ATE103412T1 - Dauermagnet und herstellungsverfahren. - Google Patents

Dauermagnet und herstellungsverfahren.

Info

Publication number
ATE103412T1
ATE103412T1 AT89118356T AT89118356T ATE103412T1 AT E103412 T1 ATE103412 T1 AT E103412T1 AT 89118356 T AT89118356 T AT 89118356T AT 89118356 T AT89118356 T AT 89118356T AT E103412 T1 ATE103412 T1 AT E103412T1
Authority
AT
Austria
Prior art keywords
compound
permanent magnet
manufacturing process
phase
minority phase
Prior art date
Application number
AT89118356T
Other languages
English (en)
Inventor
Masato Sagawa
Original Assignee
Masato Sagawa
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 Masato Sagawa filed Critical Masato Sagawa
Application granted granted Critical
Publication of ATE103412T1 publication Critical patent/ATE103412T1/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
    • H01F1/0575—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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Hard Magnetic Materials (AREA)
  • Manufacturing Cores, Coils, And Magnets (AREA)
  • Ultra Sonic Daignosis Equipment (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)
  • Adhesives Or Adhesive Processes (AREA)
AT89118356T 1988-10-06 1989-10-03 Dauermagnet und herstellungsverfahren. ATE103412T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP63250851A JP2787580B2 (ja) 1988-10-06 1988-10-06 熱処理性がすぐれたＮｄ−Ｆｅ−Ｂ系焼結磁石
EP89118356A EP0362805B1 (de) 1988-10-06 1989-10-03 Dauermagnet und Herstellungsverfahren

Publications (1)

Publication Number Publication Date
ATE103412T1 true ATE103412T1 (de) 1994-04-15

Family

ID=17213949

Family Applications (1)

Application Number Title Priority Date Filing Date
AT89118356T ATE103412T1 (de) 1988-10-06 1989-10-03 Dauermagnet und herstellungsverfahren.

Country Status (8)

Country Link
US (1) US4995905A (de)
EP (1) EP0362805B1 (de)
JP (1) JP2787580B2 (de)
AT (1) ATE103412T1 (de)
DE (1) DE68914078T2 (de)
ES (1) ES2050750T3 (de)
FI (1) FI103223B1 (de)
IE (1) IE891829L (de)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5167914A (en) * 1986-08-04 1992-12-01 Sumitomo Special Metals Co., Ltd. Rare earth magnet having excellent corrosion resistance
US5201963A (en) * 1989-10-26 1993-04-13 Nippon Steel Corporation Rare earth magnets and method of producing same
US5200001A (en) * 1989-12-01 1993-04-06 Sumitomo Special Metals Co., Ltd. Permanent magnet
US5093076A (en) * 1991-05-15 1992-03-03 General Motors Corporation Hot pressed magnets in open air presses
FR2707421B1 (fr) * 1993-07-07 1995-08-11 Ugimag Sa Poudre additive pour la fabrication d'aimants frittés type Fe-Nd-B, méthode de fabrication et aimants correspondants.
US5482575A (en) * 1992-12-08 1996-01-09 Ugimag Sa Fe-Re-B type magnetic powder, sintered magnets and preparation method thereof
US6277211B1 (en) * 1999-09-30 2001-08-21 Magnequench Inc. Cu additions to Nd-Fe-B alloys to reduce oxygen content in the ingot and rapidly solidified ribbon
US6527874B2 (en) 2000-07-10 2003-03-04 Sumitomo Special Metals Co., Ltd. Rare earth magnet and method for making same
EP1603142B1 (de) * 2003-02-27 2014-12-31 Hitachi Metals, Ltd. Dauermagnet für einen partikelstrahl-beschleuniger und magnetfelderzeuger
WO2007010860A1 (ja) 2005-07-15 2007-01-25 Neomax Co., Ltd. 希土類焼結磁石及びその製造方法

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59163804A (ja) * 1983-03-08 1984-09-14 Sumitomo Special Metals Co Ltd 永久磁石用合金
CA1316375C (en) * 1982-08-21 1993-04-20 Masato Sagawa Magnetic materials and permanent magnets
US4684406A (en) * 1983-05-21 1987-08-04 Sumitomo Special Metals Co., Ltd. Permanent magnet materials
JPS59218704A (ja) * 1983-05-27 1984-12-10 Sumitomo Special Metals Co Ltd 永久磁石材料の製造方法
JPS6032306A (ja) * 1983-08-02 1985-02-19 Sumitomo Special Metals Co Ltd 永久磁石
JPS60218457A (ja) * 1984-04-12 1985-11-01 Seiko Epson Corp 永久磁石合金
US4767450A (en) * 1984-11-27 1988-08-30 Sumitomo Special Metals Co., Ltd. Process for producing the rare earth alloy powders
JPS62120003A (ja) * 1985-11-20 1987-06-01 Sumitomo Special Metals Co Ltd 耐食性のすぐれた永久磁石及びその製造方法
US4765848A (en) * 1984-12-31 1988-08-23 Kaneo Mohri Permanent magnent and method for producing same
JPS636808A (ja) * 1986-06-26 1988-01-12 Shin Etsu Chem Co Ltd 希土類永久磁石
JPS6328844A (ja) * 1986-07-23 1988-02-06 Toshiba Corp 永久磁石材料
EP0261579B1 (de) * 1986-09-16 1993-01-07 Tokin Corporation Verfahren zur Herstellung eines Seltenerd-Eisen-Bor-Dauermagneten mit Hilfe eines abgeschreckten Legierungspuders
ATE107076T1 (de) * 1987-03-02 1994-06-15 Seiko Epson Corp Seltene-erden-eisen-typ-dauermagnet und sein herstellungsverfahren.

Also Published As

Publication number Publication date
FI103223B (fi) 1999-05-14
FI893600A7 (fi) 1990-04-07
FI893600A0 (fi) 1989-07-27
DE68914078D1 (de) 1994-04-28
JP2787580B2 (ja) 1998-08-20
JPH02101146A (ja) 1990-04-12
DE68914078T2 (de) 1994-06-30
EP0362805A3 (de) 1991-07-24
ES2050750T3 (es) 1994-06-01
EP0362805A2 (de) 1990-04-11
IE891829L (en) 1990-04-06
FI103223B1 (fi) 1999-05-14
EP0362805B1 (de) 1994-03-23
US4995905A (en) 1991-02-26

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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