JP6777041B2 - 圧粉磁心用粉末および圧粉磁心 - Google Patents

圧粉磁心用粉末および圧粉磁心 Download PDF

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Publication number
JP6777041B2
JP6777041B2 JP2017149937A JP2017149937A JP6777041B2 JP 6777041 B2 JP6777041 B2 JP 6777041B2 JP 2017149937 A JP2017149937 A JP 2017149937A JP 2017149937 A JP2017149937 A JP 2017149937A JP 6777041 B2 JP6777041 B2 JP 6777041B2
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Japan
Prior art keywords
powder
crystal grain
dust core
maximum value
grain size
Prior art date
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Active
Application number
JP2017149937A
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English (en)
Japanese (ja)
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JP2019026912A5 (enExample
JP2019026912A (ja
Inventor
将敬 三富
将敬 三富
朋泰 渡邊
朋泰 渡邊
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Denso Corp
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Denso 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 Denso Corp filed Critical Denso Corp
Priority to JP2017149937A priority Critical patent/JP6777041B2/ja
Priority to PCT/JP2018/026806 priority patent/WO2019026612A1/ja
Priority to DE112018003960.9T priority patent/DE112018003960T5/de
Publication of JP2019026912A publication Critical patent/JP2019026912A/ja
Publication of JP2019026912A5 publication Critical patent/JP2019026912A5/ja
Priority to US16/774,865 priority patent/US11532414B2/en
Application granted granted Critical
Publication of JP6777041B2 publication Critical patent/JP6777041B2/ja
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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F3/00—Cores, Yokes, or armatures
    • H01F3/08—Cores, Yokes, or armatures made from 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
    • B22F1/05—Metallic powder characterised by the size or surface area of the particles
    • B22F1/052—Metallic powder characterised by the size or surface area of the particles characterised by a mixture of particles of different sizes or by the particle size distribution
    • 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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00—Details of transformers or inductances, in general
    • H01F27/24—Magnetic cores
    • H01F27/255—Magnetic cores made from particles
    • 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
    • B22F3/24—After-treatment of workpieces or articles
    • B22F2003/247—Removing material: carving, cleaning, grinding, hobbing, honing, lapping, polishing, milling, shaving, skiving, turning the surface
    • 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
    • B22F3/24—After-treatment of workpieces or articles
    • B22F2003/248—Thermal after-treatment
    • 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
    • B22F3/12—Both compacting and sintering
    • B22F3/16—Both compacting and sintering in successive or repeated steps
    • 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
    • B22F3/24—After-treatment of workpieces or articles
    • 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
    • H01F1/12—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

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Dispersion Chemistry (AREA)
  • Manufacturing & Machinery (AREA)
  • Powder Metallurgy (AREA)
  • Soft Magnetic Materials (AREA)
JP2017149937A 2017-08-02 2017-08-02 圧粉磁心用粉末および圧粉磁心 Active JP6777041B2 (ja)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP2017149937A JP6777041B2 (ja) 2017-08-02 2017-08-02 圧粉磁心用粉末および圧粉磁心
PCT/JP2018/026806 WO2019026612A1 (ja) 2017-08-02 2018-07-18 圧粉磁心用粉末および圧粉磁心
DE112018003960.9T DE112018003960T5 (de) 2017-08-02 2018-07-18 Pulver für eisenkern und eisenkern
US16/774,865 US11532414B2 (en) 2017-08-02 2020-01-28 Powder for dust core and dust core

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2017149937A JP6777041B2 (ja) 2017-08-02 2017-08-02 圧粉磁心用粉末および圧粉磁心

Publications (3)

Publication Number Publication Date
JP2019026912A JP2019026912A (ja) 2019-02-21
JP2019026912A5 JP2019026912A5 (enExample) 2019-11-14
JP6777041B2 true JP6777041B2 (ja) 2020-10-28

Family

ID=65232682

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2017149937A Active JP6777041B2 (ja) 2017-08-02 2017-08-02 圧粉磁心用粉末および圧粉磁心

Country Status (4)

Country Link
US (1) US11532414B2 (enExample)
JP (1) JP6777041B2 (enExample)
DE (1) DE112018003960T5 (enExample)
WO (1) WO2019026612A1 (enExample)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102020207625A1 (de) 2020-06-05 2021-12-09 Siemens Aktiengesellschaft Elektrischer Motor

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19960095A1 (de) * 1999-12-14 2001-07-05 Bosch Gmbh Robert Gesinterter weichmagnetischer Verbundwerkstoff und Verfahren zu dessen Herstellung
JP2004296606A (ja) * 2003-03-26 2004-10-21 Jfe Steel Kk 保磁力の低い磁心とその製造方法およびその磁心用鉄粉
JP2007012745A (ja) * 2005-06-29 2007-01-18 Sumitomo Electric Ind Ltd 圧粉磁心およびその製造方法
JP4630251B2 (ja) 2006-09-11 2011-02-09 株式会社神戸製鋼所 圧粉磁心および圧粉磁心用の鉄基粉末
JP5995181B2 (ja) * 2011-03-24 2016-09-21 住友電気工業株式会社 複合材料、リアクトル用コア、及びリアクトル
US10325706B2 (en) 2014-09-17 2019-06-18 Autonetworks Technologies, Ltd. Composite material, magnetic component, and reactor
JP6977229B2 (ja) 2016-02-24 2021-12-08 クラレプラスチックス株式会社 熱可塑性樹脂組成物およびそれを用いた布積層成形体

Also Published As

Publication number Publication date
DE112018003960T5 (de) 2020-05-07
US20200168377A1 (en) 2020-05-28
US11532414B2 (en) 2022-12-20
WO2019026612A1 (ja) 2019-02-07
JP2019026912A (ja) 2019-02-21

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