JP5328161B2 - ＮｄＦｅＢ焼結磁石の製造方法及びＮｄＦｅＢ焼結磁石 - Google Patents

ＮｄＦｅＢ焼結磁石の製造方法及びＮｄＦｅＢ焼結磁石 Download PDF

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JP5328161B2
JP5328161B2 JP2008004845A JP2008004845A JP5328161B2 JP 5328161 B2 JP5328161 B2 JP 5328161B2 JP 2008004845 A JP2008004845 A JP 2008004845A JP 2008004845 A JP2008004845 A JP 2008004845A JP 5328161 B2 JP5328161 B2 JP 5328161B2
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powder
grain boundary
magnet
ndfeb
boundary diffusion
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JP2009170541A5 (enExample
JP2009170541A (ja
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眞人 佐川
尚輝 藤本
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Intermetallics Co Ltd
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Intermetallics Co Ltd
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Priority to JP2008004845A priority Critical patent/JP5328161B2/ja
Application filed by Intermetallics Co Ltd filed Critical Intermetallics Co Ltd
Priority to CN2013102617302A priority patent/CN103354167A/zh
Priority to US12/812,379 priority patent/US8562756B2/en
Priority to CN201310571585.8A priority patent/CN103646740A/zh
Priority to PCT/JP2009/000068 priority patent/WO2009087975A1/ja
Priority to CN200980101615.0A priority patent/CN101911227B/zh
Priority to EP09700197.8A priority patent/EP2239747A4/en
Publication of JP2009170541A publication Critical patent/JP2009170541A/ja
Publication of JP2009170541A5 publication Critical patent/JP2009170541A5/ja
Priority to US13/778,324 priority patent/US10854380B2/en
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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F41/00—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties
    • H01F41/005—Impregnating or encapsulating
    • 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
    • H01F1/0555—Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5 pressed, sintered or bonded together
    • H01F1/0557—Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5 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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F41/00—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties
    • H01F41/02—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets
    • H01F41/0253—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets for manufacturing permanent magnets
    • H01F41/0293—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets for manufacturing permanent magnets diffusion of rare earth elements, e.g. Tb, Dy or Ho, into permanent magnets

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Hard Magnetic Materials (AREA)
  • Powder Metallurgy (AREA)
  • Manufacturing Cores, Coils, And Magnets (AREA)
JP2008004845A 2008-01-11 2008-01-11 ＮｄＦｅＢ焼結磁石の製造方法及びＮｄＦｅＢ焼結磁石 Active JP5328161B2 (ja)

Priority Applications (8)

Application Number Priority Date Filing Date Title
JP2008004845A JP5328161B2 (ja) 2008-01-11 2008-01-11 ＮｄＦｅＢ焼結磁石の製造方法及びＮｄＦｅＢ焼結磁石
US12/812,379 US8562756B2 (en) 2008-01-11 2009-01-09 NdFeB sintered magnet and method for producing the same
CN201310571585.8A CN103646740A (zh) 2008-01-11 2009-01-09 NdFeB烧结磁体的制造方法和NdFeB烧结磁体
PCT/JP2009/000068 WO2009087975A1 (ja) 2008-01-11 2009-01-09 NdFeB焼結磁石の製造方法及びNdFeB焼結磁石
CN2013102617302A CN103354167A (zh) 2008-01-11 2009-01-09 NdFeB烧结磁体的制造方法
CN200980101615.0A CN101911227B (zh) 2008-01-11 2009-01-09 NdFeB烧结磁体的制造方法和NdFeB烧结磁体
EP09700197.8A EP2239747A4 (en) 2008-01-11 2009-01-09 PROCESS FOR PRODUCTION OF FRITTED MAGNETS NDFEB AND FRITTED MAGNETS NdFeB
US13/778,324 US10854380B2 (en) 2008-01-11 2013-02-27 NdFeB sintered magnet and method for producing the same

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2008004845A JP5328161B2 (ja) 2008-01-11 2008-01-11 ＮｄＦｅＢ焼結磁石の製造方法及びＮｄＦｅＢ焼結磁石

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JP2009170541A JP2009170541A (ja) 2009-07-30
JP2009170541A5 JP2009170541A5 (enExample) 2011-02-10
JP5328161B2 true JP5328161B2 (ja) 2013-10-30

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US (2) US8562756B2 (enExample)
EP (1) EP2239747A4 (enExample)
JP (1) JP5328161B2 (enExample)
CN (3) CN103354167A (enExample)
WO (1) WO2009087975A1 (enExample)

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JP5328161B2 (ja) * 2008-01-11 2013-10-30 インターメタリックス株式会社 ＮｄＦｅＢ焼結磁石の製造方法及びＮｄＦｅＢ焼結磁石
CN106098281B (zh) 2009-07-10 2019-02-22 因太金属株式会社 NdFeB烧结磁铁
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US10854380B2 (en) 2020-12-01
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WO2009087975A1 (ja) 2009-07-16
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US20100282371A1 (en) 2010-11-11
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