ATE153170T1 - Seltenerd-eisen-bor legierungspulver für dauermagneten - Google Patents

Seltenerd-eisen-bor legierungspulver für dauermagneten

Info

Publication number
ATE153170T1
ATE153170T1 AT92301711T AT92301711T ATE153170T1 AT E153170 T1 ATE153170 T1 AT E153170T1 AT 92301711 T AT92301711 T AT 92301711T AT 92301711 T AT92301711 T AT 92301711T AT E153170 T1 ATE153170 T1 AT E153170T1
Authority
AT
Austria
Prior art keywords
phase
atomic
rare earth
partially
produced
Prior art date
Application number
AT92301711T
Other languages
English (en)
Inventor
Atsushi Hamamura
Katsumi Okayama
Yuji Kaneko
Yasuhiro Okajima
Kaname Takeya
Shuji Okada
Original Assignee
Sumitomo Spec Metals
Sumitomo Metal Mining 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
Application filed by Sumitomo Spec Metals, Sumitomo Metal Mining Co filed Critical Sumitomo Spec Metals
Application granted granted Critical
Publication of ATE153170T1 publication Critical patent/ATE153170T1/de

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
    • H01F1/0573—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 obtained by reduction or by hydrogen decrepitation or embrittlement
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Hard Magnetic Materials (AREA)
  • Powder Metallurgy (AREA)
AT92301711T 1992-01-29 1992-02-28 Seltenerd-eisen-bor legierungspulver für dauermagneten ATE153170T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4040137A JP2782024B2 (ja) 1992-01-29 1992-01-29 Ｒ−Ｆｅ−Ｂ系永久磁石用原料粉末の製造方法

Publications (1)

Publication Number Publication Date
ATE153170T1 true ATE153170T1 (de) 1997-05-15

Family

ID=12572403

Family Applications (1)

Application Number Title Priority Date Filing Date
AT92301711T ATE153170T1 (de) 1992-01-29 1992-02-28 Seltenerd-eisen-bor legierungspulver für dauermagneten

Country Status (5)

Country Link
US (1) US5281250A (de)
EP (1) EP0553527B1 (de)
JP (1) JP2782024B2 (de)
AT (1) ATE153170T1 (de)
DE (1) DE69219753T2 (de)

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3932143B2 (ja) * 1992-02-21 2007-06-20 Ｔｄｋ株式会社 磁石の製造方法
RU2113742C1 (ru) * 1993-07-06 1998-06-20 Сумитомо Спешиал Металз Ко., Лтд. Материалы r-fe-b постоянных магнитов и способы их получения
DE69434323T2 (de) * 1993-11-02 2006-03-09 Tdk Corp. Preparation d'un aimant permanent
US6139765A (en) * 1993-11-11 2000-10-31 Seiko Epson Corporation Magnetic powder, permanent magnet produced therefrom and process for producing them
US5647886A (en) * 1993-11-11 1997-07-15 Seiko Epson Corporation Magnetic powder, permanent magnet produced therefrom and process for producing them
US5907105A (en) * 1997-07-21 1999-05-25 General Motors Corporation Magnetostrictive torque sensor utilizing RFe2 -based composite materials
US6332933B1 (en) 1997-10-22 2001-12-25 Santoku Corporation Iron-rare earth-boron-refractory metal magnetic nanocomposites
US6159308A (en) * 1997-12-12 2000-12-12 Hitachi Metals, Ltd. Rare earth permanent magnet and production method thereof
DE69935231T2 (de) 1998-07-13 2007-12-20 Santoku Corp., Kobe Leistungsfähige magnetische Materalien, die Eisen, Seltenerdmetalle, Bor, schwer schmelzende Metalle und Kobalt einschließen
US6377049B1 (en) 1999-02-12 2002-04-23 General Electric Company Residuum rare earth magnet
US6120620A (en) * 1999-02-12 2000-09-19 General Electric Company Praseodymium-rich iron-boron-rare earth composition, permanent magnet produced therefrom, and method of making
US6696015B2 (en) 1999-03-03 2004-02-24 Sumitomo Special Metals Co., Ltd. Method for producing rare-earth magnet
CN1187152C (zh) * 1999-03-03 2005-02-02 株式会社新王磁材 稀土磁铁烧结用烧结箱及用该箱烧结处理的稀土磁铁制法
KR100517642B1 (ko) * 2002-10-25 2005-09-29 한국과학기술연구원 Ｐｒ－Ｆｅ－Ｂ계 자성분말 조성물 및 그 제조방법
AU2003291539A1 (en) * 2002-11-18 2004-06-15 Iowa State University Research Foundation, Inc. Permanent magnet alloy with improved high temperature performance
US20050062572A1 (en) * 2003-09-22 2005-03-24 General Electric Company Permanent magnet alloy for medical imaging system and method of making
US8821650B2 (en) * 2009-08-04 2014-09-02 The Boeing Company Mechanical improvement of rare earth permanent magnets
CN102110507B (zh) * 2010-12-16 2012-10-17 麦格昆磁（天津）有限公司 一种超细颗粒的钕铁硼磁粉
JP2014026221A (ja) * 2012-07-30 2014-02-06 Canon Chemicals Inc 電子写真用磁気シール部材および電子写真用カートリッジ
BR112015031725A2 (pt) 2013-06-17 2017-07-25 Urban Mining Tech Company Llc método para fabricação de um imã permanente de nd-fe-b reciclado
US9336932B1 (en) 2014-08-15 2016-05-10 Urban Mining Company Grain boundary engineering

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59219404A (ja) * 1983-05-27 1984-12-10 Sumitomo Special Metals Co Ltd 希土類・鉄・ボロン系永久磁石用合金粉末の製造方法
JPS6181603A (ja) * 1984-09-04 1986-04-25 Tohoku Metal Ind Ltd 希土類磁石の製造方法
EP0261579B1 (de) * 1986-09-16 1993-01-07 Tokin Corporation Verfahren zur Herstellung eines Seltenerd-Eisen-Bor-Dauermagneten mit Hilfe eines abgeschreckten Legierungspuders
JPS63127504A (ja) * 1986-11-17 1988-05-31 Taiyo Yuden Co Ltd 磁石及びその製造方法
US4975213A (en) * 1988-01-19 1990-12-04 Kabushiki Kaisha Toshiba Resin-bonded rare earth-iron-boron magnet
US4968347A (en) * 1988-11-22 1990-11-06 The United States Of America As Represented By The United States Department Of Energy High energy product permanent magnet having improved intrinsic coercivity and method of making same
JPH02288305A (ja) * 1989-04-28 1990-11-28 Nippon Steel Corp 希土類磁石及びその製造方法
JPH0371601A (ja) * 1989-08-10 1991-03-27 Nippon Steel Corp 希土類磁石の製造方法
JP2675430B2 (ja) * 1989-10-12 1997-11-12 川崎製鉄株式会社 耐蝕性希土類―遷移金属系磁石およびその製造方法

Also Published As

Publication number Publication date
DE69219753T2 (de) 1997-11-27
EP0553527B1 (de) 1997-05-14
JPH05205925A (ja) 1993-08-13
US5281250A (en) 1994-01-25
JP2782024B2 (ja) 1998-07-30
EP0553527A1 (de) 1993-08-04
DE69219753D1 (de) 1997-06-19

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Legal Events

Date Code Title Description
UEP Publication of translation of european patent specification
REN Ceased due to non-payment of the annual fee