CN101911227B - NdFeB烧结磁体的制造方法和NdFeB烧结磁体 - Google Patents

NdFeB烧结磁体的制造方法和NdFeB烧结磁体 Download PDF

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CN101911227B
CN101911227B CN200980101615.0A CN200980101615A CN101911227B CN 101911227 B CN101911227 B CN 101911227B CN 200980101615 A CN200980101615 A CN 200980101615A CN 101911227 B CN101911227 B CN 101911227B
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grain boundary
powder
ndfeb sintered
magnet
sintered magnet
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CN101911227A (zh
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佐川真人
藤本尚辉
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Daido Steel Co Ltd
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Intermetallics Co Ltd
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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
    • 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
    • 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

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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)
CN200980101615.0A 2008-01-11 2009-01-09 NdFeB烧结磁体的制造方法和NdFeB烧结磁体 Active CN101911227B (zh)

Applications Claiming Priority (3)

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
JP2008-004845 2008-01-11
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

Related Child Applications (2)

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CN201310571585.8A Division CN103646740A (zh) 2008-01-11 2009-01-09 NdFeB烧结磁体的制造方法和NdFeB烧结磁体
CN2013102617302A Division CN103354167A (zh) 2008-01-11 2009-01-09 NdFeB烧结磁体的制造方法

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CN101911227A CN101911227A (zh) 2010-12-08
CN101911227B true CN101911227B (zh) 2014-01-15

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CN2013102617302A Pending CN103354167A (zh) 2008-01-11 2009-01-09 NdFeB烧结磁体的制造方法
CN201310571585.8A Pending CN103646740A (zh) 2008-01-11 2009-01-09 NdFeB烧结磁体的制造方法和NdFeB烧结磁体

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CN201310571585.8A Pending CN103646740A (zh) 2008-01-11 2009-01-09 NdFeB烧结磁体的制造方法和NdFeB烧结磁体

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US (2) US8562756B2 (enExample)
EP (1) EP2239747A4 (enExample)
JP (1) JP5328161B2 (enExample)
CN (3) CN101911227B (enExample)
WO (1) WO2009087975A1 (enExample)

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CN101911227A (zh) 2010-12-08
CN103354167A (zh) 2013-10-16
WO2009087975A1 (ja) 2009-07-16
JP2009170541A (ja) 2009-07-30
EP2239747A4 (en) 2015-08-12
US20100282371A1 (en) 2010-11-11
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