCLA; Y POR ULTIMO, SE ENFRIA RAPIDAMENTE LA MEZCLA FUNDIDA A UNA VELOCIDAD ADECUADA PARA FORMAR UNA FASE FINAMENTE CRISTALINA Y FUERTEMENTE MAGNETICA EN EL SENO DE LA COMPOSICION DE ALEACION SOLIDIFICADA.
ES525336A 1982-09-03 1983-09-02 Un metodo de fabricar una composicion de aleacion fuertemente magnetica. Expired ES8502738A1 (es)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US06/414,936 US4851058A (en) 1982-09-03 1982-09-03 High energy product rare earth-iron magnet alloys
US50826683A 1983-06-24 1983-06-24

Publications (2)

Publication Number Publication Date
ES525336A0 ES525336A0 (es) 1985-01-16
ES8502738A1 true ES8502738A1 (es) 1985-01-16

Family

ID=27022790

Family Applications (1)

Application Number Title Priority Date Filing Date
ES525336A Expired ES8502738A1 (es) 1982-09-03 1983-09-02 Un metodo de fabricar una composicion de aleacion fuertemente magnetica.

Country Status (7)

Country Link
US (1) US4802931A (es)
EP (1) EP0108474B2 (es)
AU (1) AU570928B2 (es)
BR (1) BR8304762A (es)
DE (1) DE3379131D1 (es)
ES (1) ES8502738A1 (es)
MX (1) MX7696E (es)

Families Citing this family (131)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1316375C (en) * 1982-08-21 1993-04-20 Masato Sagawa Magnetic materials and permanent magnets
US4792368A (en) * 1982-08-21 1988-12-20 Sumitomo Special Metals Co., Ltd. Magnetic materials and permanent magnets
DE3379084D1 (en) * 1982-09-27 1989-03-02 Sumitomo Spec Metals Permanently magnetizable alloys, magnetic materials and permanent magnets comprising febr or (fe,co)br (r=vave earth)
EP0125347B1 (en) * 1983-05-06 1990-04-18 Sumitomo Special Metals Co., Ltd. Isotropic magnets and process for producing same
CA1216623A (en) * 1983-05-09 1987-01-13 John J. Croat Bonded rare earth-iron magnets
US4597938A (en) * 1983-05-21 1986-07-01 Sumitomo Special Metals Co., Ltd. Process for producing permanent magnet materials
AU572120B2 (en) * 1983-06-24 1988-05-05 General Motors Corporation High energy product rare earth transition metal magnet alloys
FR2551769B2 (fr) * 1983-07-05 1990-02-02 Rhone Poulenc Spec Chim Alliages de neodyme et leur procede de fabrication
US4792367A (en) * 1983-08-04 1988-12-20 General Motors Corporation Iron-rare earth-boron permanent
CA1236381A (en) * 1983-08-04 1988-05-10 Robert W. Lee Iron-rare earth-boron permanent magnets by hot working
US5230749A (en) * 1983-08-04 1993-07-27 Sumitomo Special Metals Co., Ltd. Permanent magnets
JPH0663056B2 (ja) * 1984-01-09 1994-08-17 コルモーゲン コーポレイション 非焼結永久磁石合金及びその製造方法
DE3587977T2 (de) * 1984-02-28 1995-05-18 Sumitomo Spec Metals Dauermagnete.
US4585473A (en) * 1984-04-09 1986-04-29 Crucible Materials Corporation Method for making rare-earth element containing permanent magnets
JPS60228652A (ja) * 1984-04-24 1985-11-13 Nippon Gakki Seizo Kk 希土類磁石およびその製法
ATE36560T1 (de) * 1984-07-03 1988-09-15 Gen Motors Corp Metallothermische reduktion seltener erdoxide mittels kalzium.
US4578242A (en) * 1984-07-03 1986-03-25 General Motors Corporation Metallothermic reduction of rare earth oxides
US5529854A (en) * 1984-09-12 1996-06-25 Seiko Epson Corporation Magneto-optic recording systems
US5100741A (en) * 1984-09-12 1992-03-31 Seiko Epson Corporation Magneto-optic recording systems
CA1244322A (en) * 1984-09-14 1988-11-08 Robert W. Lee Hot pressed permanent magnet having high and low coercivity regions
AU573895B2 (en) * 1984-09-17 1988-06-23 Ovonic Synthetic Materials Company, Inc. Hard magnetic material
CA1273231A (en) * 1984-12-10 1990-08-28 Kalathur S.V.L. Narasimhan Permanent magnet alloy
CA1271394A (en) * 1985-02-25 1990-07-10 Karen S. Canavan Enhanced remanence permanent magnetic alloy and bodies thereof and method of preparing same
US4588439A (en) * 1985-05-20 1986-05-13 Crucible Materials Corporation Oxygen containing permanent magnet alloy
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
FR2586323B1 (fr) * 1985-08-13 1992-11-13 Seiko Epson Corp Aimant permanent a base de terres rares-fer
ATE68626T1 (de) * 1986-01-10 1991-11-15 Ovonic Synthetic Materials Permanentmagnetische legierung.
DE3779481T2 (de) * 1986-04-15 1992-12-24 Tdk Corp Dauermagnet und verfahren zu seiner herstellung.
EP0248981B1 (en) * 1986-06-12 1993-07-07 Kabushiki Kaisha Toshiba Permanent magnet and permanent magnetic alloy
US4778542A (en) * 1986-07-15 1988-10-18 General Motors Corporation High energy ball milling method for making rare earth-transition metal-boron permanent magnets
US5041171A (en) * 1986-07-18 1991-08-20 U.S. Philips Corporation Hard magnetic material
DE3685656T2 (de) * 1986-07-28 1993-01-14 Crucible Materials Corp Verfahren zur herstellung eines voellig dichten gegenstandes.
EP0261579B1 (en) * 1986-09-16 1993-01-07 Tokin Corporation A method for producing a rare earth metal-iron-boron permanent magnet by use of a rapidly-quenched alloy powder
EP0260746A1 (en) * 1986-09-17 1988-03-23 Koninklijke Philips Electronics N.V. Method of manufacturing flakes from a magnetic material having a preferred crystallite orientation, flakes and magnets manufactured therefrom
US4829277A (en) * 1986-11-20 1989-05-09 General Motors Corporation Isotropic rare earth-iron field magnets for magnetic resonance imaging
WO1993013247A1 (en) * 1986-12-23 1993-07-08 Hideo Tamamura Process for producing neodymium or alloy thereof
US4966661A (en) * 1986-12-23 1990-10-30 Showa Denko Kabushiki Kaisha Process for preparation of neodymium or neodymium alloy
US4902360A (en) * 1987-02-04 1990-02-20 Crucible Materials Corporation Permanent magnet alloy for elevated temperature applications
EP0284832A1 (de) * 1987-03-20 1988-10-05 Siemens Aktiengesellschaft Verfahren zur Herstellung eines anisotropen Magnetwerkstoffes auf Basis von Fe, B und einem Selten-Erd-Metall
US4865915A (en) * 1987-03-31 1989-09-12 Seiko Epson Corporation Resin coated permanent magnet
GB8707905D0 (en) * 1987-04-02 1987-05-07 Univ Birmingham Magnets
US5186761A (en) * 1987-04-30 1993-02-16 Seiko Epson Corporation Magnetic alloy and method of production
US5460662A (en) * 1987-04-30 1995-10-24 Seiko Epson Corporation Permanent magnet and method of production
ATE109921T1 (de) * 1987-04-30 1994-08-15 Seiko Epson Corp Dauermagnet und sein herstellungsverfahren.
US5116434A (en) * 1987-06-19 1992-05-26 Ovonic Synthetic Materials Company, Inc. Method of manufacturing, concentrating, and separating enhanced magnetic parameter material from other magnetic co-products
US5022939A (en) * 1987-07-30 1991-06-11 Tdk Corporation Permanent magnets
JPH01103805A (ja) * 1987-07-30 1989-04-20 Tdk Corp 永久磁石
US5015307A (en) * 1987-10-08 1991-05-14 Kawasaki Steel Corporation Corrosion resistant rare earth metal magnet
US5173206A (en) * 1987-12-14 1992-12-22 The B. F. Goodrich Company Passivated rare earth magnet or magnetic material compositions
US5006045A (en) * 1987-12-24 1991-04-09 Seiko Epson Corporation Scroll compressor with reverse rotation speed limiter
US5000796A (en) * 1988-02-23 1991-03-19 Eastman Kodak Company Anisotropic high energy magnets and a process of preparing the same
US4985085A (en) * 1988-02-23 1991-01-15 Eastman Kodak Company Method of making anisotropic magnets
US4892596A (en) * 1988-02-23 1990-01-09 Eastman Kodak Company Method of making fully dense anisotropic high energy magnets
US4925501A (en) * 1988-03-03 1990-05-15 General Motors Corporation Expolosive compaction of rare earth-transition metal alloys in a fluid medium
US4881985A (en) * 1988-08-05 1989-11-21 General Motors Corporation Method for producing anisotropic RE-FE-B type magnetically aligned material
EP0362812B1 (en) * 1988-10-04 1996-01-24 Hitachi Metals, Ltd. Bonded isotropic R-Fe-B-magnet and method for making it
US4929275A (en) * 1989-05-30 1990-05-29 Sps Technologies, Inc. Magnetic alloy compositions and permanent magnets
US5266128A (en) * 1989-06-13 1993-11-30 Sps Technologies, Inc. Magnetic materials and process for producing the same
US5244510A (en) * 1989-06-13 1993-09-14 Yakov Bogatin Magnetic materials and process for producing the same
US5114502A (en) * 1989-06-13 1992-05-19 Sps Technologies, Inc. Magnetic materials and process for producing the same
US4966633A (en) * 1989-06-26 1990-10-30 General Motors Corporation Coercivity in hot worked iron-neodymium boron type permanent magnets
JPH0344904A (ja) * 1989-07-12 1991-02-26 Matsushita Electric Ind Co Ltd 希土類・鉄系永久磁石の製造方法
US4900374A (en) * 1989-08-24 1990-02-13 General Motors Corporation Demagnetization of iron-neodymium-boron type permanent magnets without loss of coercivity
US4933025A (en) * 1989-10-02 1990-06-12 General Motors Corporation Method for enhancing magnetic properties of rare earth permanent magnets
US5114905A (en) * 1990-03-08 1992-05-19 Northeastern University Crystal alignment technique for superconductors
US5211770A (en) * 1990-03-22 1993-05-18 Mitsubishi Materials Corporation Magnetic recording powder having a high coercive force at room temperatures and a low curie point
US5143560A (en) * 1990-04-20 1992-09-01 Hitachi Metals, Inc., Ltd. Method for forming Fe-B-R-T alloy powder by hydrogen decrepitation of die-upset billets
US5814400A (en) * 1990-05-18 1998-09-29 Hitachi, Ltd. Magneto-optical recording medium and method
US5250206A (en) * 1990-09-26 1993-10-05 Mitsubishi Materials Corporation Rare earth element-Fe-B or rare earth element-Fe-Co-B permanent magnet powder excellent in magnetic anisotropy and corrosion resistivity and bonded magnet manufactured therefrom
DE4133214C2 (de) * 1990-10-05 1996-11-07 Hitachi Metals Ltd Aus Eisen-Seltenerdmetall-Legierung bestehendes Dauermagnetmaterial
JPH05503322A (ja) * 1990-10-09 1993-06-03 アイオワ・ステイト・ユニバーシティ・リサーチ・ファウンデーション・インコーポレイテッド 環境に対して安定な反応性を有する合金粉末及びその製造方法
US5242508A (en) * 1990-10-09 1993-09-07 Iowa State University Research Foundation, Inc. Method of making permanent magnets
US5240513A (en) * 1990-10-09 1993-08-31 Iowa State University Research Foundation, Inc. Method of making bonded or sintered permanent magnets
US5478411A (en) * 1990-12-21 1995-12-26 Provost, Fellows And Scholars Of The College Of The Holy And Undivided Trinity Of Queen Elizabeth Near Dublin Magnetic materials and processes for their production
US5093076A (en) * 1991-05-15 1992-03-03 General Motors Corporation Hot pressed magnets in open air presses
US5085828A (en) * 1991-05-15 1992-02-04 General Motors Corporation Cold press die lubrication method
US5178692A (en) * 1992-01-13 1993-01-12 General Motors Corporation Anisotropic neodymium-iron-boron powder with high coercivity and method for forming same
US5211766A (en) * 1992-01-21 1993-05-18 General Motors Corporation Anisotropic neodymium-iron-boron permanent magnets formed at reduced hot working temperatures
JP3248942B2 (ja) * 1992-03-24 2002-01-21 ティーディーケイ株式会社 冷却ロール、永久磁石材料の製造方法、永久磁石材料および永久磁石材料粉末
US5280011A (en) * 1992-04-30 1994-01-18 Northeastern University Alignment technique for anisotropicly conductive crystals utilizing a non-static magnetic field
US5395458A (en) * 1992-05-21 1995-03-07 General Motors Corporation Method to enhance the thermomechanical properties of hot-formed magnets and magnets formed thereby
US5314548A (en) * 1992-06-22 1994-05-24 General Motors Corporation Fine grained anisotropic powder from melt-spun ribbons
GB9215109D0 (en) * 1992-07-16 1992-08-26 Univ Sheffield Magnetic materials and method of making them
US5403408A (en) * 1992-10-19 1995-04-04 Inland Steel Company Non-uniaxial permanent magnet material
US5352301A (en) * 1992-11-20 1994-10-04 General Motors Corporation Hot pressed magnets formed from anisotropic powders
US5368657A (en) * 1993-04-13 1994-11-29 Iowa State University Research Foundation, Inc. Gas atomization synthesis of refractory or intermetallic compounds and supersaturated solid solutions
US5454998A (en) * 1994-02-04 1995-10-03 Ybm Technologies, Inc. Method for producing permanent magnet
US6022424A (en) * 1996-04-09 2000-02-08 Lockheed Martin Idaho Technologies Company Atomization methods for forming magnet powders
TW434589B (en) * 1996-07-17 2001-05-16 Sanei Kasei Co Ltd Raw material powder for modified permanent magnets and production method of the same
US5856715A (en) * 1996-12-13 1999-01-05 Ryobi North America, Inc. Portable electrical power tool having a rare earth permanent magnet motor
EP0959478B1 (en) 1997-02-06 2004-03-31 Sumitomo Special Metals Company Limited Method of manufacturing thin plate magnet having microcrystalline structure
US6692582B1 (en) * 1997-02-20 2004-02-17 Alps Electric Co., Ltd. Hard magnetic alloy, hard magnetic alloy compact and method for producing the same
US5905424A (en) * 1997-08-04 1999-05-18 Magnequench International, Inc. Bonded magnet made from gas atomized powders of rare earth alloy
US6332933B1 (en) 1997-10-22 2001-12-25 Santoku Corporation Iron-rare earth-boron-refractory metal magnetic nanocomposites
US6183572B1 (en) * 1997-12-30 2001-02-06 Magnequench International, Inc. Isotropic rare earth material of high intrinsic induction
CN1265401C (zh) 1998-07-13 2006-07-19 株式会社三德 制造纳米复合磁性材料的方法以及制造粘结磁体的方法
JP3186746B2 (ja) 1998-12-28 2001-07-11 セイコーエプソン株式会社 磁石粉末および等方性希土類ボンド磁石
US6302939B1 (en) 1999-02-01 2001-10-16 Magnequench International, Inc. Rare earth permanent magnet and method for making same
US6261515B1 (en) 1999-03-01 2001-07-17 Guangzhi Ren Method for producing rare earth magnet having high magnetic properties
US7195661B2 (en) * 1999-03-05 2007-03-27 Pioneer Metals And Technology, Inc. Magnetic material
US6524399B1 (en) 1999-03-05 2003-02-25 Pioneer Metals And Technology, Inc. Magnetic material
DE60131561T2 (de) * 2000-10-06 2008-03-06 Neomax Co., Ltd. Verfahren zur herstellung einer rohlegierung durch bandgiessen für dauermagnete aus nanoverbundwerkstoff
BR0115194B1 (pt) * 2000-11-08 2011-03-09 processos para produção de uma preparação reidratada de magaldrato em pó e de suspensões lìquidas que compreendem magaldrato.
US6790296B2 (en) * 2000-11-13 2004-09-14 Neomax Co., Ltd. Nanocomposite magnet and method for producing same
KR100535943B1 (ko) * 2001-05-15 2005-12-12 가부시키가이샤 네오맥스 철 기재의 희토류합금 자석 및 그 제조방법
KR100535944B1 (ko) 2001-07-31 2005-12-12 가부시키가이샤 네오맥스 애트마이즈법에 의한 나노컴포지트 자석의 제조방법
US6596096B2 (en) * 2001-08-14 2003-07-22 General Electric Company Permanent magnet for electromagnetic device and method of making
KR100535945B1 (ko) * 2001-11-22 2005-12-12 가부시키가이샤 네오맥스 나노컴포지트 자석
US6955729B2 (en) * 2002-04-09 2005-10-18 Aichi Steel Corporation Alloy for bonded magnets, isotropic magnet powder and anisotropic magnet powder and their production method, and bonded magnet
US6994755B2 (en) * 2002-04-29 2006-02-07 University Of Dayton Method of improving toughness of sintered RE-Fe-B-type, rare earth permanent magnets
JPWO2004003245A1 (ja) * 2002-06-28 2005-10-27 愛知製鋼株式会社 ボンド磁石用合金、等方性磁石粉末および異方性磁石粉末とそれらの製造方法並びにボンド磁石
US20040169434A1 (en) * 2003-01-02 2004-09-02 Washington Richard G. Slip ring apparatus
US7071591B2 (en) * 2003-01-02 2006-07-04 Covi Technologies Electromagnetic circuit and servo mechanism for articulated cameras
US6979409B2 (en) * 2003-02-06 2005-12-27 Magnequench, Inc. Highly quenchable Fe-based rare earth materials for ferrite replacement
USRE47863E1 (en) * 2003-06-02 2020-02-18 University Of Virginia Patent Foundation Non-ferromagnetic amorphous steel alloys containing large-atom metals
US20060054245A1 (en) * 2003-12-31 2006-03-16 Shiqiang Liu Nanocomposite permanent magnets
CN1938795B (zh) 2004-03-31 2012-05-02 Tdk株式会社 稀土类磁铁及其制造方法
US20060005898A1 (en) * 2004-06-30 2006-01-12 Shiqiang Liu Anisotropic nanocomposite rare earth permanent magnets and method of making
GB0423737D0 (en) * 2004-10-26 2004-11-24 Less Common Metals Ltd Method of reducing the free iron phase in iron containing rare earth-transition metal-boron type alloys
US8603213B1 (en) 2006-05-08 2013-12-10 Iowa State University Research Foundation, Inc. Dispersoid reinforced alloy powder and method of making
US7699905B1 (en) 2006-05-08 2010-04-20 Iowa State University Research Foundation, Inc. Dispersoid reinforced alloy powder and method of making
CN101202143B (zh) * 2007-11-09 2012-01-11 钢铁研究总院 高性能辐向热压磁环的制备方法
US20100001867A1 (en) * 2007-12-28 2010-01-07 Matthew Rodrigue Device, system and method for monitoring tank content levels
JP4961454B2 (ja) * 2009-05-12 2012-06-27 株式会社日立製作所 希土類磁石及びこれを用いたモータ
US8821650B2 (en) * 2009-08-04 2014-09-02 The Boeing Company Mechanical improvement of rare earth permanent magnets
CN101629264B (zh) * 2009-08-12 2011-04-20 北京科技大学 用于生产多种牌号烧结钕铁硼磁体的合金铸片
KR101055180B1 (ko) 2009-09-30 2011-08-08 한국기계연구원 망간-알루미늄 자성분말
CN103403821B (zh) 2011-03-02 2016-08-10 日立金属株式会社 稀土系粘结磁体的制造方法
CN104823249B (zh) * 2013-05-31 2018-01-05 北京有色金属研究总院 稀土永磁粉、包括其的粘结磁体及应用该粘结磁体的器件
US10460871B2 (en) 2015-10-30 2019-10-29 GM Global Technology Operations LLC Method for fabricating non-planar magnet

Family Cites Families (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2813789A (en) * 1952-04-08 1957-11-19 Glaser Louis Permanent magnet alloys
US3821035A (en) * 1972-05-01 1974-06-28 Gen Electric Sintered cobalt-neodymium-samarium intermetallic product and permanent magnets produced therefrom
SU420695A1 (ru) * 1972-06-20 1974-03-25 В. М. Чернов , Л. С. Ларина Сплав для изготовления литых постоянныхмагнитов
JPS5724058B2 (es) * 1973-11-12 1982-05-21
JPS5250598A (en) * 1975-10-20 1977-04-22 Seiko Instr & Electronics Ltd Rare earth-cobalt magnet
US4192696A (en) * 1975-12-02 1980-03-11 Bbc Brown Boveri & Company Limited Permanent-magnet alloy
JPS5328018A (en) * 1976-08-27 1978-03-15 Furukawa Electric Co Ltd:The Unticorrosive alloy having high permeability
JPS5476419A (en) * 1977-11-30 1979-06-19 Hitachi Metals Ltd High magnetic stress material
JPS55115304A (en) * 1979-02-28 1980-09-05 Daido Steel Co Ltd Permanent magnet material
JPS5629639A (en) * 1979-08-17 1981-03-25 Seiko Instr & Electronics Ltd Amorphous rare earth magnets and producing thereof
WO1981000861A1 (en) * 1979-09-21 1981-04-02 Hitachi Metals Ltd Amorphous alloys
JPS5647542A (en) * 1979-09-27 1981-04-30 Hitachi Metals Ltd Alloy for permanent magnet
JPS5647538A (en) * 1979-09-27 1981-04-30 Hitachi Metals Ltd Alloy for permanent magnet
US4308474A (en) * 1979-11-14 1981-12-29 The United States Of America As Represented By The Secretary Of The Navy Rare earth-iron magnetostrictive materials and devices using these materials
DE3040342C2 (de) * 1980-10-25 1982-08-12 Th. Goldschmidt Ag, 4300 Essen Zur Herstellung eines Dauermagneten geeignete Legierung
JPS57141901A (en) * 1981-02-26 1982-09-02 Mitsubishi Steel Mfg Co Ltd Permanent magnet powder
US4440568A (en) * 1981-06-30 1984-04-03 Foote Mineral Company Boron alloying additive for continuously casting boron steel
US4374665A (en) * 1981-10-23 1983-02-22 The United States Of America As Represented By The Secretary Of The Navy Magnetostrictive devices
US4409043A (en) * 1981-10-23 1983-10-11 The United States Of America As Represented By The Secretary Of The Navy Amorphous transition metal-lanthanide alloys
US4402770A (en) * 1981-10-23 1983-09-06 The United States Of America As Represented By The Secretary Of The Navy Hard magnetic alloys of a transition metal and lanthanide
JPS58123853A (ja) * 1982-01-18 1983-07-23 Fujitsu Ltd 希土類−鉄系永久磁石およびその製造方法

Also Published As

Publication number Publication date
DE3379131D1 (en) 1989-03-09
EP0108474A2 (en) 1984-05-16
EP0108474A3 (en) 1985-09-25
US4802931A (en) 1989-02-07
EP0108474B2 (en) 1995-06-21
AU1847783A (en) 1984-03-08
ES525336A0 (es) 1985-01-16
AU570928B2 (en) 1988-03-31
BR8304762A (pt) 1984-04-10
EP0108474B1 (en) 1989-02-01
MX7696E (es) 1990-09-05

Similar Documents

Publication Publication Date Title
ES8502738A1 (es) Un metodo de fabricar una composicion de aleacion fuertemente magnetica.
ES8503163A1 (es) Un metodo de fabricacion de un iman permanente aglomerado
GB2219309B (en) Permanent magnet and method for producing the same
JPS54124822A (en) Permanent magnet material
US4544904A (en) Composite magnet and magnetic circuit
DE3479940D1 (en) High energy product rare earth-transition metal magnet alloys containing boron
EP0325403A3 (en) Resin bonded magnets
MX9201942A (es) Metodo para la produccion de particulas magneticas de tierras raras con coercitividad mejorada.
JPS5511339A (en) Permanent magnet
JPS52109191A (en) Permanent magnet
GB1449687A (en) Method of magnetising a magnet body
EP0265016A3 (en) Process of making a permanent magnet
JPS57161044A (en) Permanent magnet containing rare earth element and its manufacture
ES8106181A1 (es) Procedimiento para la obtencion de aleaciones magneticas conteniendo fe-cr-co.
GB1573190A (en) Method of manufacturing plastic bonded permanent magnets
JPS56150153A (en) Permanent magnet alloy
ATE26360T1 (de) Samarium-kobalt-magnetlegierung.
GB1392915A (en) Method of manufacturing permanent magnets from a cast cobalt samarium alloy
EP0338597A3 (en) Permanent magnets
Toita et al. Application Examples of Rare Metals in Magnetic Materials
Tokunaga et al. Magnetic Properties of Pr (Fe--B--Si) z Permanent Magnets.(Retroactive Coverage)
Wu et al. Rare Earth--Cobalt Permanent Magnet of the Type Nd sub x Sm sub 0. 5--x Ce sub 0. 5(Co sub 0. 824 Cu sub 0. 118 Mn sub 0. 059) sub 6. 8.(Retroactive Coverage)
SU851504A1 (ru) Способ намагничивани посто нныхМАгНиТОВ
Bohlmann Utilizing Temperature Effects in Magnetizing Rare Earth Magnets.(Retroactive Coverage)
ZA836400B (en) High energy product rare earth-transition metal magnet alloys