ATE169423T1 - Verfahren zur herstellung von r-fe-b permanentmagneten - Google Patents

Verfahren zur herstellung von r-fe-b permanentmagneten

Info

Publication number
ATE169423T1
ATE169423T1 AT93302124T AT93302124T ATE169423T1 AT E169423 T1 ATE169423 T1 AT E169423T1 AT 93302124 T AT93302124 T AT 93302124T AT 93302124 T AT93302124 T AT 93302124T AT E169423 T1 ATE169423 T1 AT E169423T1
Authority
AT
Austria
Prior art keywords
compound
rich
principal phase
alloy powder
starting
Prior art date
Application number
AT93302124T
Other languages
English (en)
Inventor
Yuji Kaneko
Koki Tokuhara
Original Assignee
Sumitomo Spec Metals
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 JP4093779A external-priority patent/JP2898463B2/ja
Priority claimed from JP4116977A external-priority patent/JP2886384B2/ja
Application filed by Sumitomo Spec Metals filed Critical Sumitomo Spec Metals
Application granted granted Critical
Publication of ATE169423T1 publication Critical patent/ATE169423T1/de

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01FMAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F1/00Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties
    • H01F1/01Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials
    • H01F1/03Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity
    • H01F1/032Magnets 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
    • H01F1/04Magnets 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
    • H01F1/047Alloys characterised by their composition
    • H01F1/053Alloys characterised by their composition containing rare earth metals
    • H01F1/055Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5
    • H01F1/057Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5 and IIIa elements, e.g. Nd2Fe14B
    • H01F1/0571Alloys 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
    • H01F1/0575Alloys 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
    • H01F1/0577Alloys 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
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01FMAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F1/00Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties
    • H01F1/01Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials
    • H01F1/03Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity
    • H01F1/032Magnets 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
    • H01F1/04Magnets 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
    • H01F1/047Alloys characterised by their composition
    • H01F1/053Alloys characterised by their composition containing rare earth metals
    • H01F1/055Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5
    • H01F1/057Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5 and IIIa elements, e.g. Nd2Fe14B
    • H01F1/0571Alloys 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)
  • Compounds Of Iron (AREA)
  • Powder Metallurgy (AREA)
AT93302124T 1992-03-19 1993-03-19 Verfahren zur herstellung von r-fe-b permanentmagneten ATE169423T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP4093779A JP2898463B2 (ja) 1992-03-19 1992-03-19 R−Fe−B系永久磁石用原料粉末の製造方法
JP4116977A JP2886384B2 (ja) 1992-04-08 1992-04-08 R−Fe−B系永久磁石用原料粉末の製造方法

Publications (1)

Publication Number Publication Date
ATE169423T1 true ATE169423T1 (de) 1998-08-15

Family

ID=26435072

Family Applications (1)

Application Number Title Priority Date Filing Date
AT93302124T ATE169423T1 (de) 1992-03-19 1993-03-19 Verfahren zur herstellung von r-fe-b permanentmagneten

Country Status (5)

Country Link
US (1) US5387291A (de)
EP (1) EP0561650B1 (de)
CN (1) CN1070634C (de)
AT (1) ATE169423T1 (de)
DE (1) DE69320084T2 (de)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5482575A (en) * 1992-12-08 1996-01-09 Ugimag Sa Fe-Re-B type magnetic powder, sintered magnets and preparation method thereof
CN1061163C (zh) * 1995-03-27 2001-01-24 北京科技大学 双相稀土-铁-硼磁粉及其制备方法
JP3242818B2 (ja) * 1995-07-21 2001-12-25 昭和電工株式会社 希土類磁石用合金及びその製造方法
EP0789367A1 (de) * 1996-02-09 1997-08-13 Crucible Materials Corporation Verfahren zur Herstellung selektiven Klassen von Seltenerdmagneten unter Verwendung einer Vielzahl von Partikelgruppen
US5906622A (en) * 1997-04-29 1999-05-25 Lippitt; Robert G. Positively expanded and retracted medical extractor
DE69815146T2 (de) * 1998-08-28 2004-02-26 Showa Denko K.K. Legierung zur verwendung bei der herstellung von gesinterten magneten auf r-t-b-basis und verfahren zur herstellung von gesinterten magneten auf r-t-b-basis
JP2001254103A (ja) * 2000-03-13 2001-09-18 Sanei Kasei Kk ナノコンポジット構造を有する金属粒子及び自己組織化によるその製造方法
US7244318B2 (en) * 2001-01-30 2007-07-17 Neomax Co., Ltd. Method for preparation of permanent magnet
US6676668B2 (en) * 2001-12-12 2004-01-13 C.R. Baed Articulating stone basket
WO2014205002A2 (en) 2013-06-17 2014-12-24 Miha Zakotnik Magnet recycling to create nd-fe-b magnets with improved or restored magnetic performance
JP5915637B2 (ja) 2013-12-19 2016-05-11 トヨタ自動車株式会社 希土類磁石の製造方法
JP5924335B2 (ja) 2013-12-26 2016-05-25 トヨタ自動車株式会社 希土類磁石とその製造方法
JP6554766B2 (ja) * 2014-08-12 2019-08-07 Tdk株式会社 永久磁石
US9336932B1 (en) 2014-08-15 2016-05-10 Urban Mining Company Grain boundary engineering
DE102015107486A1 (de) * 2015-05-12 2016-11-17 Technische Universität Darmstadt Künstlicher Dauermagnet und Verfahren zur Herstellung des künstlichen Dauermagneten
CN106876071B (zh) * 2015-12-14 2019-05-03 江苏南方永磁科技有限公司 复合废料回用稀土磁性材料及制备方法
CN106876074B (zh) * 2015-12-14 2019-02-15 江苏南方永磁科技有限公司 含氮永磁体材料及制备方法
CN109412298B (zh) * 2018-05-14 2022-04-05 滨州学院 一种永磁电机
CN109672287B (zh) * 2018-05-14 2019-12-31 滨州学院 一种永磁发电机

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6181603A (ja) * 1984-09-04 1986-04-25 Tohoku Metal Ind Ltd 希土類磁石の製造方法
US4767450A (en) * 1984-11-27 1988-08-30 Sumitomo Special Metals Co., Ltd. Process for producing the rare earth alloy powders
JPH067525B2 (ja) * 1985-10-29 1994-01-26 並木精密宝石株式会社 樹脂結合永久磁石の製造方法
JPS62274045A (ja) * 1986-05-21 1987-11-28 Inoue Japax Res Inc 磁石製造方法
EP0261579B1 (de) * 1986-09-16 1993-01-07 Tokin Corporation Verfahren zur Herstellung eines Seltenerd-Eisen-Bor-Dauermagneten mit Hilfe eines abgeschreckten Legierungspuders
US4983232A (en) * 1987-01-06 1991-01-08 Hitachi Metals, Ltd. Anisotropic magnetic powder and magnet thereof and method of producing same
JPS6448405A (en) * 1987-08-19 1989-02-22 Mitsubishi Metal Corp Manufacture of rare earth-iron-boron magnet
EP0304054B1 (de) * 1987-08-19 1994-06-08 Mitsubishi Materials Corporation Magnetisches Seltenerd-Eisen-Bor-Puder und sein Herstellungsverfahren
JPH01146308A (ja) * 1987-12-03 1989-06-08 Tokin Corp 希土類磁石の製造方法
JP2660917B2 (ja) * 1987-12-03 1997-10-08 株式会社トーキン 希土類磁石の製造方法
US4975213A (en) * 1988-01-19 1990-12-04 Kabushiki Kaisha Toshiba Resin-bonded rare earth-iron-boron magnet
JPH01291407A (ja) * 1988-05-19 1989-11-24 Tokin Corp 希土類永久磁石の製造方法
JP2569487Y2 (ja) * 1988-08-22 1998-04-22 日本ワイパブレード 株式会社 車輌用ワイパのコネクタ部材
JPH02288305A (ja) * 1989-04-28 1990-11-28 Nippon Steel Corp 希土類磁石及びその製造方法
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
EP0561650A2 (de) 1993-09-22
CN1070634C (zh) 2001-09-05
US5387291A (en) 1995-02-07
DE69320084T2 (de) 1999-03-18
EP0561650A3 (en) 1993-12-01
DE69320084D1 (de) 1998-09-10
CN1082963A (zh) 1994-03-02
EP0561650B1 (de) 1998-08-05

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Legal Events

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UEP Publication of translation of european patent specification