JP4391897B2 - 磁気異方性希土類焼結磁石の製造方法及び製造装置 - Google Patents

磁気異方性希土類焼結磁石の製造方法及び製造装置 Download PDF

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Publication number
JP4391897B2
JP4391897B2 JP2004195935A JP2004195935A JP4391897B2 JP 4391897 B2 JP4391897 B2 JP 4391897B2 JP 2004195935 A JP2004195935 A JP 2004195935A JP 2004195935 A JP2004195935 A JP 2004195935A JP 4391897 B2 JP4391897 B2 JP 4391897B2
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container
sintering
rare earth
powder
fine powder
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Expired - Fee Related
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JP2004195935A
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English (en)
Japanese (ja)
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JP2006019521A5 (enExample
JP2006019521A (ja
Inventor
眞人 佐川
浩 永田
修 板谷
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Intermetallics Co Ltd
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Intermetallics Co Ltd
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Priority to JP2004195935A priority Critical patent/JP4391897B2/ja
Application filed by Intermetallics Co Ltd filed Critical Intermetallics Co Ltd
Priority to PCT/JP2005/012123 priority patent/WO2006004014A1/ja
Priority to EP12195806.0A priority patent/EP2597659A3/en
Priority to CN2005800203043A priority patent/CN1969347B/zh
Priority to EP12195828.4A priority patent/EP2597660A3/en
Priority to KR1020077000697A priority patent/KR101185930B1/ko
Priority to EP05765338.8A priority patent/EP1788594B1/en
Priority to US11/630,898 priority patent/US8545641B2/en
Priority to TW094122355A priority patent/TW200609061A/zh
Publication of JP2006019521A publication Critical patent/JP2006019521A/ja
Publication of JP2006019521A5 publication Critical patent/JP2006019521A5/ja
Application granted granted Critical
Publication of JP4391897B2 publication Critical patent/JP4391897B2/ja
Priority to US13/975,616 priority patent/US20130343946A1/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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    • 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
    • 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
    • H01F41/0206—Manufacturing of magnetic cores by mechanical means
    • H01F41/0246—Manufacturing of magnetic circuits by moulding or by pressing powder
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
    • B22F3/10—Sintering only
    • B22F3/1017—Multiple heating or additional steps
    • B22F3/1021—Removal of binder or filler
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C33/00—Making ferrous alloys
    • C22C33/02—Making ferrous alloys by powder metallurgy
    • C22C33/0257—Making ferrous alloys by powder metallurgy characterised by the range of the alloying elements
    • C22C33/0278—Making ferrous alloys by powder metallurgy characterised by the range of the alloying elements with at least one alloying element having a minimum content above 5%
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/005—Ferrous alloys, e.g. steel alloys containing rare earths, i.e. Sc, Y, Lanthanides
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/06—Ferrous alloys, e.g. steel alloys containing aluminium
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/10—Ferrous alloys, e.g. steel alloys containing cobalt
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/16—Ferrous alloys, e.g. steel alloys containing copper
    • 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
    • H01F41/0273—Imparting anisotropy
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F2998/00—Supplementary information concerning processes or compositions relating to powder metallurgy
    • B22F2998/10—Processes characterised by the sequence of their steps
    • 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
    • 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

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Power Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Powder Metallurgy (AREA)
  • Manufacturing Cores, Coils, And Magnets (AREA)
  • Hard Magnetic Materials (AREA)
JP2004195935A 2004-07-01 2004-07-01 磁気異方性希土類焼結磁石の製造方法及び製造装置 Expired - Fee Related JP4391897B2 (ja)

Priority Applications (10)

Application Number Priority Date Filing Date Title
JP2004195935A JP4391897B2 (ja) 2004-07-01 2004-07-01 磁気異方性希土類焼結磁石の製造方法及び製造装置
US11/630,898 US8545641B2 (en) 2004-07-01 2005-06-30 Method and system for manufacturing sintered rare-earth magnet having magnetic anisotropy
CN2005800203043A CN1969347B (zh) 2004-07-01 2005-06-30 磁各向异性稀土类烧结磁体的制造方法及其制造装置
EP12195828.4A EP2597660A3 (en) 2004-07-01 2005-06-30 Method and system for manufacturing sintered rare-earth magnet having magnetic anisotropy
KR1020077000697A KR101185930B1 (ko) 2004-07-01 2005-06-30 자기이방성 희토류 소결자석의 제조방법 및 제조장치
EP05765338.8A EP1788594B1 (en) 2004-07-01 2005-06-30 Production method for magnetic-anisotropy rare-earth sintered magnet
PCT/JP2005/012123 WO2006004014A1 (ja) 2004-07-01 2005-06-30 磁気異方性希土類焼結磁石の製造方法及び製造装置
EP12195806.0A EP2597659A3 (en) 2004-07-01 2005-06-30 Method and system for manufacturing sintered rare-earth magnet having magnetic anisotropy
TW094122355A TW200609061A (en) 2004-07-01 2005-07-01 Method and apparatus for manufacturing magnetically anisotropic rare earth sintered magnet
US13/975,616 US20130343946A1 (en) 2004-07-01 2013-08-26 Method and system for manufacturing sintered rare-earth magnet having magnetic anisotropy

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2004195935A JP4391897B2 (ja) 2004-07-01 2004-07-01 磁気異方性希土類焼結磁石の製造方法及び製造装置

Related Child Applications (1)

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JP2008193232A Division JP4819103B2 (ja) 2008-07-28 2008-07-28 磁気異方性希土類焼結磁石の製造方法及び製造装置

Publications (3)

Publication Number Publication Date
JP2006019521A JP2006019521A (ja) 2006-01-19
JP2006019521A5 JP2006019521A5 (enExample) 2007-07-26
JP4391897B2 true JP4391897B2 (ja) 2009-12-24

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JP2004195935A Expired - Fee Related JP4391897B2 (ja) 2004-07-01 2004-07-01 磁気異方性希土類焼結磁石の製造方法及び製造装置

Country Status (7)

Country Link
US (2) US8545641B2 (enExample)
EP (3) EP2597659A3 (enExample)
JP (1) JP4391897B2 (enExample)
KR (1) KR101185930B1 (enExample)
CN (1) CN1969347B (enExample)
TW (1) TW200609061A (enExample)
WO (1) WO2006004014A1 (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2022163407A1 (ja) 2021-01-26 2022-08-04 Ｎｄｆｅｂ株式会社 Ｎｄ－Ｆｅ－Ｂ積層焼結磁石およびその製造方法

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JP4391897B2 (ja) * 2004-07-01 2009-12-24 インターメタリックス株式会社 磁気異方性希土類焼結磁石の製造方法及び製造装置
JP2008045148A (ja) * 2006-08-10 2008-02-28 Nippon Ceramic Co Ltd 磁石の製造方法と製造装置
EP2017859B1 (en) * 2007-07-20 2012-08-29 Siemens Aktiengesellschaft Magnet pole piece and method for its manufacturing
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