EP2359963A4 - Method for producing soft magnetic material and method for producing dust core - Google Patents

Method for producing soft magnetic material and method for producing dust core

Info

Publication number
EP2359963A4
EP2359963A4 EP09828775.8A EP09828775A EP2359963A4 EP 2359963 A4 EP2359963 A4 EP 2359963A4 EP 09828775 A EP09828775 A EP 09828775A EP 2359963 A4 EP2359963 A4 EP 2359963A4
Authority
EP
European Patent Office
Prior art keywords
producing
magnetic material
soft magnetic
dust core
producing soft
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
EP09828775.8A
Other languages
German (de)
French (fr)
Other versions
EP2359963B1 (en
EP2359963A1 (en
Inventor
Kazushi Kusawake
Toru Maeda
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.)
Sumitomo Electric Industries Ltd
Original Assignee
Sumitomo Electric Industries Ltd
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
Priority claimed from JP2008301637A external-priority patent/JP4513131B2/en
Application filed by Sumitomo Electric Industries Ltd filed Critical Sumitomo Electric Industries Ltd
Publication of EP2359963A1 publication Critical patent/EP2359963A1/en
Publication of EP2359963A4 publication Critical patent/EP2359963A4/en
Application granted granted Critical
Publication of EP2359963B1 publication Critical patent/EP2359963B1/en
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • 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
    • B22F1/00—Metallic powder; Treatment of metallic powder, e.g. to facilitate working or to improve properties
    • B22F1/10—Metallic powder containing lubricating or binding agents; Metallic powder containing organic material
    • B22F1/102—Metallic powder coated with organic material
    • 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
    • B22F1/10—Metallic powder containing lubricating or binding agents; Metallic powder containing organic material
    • B22F1/108—Mixtures obtained by warm mixing
    • 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
    • B22F1/16—Metallic particles coated with a non-metal
    • 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
    • H01F1/12—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 soft-magnetic materials
    • H01F1/14—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 soft-magnetic materials metals or alloys
    • H01F1/20—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 soft-magnetic materials metals or alloys in the form of particles, e.g. powder
    • H01F1/22—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 soft-magnetic materials metals or alloys in the form of particles, e.g. powder pressed, sintered, or bound together
    • H01F1/24—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 soft-magnetic materials metals or alloys in the form of particles, e.g. powder pressed, sintered, or bound together the particles being insulated
    • 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
    • H01F1/12—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 soft-magnetic materials
    • H01F1/14—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 soft-magnetic materials metals or alloys
    • H01F1/20—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 soft-magnetic materials metals or alloys in the form of particles, e.g. powder
    • H01F1/22—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 soft-magnetic materials metals or alloys in the form of particles, e.g. powder pressed, sintered, or bound together
    • H01F1/24—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 soft-magnetic materials metals or alloys in the form of particles, e.g. powder pressed, sintered, or bound together the particles being insulated
    • H01F1/26—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 soft-magnetic materials metals or alloys in the form of particles, e.g. powder pressed, sintered, or bound together the particles being insulated by macromolecular organic substances
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical & Material Sciences (AREA)
  • Dispersion Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Soft Magnetic Materials (AREA)
  • Powder Metallurgy (AREA)
EP09828775.8A 2008-11-26 2009-10-26 Method for producing soft magnetic material and method for producing dust core Not-in-force EP2359963B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2008301637A JP4513131B2 (en) 2008-05-23 2008-11-26 Method for producing soft magnetic material and method for producing dust core
PCT/JP2009/005635 WO2010061525A1 (en) 2008-11-26 2009-10-26 Method for producing soft magnetic material and method for producing dust core

Publications (3)

Publication Number Publication Date
EP2359963A1 EP2359963A1 (en) 2011-08-24
EP2359963A4 true EP2359963A4 (en) 2016-08-31
EP2359963B1 EP2359963B1 (en) 2017-09-06

Family

ID=42226423

Family Applications (1)

Application Number Title Priority Date Filing Date
EP09828775.8A Not-in-force EP2359963B1 (en) 2008-11-26 2009-10-26 Method for producing soft magnetic material and method for producing dust core

Country Status (4)

Country Link
EP (1) EP2359963B1 (en)
KR (1) KR20110089237A (en)
CN (1) CN102046310B (en)
WO (1) WO2010061525A1 (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5976284B2 (en) 2010-07-23 2016-08-23 株式会社豊田中央研究所 Method for producing dust core and method for producing powder for magnetic core
JP5778993B2 (en) * 2011-05-26 2015-09-16 住友電気工業株式会社 Molding method of green compact
CN104217834B (en) * 2013-06-03 2018-01-23 株式会社田村制作所 Soft magnetic powder composition, core, reactor
JP6243298B2 (en) * 2014-06-13 2017-12-06 株式会社豊田中央研究所 Powder magnetic core and reactor
JP6443269B2 (en) * 2015-09-01 2018-12-26 株式会社村田製作所 Magnetic core and manufacturing method thereof
JP6378156B2 (en) * 2015-10-14 2018-08-22 トヨタ自動車株式会社 Powder magnetic core, powder for powder magnetic core, and method for producing powder magnetic core
CN113692078A (en) * 2021-07-08 2021-11-23 华南理工大学 Curing system and method for magnetic composite material

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0913220A1 (en) * 1997-03-19 1999-05-06 Kawasaki Steel Corporation Iron base powder mixture for powder metallurgy excellent in fluidity and moldability, method of production thereof, and method of production of molded article by using the iron base powder mixture
EP1840907A1 (en) * 2005-01-20 2007-10-03 Sumitomo Electric Industries, Ltd. Soft magnetic material and dust core
JP2009283774A (en) * 2008-05-23 2009-12-03 Sumitomo Electric Ind Ltd Soft magnetic powder

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3986043B2 (en) * 2001-02-20 2007-10-03 日立粉末冶金株式会社 Powder magnetic core and manufacturing method thereof
JP2005133168A (en) * 2003-10-31 2005-05-26 Mitsubishi Materials Corp Method for manufacturing compound soft magnetic material having excellent magnetic characteristic, high strength and low core loss
JP2006028565A (en) * 2004-07-14 2006-02-02 Ishihara Sangyo Kaisha Ltd Method for producing metallic particle
CN1725388A (en) * 2005-06-17 2006-01-25 同济大学 A kind of magnetic flow liquid magnetic-particle and preparation method thereof with high antioxidant
JP2007027480A (en) * 2005-07-19 2007-02-01 Sumitomo Metal Mining Co Ltd Resin bonding magnet composition, its manufacturing method, and resin bonding magnet using the composition
JP4710485B2 (en) * 2005-08-25 2011-06-29 住友電気工業株式会社 Method for producing soft magnetic material and method for producing dust core
JP2007092120A (en) * 2005-09-28 2007-04-12 Sumitomo Electric Ind Ltd Method for producing soft magnetic material, soft magnetic material and dust core
JP4654881B2 (en) * 2005-11-02 2011-03-23 住友電気工業株式会社 Dust core manufactured using soft magnetic material
JP4630251B2 (en) * 2006-09-11 2011-02-09 株式会社神戸製鋼所 Powder cores and iron-based powders for dust cores

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0913220A1 (en) * 1997-03-19 1999-05-06 Kawasaki Steel Corporation Iron base powder mixture for powder metallurgy excellent in fluidity and moldability, method of production thereof, and method of production of molded article by using the iron base powder mixture
EP1840907A1 (en) * 2005-01-20 2007-10-03 Sumitomo Electric Industries, Ltd. Soft magnetic material and dust core
JP2009283774A (en) * 2008-05-23 2009-12-03 Sumitomo Electric Ind Ltd Soft magnetic powder

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2010061525A1 *

Also Published As

Publication number Publication date
EP2359963B1 (en) 2017-09-06
CN102046310A (en) 2011-05-04
WO2010061525A1 (en) 2010-06-03
CN102046310B (en) 2013-09-25
EP2359963A1 (en) 2011-08-24
KR20110089237A (en) 2011-08-05

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