FI103223B1 - Lämpökäsittelyominaisuuksiltaan parannettu kestomagneetti ja menetelmä sen valmistamiseksi - Google Patents

Lämpökäsittelyominaisuuksiltaan parannettu kestomagneetti ja menetelmä sen valmistamiseksi

Info

Publication number
FI103223B1
FI103223B1 FI893600A FI893600A FI103223B1 FI 103223 B1 FI103223 B1 FI 103223B1 FI 893600 A FI893600 A FI 893600A FI 893600 A FI893600 A FI 893600A FI 103223 B1 FI103223 B1 FI 103223B1
Authority
FI
Finland
Prior art keywords
heat treatment
permanent magnet
treatment properties
compound
phase
Prior art date
Application number
FI893600A
Other languages
English (en)
Swedish (sv)
Other versions
FI893600A0 (fi
FI893600A (fi
FI103223B (fi
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
Publication of FI893600A0 publication Critical patent/FI893600A0/fi
Publication of FI893600A publication Critical patent/FI893600A/fi
Application granted granted Critical
Publication of FI103223B1 publication Critical patent/FI103223B1/fi
Publication of FI103223B publication Critical patent/FI103223B/fi

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)
FI893600A 1988-10-06 1989-07-27 Lämpökäsittelyominaisuuksiltaan parannettu kestomagneetti ja menetelmä sen valmistamiseksi FI103223B (fi)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP25085188 1988-10-06
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

Publications (4)

Publication Number Publication Date
FI893600A0 FI893600A0 (fi) 1989-07-27
FI893600A FI893600A (fi) 1990-04-07
FI103223B1 true FI103223B1 (fi) 1999-05-14
FI103223B FI103223B (fi) 1999-05-14

Family

ID=17213949

Family Applications (1)

Application Number Title Priority Date Filing Date
FI893600A FI103223B (fi) 1988-10-06 1989-07-27 Lämpökäsittelyominaisuuksiltaan parannettu kestomagneetti ja menetelmä sen valmistamiseksi

Country Status (8)

Country Link
US (1) US4995905A (fi)
EP (1) EP0362805B1 (fi)
JP (1) JP2787580B2 (fi)
AT (1) ATE103412T1 (fi)
DE (1) DE68914078T2 (fi)
ES (1) ES2050750T3 (fi)
FI (1) FI103223B (fi)
IE (1) IE891829L (fi)

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
US5482575A (en) * 1992-12-08 1996-01-09 Ugimag Sa Fe-Re-B type magnetic powder, sintered magnets and preparation method thereof
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.
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
CN1182548C (zh) 2000-07-10 2004-12-29 株式会社新王磁材 稀土磁铁及其制造方法
WO2004077457A1 (ja) * 2003-02-27 2004-09-10 Neomax Co., Ltd. 粒子線加速器用永久磁石および磁界発生装置
DE112006000070T5 (de) 2005-07-15 2008-08-14 Hitachi Metals, Ltd. Seltenerdmetall-Sintermagnet und Verfahren zu seiner Herstellung

Family Cites Families (15)

* 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
JPS62165305A (ja) * 1986-01-16 1987-07-21 Hitachi Metals Ltd 熱安定性良好な永久磁石およびその製造方法
JPS62244105A (ja) * 1986-04-16 1987-10-24 Hitachi Metals Ltd 希土類磁石
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 (en) * 1986-09-16 1993-01-07 Tokin Corporation A method for producing a rare earth metal-iron-boron permanent magnet by use of a rapidly-quenched alloy powder
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
IE891829L (en) 1990-04-06
DE68914078D1 (de) 1994-04-28
FI893600A0 (fi) 1989-07-27
JP2787580B2 (ja) 1998-08-20
FI893600A (fi) 1990-04-07
FI103223B (fi) 1999-05-14
EP0362805B1 (en) 1994-03-23
ES2050750T3 (es) 1994-06-01
DE68914078T2 (de) 1994-06-30
JPH02101146A (ja) 1990-04-12
EP0362805A2 (en) 1990-04-11
ATE103412T1 (de) 1994-04-15
US4995905A (en) 1991-02-26
EP0362805A3 (en) 1991-07-24

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Legal Events

Date Code Title Description
FG Patent granted

Owner name: SAGAWA, MASATO

MM Patent lapsed

Owner name: SAGAWA, MASATO