DE3779481D1 - Dauermagnet und verfahren zu seiner herstellung. - Google Patents

Dauermagnet und verfahren zu seiner herstellung.

Info

Publication number
DE3779481D1
DE3779481D1 DE8787303284T DE3779481T DE3779481D1 DE 3779481 D1 DE3779481 D1 DE 3779481D1 DE 8787303284 T DE8787303284 T DE 8787303284T DE 3779481 T DE3779481 T DE 3779481T DE 3779481 D1 DE3779481 D1 DE 3779481D1
Authority
DE
Germany
Prior art keywords
production
permanent magnet
permanent
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 - Lifetime
Application number
DE8787303284T
Other languages
English (en)
Other versions
DE3779481T2 (de
Inventor
Kohichi Yajima
Osamu Kohmoto
Tetsuhito Yoneyama
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.)
TDK Corp
Original Assignee
TDK Corp
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
Priority claimed from JP62052215A external-priority patent/JP2727505B2/ja
Priority claimed from JP62062198A external-priority patent/JP2727506B2/ja
Application filed by TDK Corp filed Critical TDK Corp
Publication of DE3779481D1 publication Critical patent/DE3779481D1/de
Application granted granted Critical
Publication of DE3779481T2 publication Critical patent/DE3779481T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • 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
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K2201/00—Indexing scheme relating to printed circuits covered by H05K1/00
    • H05K2201/10—Details of components or other objects attached to or integrated in a printed circuit board
    • H05K2201/10613—Details of electrical connections of non-printed components, e.g. special leads
    • H05K2201/10954—Other details of electrical connections
    • H05K2201/10977—Encapsulated connections

Landscapes

  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Hard Magnetic Materials (AREA)
DE8787303284T 1986-04-15 1987-04-14 Dauermagnet und verfahren zu seiner herstellung. Expired - Lifetime DE3779481T2 (de)

Applications Claiming Priority (9)

Application Number Priority Date Filing Date Title
JP8685086 1986-04-15
JP9424786 1986-04-23
JP10997186 1986-05-14
JP10997286 1986-05-14
JP10997086 1986-05-14
JP11108786 1986-05-15
JP2350987 1987-02-05
JP62052215A JP2727505B2 (ja) 1986-04-15 1987-03-09 永久磁石およびその製造方法
JP62062198A JP2727506B2 (ja) 1986-04-15 1987-03-17 永久磁石およびその製造方法

Publications (2)

Publication Number Publication Date
DE3779481D1 true DE3779481D1 (de) 1992-07-09
DE3779481T2 DE3779481T2 (de) 1992-12-24

Family

ID=27576759

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8787303284T Expired - Lifetime DE3779481T2 (de) 1986-04-15 1987-04-14 Dauermagnet und verfahren zu seiner herstellung.

Country Status (3)

Country Link
US (1) US4836868A (de)
EP (1) EP0242187B1 (de)
DE (1) DE3779481T2 (de)

Families Citing this family (48)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01103805A (ja) * 1987-07-30 1989-04-20 Tdk Corp 永久磁石
US4975213A (en) * 1988-01-19 1990-12-04 Kabushiki Kaisha Toshiba Resin-bonded rare earth-iron-boron magnet
EP0389626B1 (de) * 1988-06-03 1996-11-13 Mitsubishi Materials Corporation Gesinterter seltenerdelement-b-fe-magnet und verfahren zur herstellung
US5190684A (en) * 1988-07-15 1993-03-02 Matsushita Electric Industrial Co., Ltd. Rare earth containing resin-bonded magnet and its production
JPH0257662A (ja) * 1988-08-23 1990-02-27 M G:Kk ボンド磁石用急冷薄帯合金
DE68925506T2 (de) * 1988-10-04 1996-09-19 Hitachi Metals Ltd Gebundener R-Fe-B-Magnet und Verfahren zur Herstellung
DE68915680T2 (de) * 1988-10-17 1994-12-15 Philips Nv Verfahren zum Herstellen eines Dauermagneten.
JPH02139907A (ja) * 1988-11-18 1990-05-29 Shin Etsu Chem Co Ltd 極異方性希土類磁石の製造方法
US5122203A (en) * 1989-06-13 1992-06-16 Sps Technologies, Inc. Magnetic materials
US5266128A (en) * 1989-06-13 1993-11-30 Sps Technologies, Inc. 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
US5244510A (en) * 1989-06-13 1993-09-14 Yakov Bogatin Magnetic materials and process for producing the same
US5403408A (en) * 1992-10-19 1995-04-04 Inland Steel Company Non-uniaxial permanent magnet material
US5725792A (en) * 1996-04-10 1998-03-10 Magnequench International, Inc. Bonded magnet with low losses and easy saturation
US6332933B1 (en) * 1997-10-22 2001-12-25 Santoku Corporation Iron-rare earth-boron-refractory metal magnetic nanocomposites
JP2000003808A (ja) * 1997-12-02 2000-01-07 Alps Electric Co Ltd 硬磁性材料
CA2336011A1 (en) * 1998-07-13 2000-01-20 Santoku America, Inc. High performance iron-rare earth-boron-refractory-cobalt nanocomposites
US6302939B1 (en) 1999-02-01 2001-10-16 Magnequench International, Inc. Rare earth permanent magnet and method for making same
JP3593940B2 (ja) 2000-01-07 2004-11-24 セイコーエプソン株式会社 磁石粉末および等方性ボンド磁石
JP3593939B2 (ja) 2000-01-07 2004-11-24 セイコーエプソン株式会社 磁石粉末および等方性ボンド磁石
KR100562681B1 (ko) 2000-05-24 2006-03-23 가부시키가이샤 네오맥스 복수의 강자성상을 포함하는 영구자석 및 그 제조방법
JP4243413B2 (ja) * 2000-05-31 2009-03-25 セイコーエプソン株式会社 磁石粉末の製造方法およびボンド磁石の製造方法
JP4243415B2 (ja) * 2000-06-06 2009-03-25 セイコーエプソン株式会社 磁石粉末の製造方法およびボンド磁石の製造方法
US7004228B2 (en) * 2000-10-06 2006-02-28 Santoku Corporation Process for producing, through strip casting, raw alloy for nanocomposite type permanent magnet
US6790296B2 (en) 2000-11-13 2004-09-14 Neomax Co., Ltd. Nanocomposite magnet and method for producing same
US7217328B2 (en) * 2000-11-13 2007-05-15 Neomax Co., Ltd. Compound for rare-earth bonded magnet and bonded magnet using the compound
JP4023138B2 (ja) * 2001-02-07 2007-12-19 日立金属株式会社 鉄基希土類合金粉末および鉄基希土類合金粉末を含むコンパウンドならびにそれを用いた永久磁石
WO2002093591A2 (en) * 2001-05-15 2002-11-21 Sumitomo Special Metals Co., Ltd. Iron-based rare earth alloy nanocomposite magnet and method for producing the same
EP1432806A2 (de) * 2001-05-23 2004-06-30 Her Majesty The Queen in Right of Canada, as Represented by The Minister of Agriculture and Agri-Food Repressorvermitteltes regulationssystem zur kontrolle der genexpression in pflanzen
JP4055709B2 (ja) * 2001-07-31 2008-03-05 日立金属株式会社 アトマイズ法によるナノコンポジット磁石の製造方法
US6596096B2 (en) * 2001-08-14 2003-07-22 General Electric Company Permanent magnet for electromagnetic device and method of making
WO2003044812A1 (en) * 2001-11-22 2003-05-30 Sumitomo Special Metals Co., Ltd. Nanocomposite magnet
US20050067052A1 (en) * 2002-06-28 2005-03-31 Yoshimobu Honkura Alloy for use in bonded magnet, isotropic magnet powder and anisotropic magnet powder and method for production thereof, and bonded magnet
DE60317460T2 (de) * 2002-09-30 2008-09-18 Tdk Corp. Seltenerdelement-permanentmagnet auf r-t-b-basis
US7255751B2 (en) * 2002-09-30 2007-08-14 Tdk Corporation Method for manufacturing R-T-B system rare earth permanent magnet
WO2004036602A1 (en) * 2002-10-17 2004-04-29 Neomax Co., Ltd. Nanocomposite magnet and method for producing the same
US20040079445A1 (en) * 2002-10-24 2004-04-29 Zhongmin Chen High performance magnetic materials with low flux-aging loss
WO2004046409A2 (en) * 2002-11-18 2004-06-03 Iowa State University Research Foundation, Inc. Permanent magnet alloy with improved high temperature performance
US6979409B2 (en) * 2003-02-06 2005-12-27 Magnequench, Inc. Highly quenchable Fe-based rare earth materials for ferrite replacement
US7255752B2 (en) * 2003-03-28 2007-08-14 Tdk Corporation Method for manufacturing R-T-B system rare earth permanent magnet
US7390579B2 (en) 2003-11-25 2008-06-24 Magnequench, Inc. Coating formulation and application of organic passivation layer onto iron-based rare earth powders
US20070131309A1 (en) * 2003-12-10 2007-06-14 Neomax Co., Ltd. Nano-composite magnet, quenched alloy for nano-composite magnet, and method for producing them and method for distinguishing them
US8821650B2 (en) * 2009-08-04 2014-09-02 The Boeing Company Mechanical improvement of rare earth permanent magnets
CN102969112B (zh) * 2012-12-05 2016-04-27 麦格昆磁（天津）有限公司 稀土永磁粉及其制备方法以及由其制备的磁体和磁性器件
US9953751B2 (en) * 2013-03-22 2018-04-24 Tdk Corporation R-T-B based permanent magnet
DE112014001585T5 (de) 2013-03-22 2016-01-21 Tdk Corporation R-T-B-Basierter Dauermagnet
CN104851583B (zh) * 2015-06-01 2017-01-11 四川省有色冶金研究院有限公司 富铈稀土含量烧结Nd-Fe-B磁体的工艺
CN110534279A (zh) * 2019-08-23 2019-12-03 华南理工大学 一种纯高丰度稀土Ce,La,Y基多元纳米晶永磁合金及制备

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57141901A (en) * 1981-02-26 1982-09-02 Mitsubishi Steel Mfg Co Ltd Permanent magnet powder
US4533408A (en) * 1981-10-23 1985-08-06 Koon Norman C Preparation of hard magnetic alloys of a transition metal and lanthanide
CA1316375C (en) * 1982-08-21 1993-04-20 Masato Sagawa Magnetic materials and permanent magnets
EP0108474B2 (de) * 1982-09-03 1995-06-21 General Motors Corporation RE-TM-B Legierungen, deren Herstellung und permanent Magnete die solche Legierungen enthalten
CA1216623A (en) * 1983-05-09 1987-01-13 John J. Croat Bonded rare earth-iron magnets
US4601875A (en) * 1983-05-25 1986-07-22 Sumitomo Special Metals Co., Ltd. Process for producing magnetic materials
JPS609852A (ja) * 1983-06-24 1985-01-18 ゼネラル・モ−タ−ズ・コ−ポレ−シヨン 高エネルギ−積の稀土類−鉄磁石合金
JPS60224761A (ja) * 1984-04-23 1985-11-09 Seiko Epson Corp 永久磁石合金
US4765848A (en) * 1984-12-31 1988-08-23 Kaneo Mohri Permanent magnent and method for producing same
JPH0689546A (ja) * 1992-04-20 1994-03-29 Nec Corp 磁気ヘッド位置決め制御装置
JP3411052B2 (ja) * 1992-12-10 2003-05-26 トヨタ自動車株式会社 油圧蓄圧装置

Also Published As

Publication number Publication date
US4836868A (en) 1989-06-06
US4836868B1 (de) 1992-05-12
DE3779481T2 (de) 1992-12-24
EP0242187B1 (de) 1992-06-03
EP0242187A1 (de) 1987-10-21

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