EP2444984A4 - Method and apparatus for producing magnetic powder - Google Patents

Method and apparatus for producing magnetic powder

Info

Publication number
EP2444984A4
EP2444984A4 EP09846173.4A EP09846173A EP2444984A4 EP 2444984 A4 EP2444984 A4 EP 2444984A4 EP 09846173 A EP09846173 A EP 09846173A EP 2444984 A4 EP2444984 A4 EP 2444984A4
Authority
EP
European Patent Office
Prior art keywords
magnetic powder
producing magnetic
producing
powder
magnetic
Prior art date
Legal status (The legal status 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 status listed.)
Granted
Application number
EP09846173.4A
Other languages
German (de)
French (fr)
Other versions
EP2444984B1 (en
EP2444984A1 (en
Inventor
Noritaka Miyamoto
Shinya Omura
Akira Manabe
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Toyota Motor Corp
Original Assignee
Toyota Motor Corp
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 Toyota Motor Corp filed Critical Toyota Motor Corp
Publication of EP2444984A1 publication Critical patent/EP2444984A1/en
Publication of EP2444984A4 publication Critical patent/EP2444984A4/en
Application granted granted Critical
Publication of EP2444984B1 publication Critical patent/EP2444984B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • 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
    • C22C38/002—Ferrous alloys, e.g. steel alloys containing In, Mg, or other elements not provided for in one single group C22C38/001 - C22C38/60
    • 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
    • B22F1/00—Metallic powder; Treatment of metallic powder, e.g. to facilitate working or to improve properties
    • B22F1/17—Metallic particles coated with metal
    • 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
    • C22C38/16—Ferrous alloys, e.g. steel alloys containing copper
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • 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
    • H01F1/0572—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 with a protective layer
    • 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
    • B22F2999/00—Aspects linked to processes or compositions used in powder metallurgy
    • 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
    • B22F3/003—Apparatus, e.g. furnaces
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C2202/00—Physical properties
    • C22C2202/02—Magnetic
    • 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
    • H01F1/06—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 in the form of particles, e.g. powder
    • H01F1/08—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 in the form of particles, e.g. powder pressed, sintered, or bound together
    • H01F1/086—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 in the form of particles, e.g. powder pressed, sintered, or bound together sintered

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Power Engineering (AREA)
  • Powder Metallurgy (AREA)
  • Hard Magnetic Materials (AREA)
  • Manufacturing Cores, Coils, And Magnets (AREA)
EP09846173.4A 2009-06-18 2009-06-18 Method and apparatus for producing magnetic powder Active EP2444984B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2009/061076 WO2010146680A1 (en) 2009-06-18 2009-06-18 Method and apparatus for producing magnetic powder

Publications (3)

Publication Number Publication Date
EP2444984A1 EP2444984A1 (en) 2012-04-25
EP2444984A4 true EP2444984A4 (en) 2015-01-14
EP2444984B1 EP2444984B1 (en) 2018-04-18

Family

ID=43356018

Family Applications (1)

Application Number Title Priority Date Filing Date
EP09846173.4A Active EP2444984B1 (en) 2009-06-18 2009-06-18 Method and apparatus for producing magnetic powder

Country Status (4)

Country Link
EP (1) EP2444984B1 (en)
JP (1) JP5267665B2 (en)
CN (1) CN102804296B (en)
WO (1) WO2010146680A1 (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5739093B2 (en) * 2009-09-10 2015-06-24 株式会社豊田中央研究所 Rare earth magnet, manufacturing method thereof, and magnet composite member
JP5873471B2 (en) * 2013-10-29 2016-03-01 大陽日酸株式会社 Method for producing composite ultrafine particles
JP6552283B2 (en) * 2015-06-02 2019-07-31 Ｄｏｗａエレクトロニクス株式会社 Magnetic compounds, antennas and electronic devices
CN106229102B (en) * 2016-08-23 2019-05-31 南京工程学院 A kind of Ultra-fine Grained NdFeB permanent-magnet material and preparation method thereof
DE102017215265A1 (en) * 2017-08-31 2019-02-28 Siemens Aktiengesellschaft Method for producing a permanent magnet, permanent magnet, electric machine, medical device and electric vehicle
CN107876791A (en) * 2017-10-27 2018-04-06 内蒙古盛本荣科技有限公司 Produce the devices and methods therefor of powder
CN109954876B (en) * 2019-05-14 2020-06-16 广东工业大学 Preparation method of antioxidant micro-nano copper material

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02125402A (en) * 1988-11-04 1990-05-14 Seiko Epson Corp Magnetic powder and manufacture thereof
JP2001254168A (en) * 2000-03-10 2001-09-18 Kinya Adachi Surface rust prevention and performance improving treatment of magnetic material
JP2005203653A (en) * 2004-01-19 2005-07-28 Yaskawa Electric Corp Method for manufacturing magnet and method for producing ultrafine particle magnetic powder used for it
US20060022175A1 (en) * 2004-07-28 2006-02-02 Matahiro Komuro Rare-earth magnet

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2853838B2 (en) 1991-06-04 1999-02-03 信越化学工業株式会社 Manufacturing method of rare earth permanent magnet
JP3179821B2 (en) * 1991-11-25 2001-06-25 日清製粉株式会社 Method and apparatus for producing particles whose surface is coated with ultrafine particles
JP2948697B2 (en) * 1992-06-25 1999-09-13 キヤノン株式会社 Playback device
JP2517877B2 (en) * 1993-11-09 1996-07-24 工業技術院長 Method for producing fine particle composite
JP3812660B2 (en) * 2001-10-11 2006-08-23 独立行政法人産業技術総合研究所 Composite structure manufacturing method and composite structure manufacturing apparatus
JP2003211030A (en) * 2001-11-16 2003-07-29 National Institute Of Advanced Industrial & Technology Method and apparatus for manufacturing composite structure
JP4560619B2 (en) * 2003-03-26 2010-10-13 独立行政法人産業技術総合研究所 Permanent magnet membrane
JP4702546B2 (en) 2005-03-23 2011-06-15 信越化学工業株式会社 Rare earth permanent magnet

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02125402A (en) * 1988-11-04 1990-05-14 Seiko Epson Corp Magnetic powder and manufacture thereof
JP2001254168A (en) * 2000-03-10 2001-09-18 Kinya Adachi Surface rust prevention and performance improving treatment of magnetic material
JP2005203653A (en) * 2004-01-19 2005-07-28 Yaskawa Electric Corp Method for manufacturing magnet and method for producing ultrafine particle magnetic powder used for it
US20060022175A1 (en) * 2004-07-28 2006-02-02 Matahiro Komuro Rare-earth magnet

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2010146680A1 *

Also Published As

Publication number Publication date
JP5267665B2 (en) 2013-08-21
EP2444984B1 (en) 2018-04-18
JPWO2010146680A1 (en) 2012-11-29
EP2444984A1 (en) 2012-04-25
WO2010146680A1 (en) 2010-12-23
CN102804296A (en) 2012-11-28
CN102804296B (en) 2015-04-15

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