DE3582048D1 - Dauermagnet und verfahren zu seiner herstellung. - Google Patents

Dauermagnet und verfahren zu seiner herstellung.

Info

Publication number
DE3582048D1
DE3582048D1 DE8585309532T DE3582048T DE3582048D1 DE 3582048 D1 DE3582048 D1 DE 3582048D1 DE 8585309532 T DE8585309532 T DE 8585309532T DE 3582048 T DE3582048 T DE 3582048T DE 3582048 D1 DE3582048 D1 DE 3582048D1
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 - Fee Related
Application number
DE8585309532T
Other languages
English (en)
Inventor
Kaneo Mohri
Jiro Yamasaki
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 JP59280125A external-priority patent/JPH0630295B2/ja
Application filed by TDK Corp filed Critical TDK Corp
Application granted granted Critical
Publication of DE3582048D1 publication Critical patent/DE3582048D1/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
    • 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
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Hard Magnetic Materials (AREA)
DE8585309532T 1984-12-31 1985-12-30 Dauermagnet und verfahren zu seiner herstellung. Expired - Fee Related DE3582048D1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP59280125A JPH0630295B2 (ja) 1984-12-31 1984-12-31 永久磁石
JP25981685 1985-11-21

Publications (1)

Publication Number Publication Date
DE3582048D1 true DE3582048D1 (de) 1991-04-11

Family

ID=26544297

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8585309532T Expired - Fee Related DE3582048D1 (de) 1984-12-31 1985-12-30 Dauermagnet und verfahren zu seiner herstellung.

Country Status (3)

Country Link
US (1) US4765848A (de)
EP (1) EP0187538B1 (de)
DE (1) DE3582048D1 (de)

Families Citing this family (66)

* 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
US6136099A (en) * 1985-08-13 2000-10-24 Seiko Epson Corporation Rare earth-iron series permanent magnets and method of preparation
US5538565A (en) * 1985-08-13 1996-07-23 Seiko Epson Corporation Rare earth cast alloy permanent magnets and methods of preparation
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
US4836868A (en) * 1986-04-15 1989-06-06 Tdk Corporation Permanent magnet and method of producing same
DE3685656T2 (de) * 1986-07-28 1993-01-14 Crucible Materials Corp Verfahren zur herstellung eines voellig dichten gegenstandes.
US5460662A (en) * 1987-04-30 1995-10-24 Seiko Epson Corporation Permanent magnet and method of production
DE3752160T2 (de) * 1987-04-30 1998-04-16 Seiko Epson Corp Magnetische Legierung und Herstellungsverfahren
US5186761A (en) * 1987-04-30 1993-02-16 Seiko Epson Corporation Magnetic alloy and method of production
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
GB8722689D0 (en) * 1987-09-26 1987-11-04 Penny & Giles Conductive Plast Forged body
US5006045A (en) * 1987-12-24 1991-04-09 Seiko Epson Corporation Scroll compressor with reverse rotation speed limiter
US4975213A (en) * 1988-01-19 1990-12-04 Kabushiki Kaisha Toshiba Resin-bonded rare earth-iron-boron magnet
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
US5000796A (en) * 1988-02-23 1991-03-19 Eastman Kodak Company Anisotropic high energy magnets and a process of preparing the same
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
JP3057448B2 (ja) * 1988-05-26 2000-06-26 信越化学工業株式会社 希土類永久磁石
JPH0257662A (ja) * 1988-08-23 1990-02-27 M G:Kk ボンド磁石用急冷薄帯合金
JP2787580B2 (ja) * 1988-10-06 1998-08-20 眞人 佐川 熱処理性がすぐれたＮｄ−Ｆｅ−Ｂ系焼結磁石
ATE106599T1 (de) * 1988-10-17 1994-06-15 Philips Nv Verfahren zum herstellen eines dauermagneten.
US5147473A (en) † 1989-08-25 1992-09-15 Dowa Mining Co., Ltd. Permanent magnet alloy having improved resistance to oxidation and process for production thereof
US5037492A (en) * 1989-12-19 1991-08-06 General Motors Corporation Alloying low-level additives into hot-worked Nd-Fe-B magnets
JP3033127B2 (ja) * 1990-05-16 2000-04-17 大同特殊鋼株式会社 熱間加工性の良好な希土類磁石合金
US5403408A (en) * 1992-10-19 1995-04-04 Inland Steel Company Non-uniaxial permanent magnet material
EP1018751B1 (de) * 1997-02-14 2005-08-17 Neomax Co., Ltd. Dünnes plattenmagnet mit mikrokristalline struktur
US6332933B1 (en) * 1997-10-22 2001-12-25 Santoku Corporation Iron-rare earth-boron-refractory metal magnetic nanocomposites
ATE354858T1 (de) * 1998-07-13 2007-03-15 Santoku Corp Auf eisen-seltenerd-bor basierte leistungsfähige magnetische materialien
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
US6319335B1 (en) * 1999-02-15 2001-11-20 Shin-Etsu Chemical Co., Ltd. Quenched thin ribbon of rare earth/iron/boron-based magnet alloy
EP1059645B1 (de) * 1999-06-08 2006-06-14 Shin-Etsu Chemical Co., Ltd. Dünnes Band einer dauermagnetischen Legierung auf Seltenerdbasis
US6261387B1 (en) 1999-09-24 2001-07-17 Magnequench International, Inc. Rare-earth iron-boron magnet containing cerium and lanthanum
US6375759B1 (en) * 1999-11-30 2002-04-23 Sandia Corporation Batch fabrication of precision miniature permanent magnets
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
CA2447933A1 (en) * 2001-05-23 2002-11-28 Abdelali Hannoufa A repressor-mediated regulation system for control of gene expression in plants
US6833036B2 (en) * 2001-06-29 2004-12-21 Tdk Corporation Rare earth permanent magnet
US6596096B2 (en) * 2001-08-14 2003-07-22 General Electric Company Permanent magnet for electromagnetic device and method of making
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
US9175885B2 (en) 2007-02-12 2015-11-03 Vacuumschmelze Gmbh & Co. Kg Article made of a granular magnetocalorically active material for heat exchange
DE112007003401T5 (de) 2007-12-27 2010-01-07 Vacuumschmelze Gmbh & Co. Kg Verbundgegenstand mit magnetokalorisch aktivem Material und Verfahren zu seiner Herstellung
GB2463931B (en) * 2008-10-01 2011-01-12 Vacuumschmelze Gmbh & Co Kg Method for producing a magnetic article
CN102282632B (zh) 2008-10-01 2015-02-11 真空熔焠有限两合公司 包括至少一磁热活性相的制品及包括至少一磁热活性相的制品的加工方法
DE112009001803B4 (de) 2009-05-06 2023-09-21 Vacuumschmelze Gmbh & Co. Kg Verfahren zur Herstellung eines Gegenstandes für magnetischen Wärmeaustausch
US8821650B2 (en) * 2009-08-04 2014-09-02 The Boeing Company Mechanical improvement of rare earth permanent magnets
EP2511920B1 (de) * 2009-12-09 2016-04-27 Aichi Steel Corporation Herstellungsverfahren für anisotropen seltenerdmagnet
GB2482880B (en) 2010-08-18 2014-01-29 Vacuumschmelze Gmbh & Co Kg An article for magnetic heat exchange and a method of fabricating a working component for magnetic heat exchange
DE112014001585T5 (de) 2013-03-22 2016-01-21 Tdk Corporation R-T-B-Basierter Dauermagnet
JP5708887B2 (ja) * 2013-03-22 2015-04-30 Tdk株式会社 Ｒ−ｔ−ｂ系永久磁石
DE112014001584T5 (de) * 2013-03-22 2016-01-21 Tdk Corporation R-T-B-Basierter Dauermagnet
JP6221978B2 (ja) * 2014-07-25 2017-11-01 トヨタ自動車株式会社 希土類磁石の製造方法
CN107077935A (zh) * 2014-12-08 2017-08-18 Lg电子株式会社 包含非磁性合金的热压变形的磁体及其制造方法
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
CN105427994B (zh) * 2015-12-16 2018-04-06 浙江东阳东磁稀土有限公司 一种耐腐蚀的富镧铈烧结钕铁硼磁体及制造方法
JP6332259B2 (ja) * 2015-12-24 2018-05-30 日亜化学工業株式会社 異方性磁性粉末およびその製造方法
US10892076B2 (en) * 2016-12-28 2021-01-12 Toyota Jidosha Kabushiki Kaisha Rare earth magnet and method of producing the same
JP6642419B2 (ja) * 2016-12-28 2020-02-05 トヨタ自動車株式会社 希土類磁石
JP6447768B2 (ja) 2017-05-17 2019-01-09 日亜化学工業株式会社 異方性磁性粉末用二次粒子および異方性磁性粉末の製造方法
CN110544569A (zh) * 2019-08-24 2019-12-06 宁波合力磁材技术有限公司 一种钕铁硼磁铁及其生产工艺
US11721479B2 (en) * 2019-08-29 2023-08-08 Toyota Jidosha Kabushiki Kaisha Rare earth magnets
CN110660553A (zh) * 2019-09-06 2020-01-07 包头市科锐微磁新材料有限责任公司 一种各向同性热压钕铁硼快淬磁粉及其制备方法
JP7303157B2 (ja) * 2020-06-01 2023-07-04 トヨタ自動車株式会社 希土類磁石及びその製造方法
JP7294288B2 (ja) 2020-09-25 2023-06-20 トヨタ自動車株式会社 磁性材料及びその製造方法
CN116110707B (zh) * 2023-02-28 2023-08-15 宁波新越磁性科技有限公司 一种烧结Nd-Fe-B永磁体及其制备方法

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5524909A (en) * 1978-06-22 1980-02-22 Hitachi Metals Ltd Permanent magnet alloy
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
US4533408A (en) * 1981-10-23 1985-08-06 Koon Norman C Preparation of 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
CA1316375C (en) * 1982-08-21 1993-04-20 Masato Sagawa Magnetic materials and permanent magnets
CA1315571C (en) * 1982-08-21 1993-04-06 Masato Sagawa Magnetic materials and permanent magnets
US4597938A (en) * 1983-05-21 1986-07-01 Sumitomo Special Metals Co., Ltd. Process for producing permanent magnet materials
JPS60184603A (ja) * 1984-03-01 1985-09-20 Sumitomo Special Metals Co Ltd 永久磁石用合金粉末の成形方法
US4558077A (en) * 1984-03-08 1985-12-10 General Motors Corporation Epoxy bonded rare earth-iron magnets
JPS60224761A (ja) * 1984-04-23 1985-11-09 Seiko Epson Corp 永久磁石合金
JPS60224757A (ja) * 1984-04-23 1985-11-09 Seiko Epson Corp 永久磁石合金

Also Published As

Publication number Publication date
EP0187538A3 (en) 1987-05-27
EP0187538A2 (de) 1986-07-16
EP0187538B1 (de) 1991-03-06
US4765848A (en) 1988-08-23

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee