WO2009034894A1 - 軟磁性材料、圧粉磁心、軟磁性材料の製造方法、および圧粉磁心の製造方法 - Google Patents

軟磁性材料、圧粉磁心、軟磁性材料の製造方法、および圧粉磁心の製造方法 Download PDF

Info

Publication number
WO2009034894A1
WO2009034894A1 PCT/JP2008/065876 JP2008065876W WO2009034894A1 WO 2009034894 A1 WO2009034894 A1 WO 2009034894A1 JP 2008065876 W JP2008065876 W JP 2008065876W WO 2009034894 A1 WO2009034894 A1 WO 2009034894A1
Authority
WO
WIPO (PCT)
Prior art keywords
producing
magnetic material
soft magnetic
powder
magnetic core
Prior art date
Application number
PCT/JP2008/065876
Other languages
English (en)
French (fr)
Inventor
Tomoyuki Ishimine
Toshihiro Sakamoto
Toru Maeda
Naoto Igarashi
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
Application filed by Sumitomo Electric Industries, Ltd. filed Critical Sumitomo Electric Industries, Ltd.
Priority to ES08831041.2T priority Critical patent/ES2537805T3/es
Priority to EP20080831041 priority patent/EP2154694B1/en
Priority to CN2008800014098A priority patent/CN101578669B/zh
Priority to US12/518,498 priority patent/US8123874B2/en
Publication of WO2009034894A1 publication Critical patent/WO2009034894A1/ja

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F3/00—Cores, Yokes, or armatures
    • H01F3/02—Cores, Yokes, or armatures made from sheets
    • 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
    • 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
    • B22F1/105—Metallic powder containing lubricating or binding agents; Metallic powder containing organic material containing inorganic lubricating or binding agents, e.g. metal salts
    • 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
    • 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
    • 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
    • B22F2999/00—Aspects linked to processes or compositions used in powder metallurgy
    • 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
    • H01F1/33—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 mixtures of metallic and non-metallic particles; metallic particles having oxide skin
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/29—Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof
    • Y10T428/2982—Particulate matter [e.g., sphere, flake, etc.]

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Dispersion Chemistry (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Physics & Mathematics (AREA)
  • Inorganic Chemistry (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Manufacturing & Machinery (AREA)
  • Powder Metallurgy (AREA)
  • Soft Magnetic Materials (AREA)

Abstract

直流重畳特性を向上できる軟磁性材料、圧粉磁心、軟磁性材料の製造方法、および圧粉磁心の製造方法を提供する。 軟磁性材料は、複数の金属磁性粒子１０を備え、金属磁性粒子１０の粒径の標準偏差（σ）と平均粒径（μ）との比である変動係数Ｃｖ（σ／μ）が０．４０以下であり、金属磁性粒子１０の円形度Ｓｆが０．８０以上１以下である。金属磁性粒子１０の平均粒径が１μｍ以上７０μｍ以下であることが好ましい。また、軟磁性材料は、金属磁性粒子１０の表面を取り囲む絶縁被膜をさらに備えていることが好ましい。
PCT/JP2008/065876 2007-09-11 2008-09-03 軟磁性材料、圧粉磁心、軟磁性材料の製造方法、および圧粉磁心の製造方法 WO2009034894A1 (ja)

Priority Applications (4)

Application Number Priority Date Filing Date Title
ES08831041.2T ES2537805T3 (es) 2007-09-11 2008-09-03 Material magnético blando, núcleo magnético de polvo, procedimiento para la fabricación de un material magnético blando y procedimiento para la fabricación de un núcleo magnético de polvo
EP20080831041 EP2154694B1 (en) 2007-09-11 2008-09-03 Soft magnetic material, powder magnetic core, process for producing soft magnetic material, and process for producing powder magnetic core
CN2008800014098A CN101578669B (zh) 2007-09-11 2008-09-03 软磁性材料、压粉磁芯、制造软磁性材料的方法以及制造压粉磁芯的方法
US12/518,498 US8123874B2 (en) 2007-09-11 2008-09-03 Soft magnetic material, dust core, method for manufacturing soft magnetic material, and method for manufacturing dust core

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2007235637A JP5368686B2 (ja) 2007-09-11 2007-09-11 軟磁性材料、圧粉磁心、軟磁性材料の製造方法、および圧粉磁心の製造方法
JP2007-235637 2007-09-11

Publications (1)

Publication Number Publication Date
WO2009034894A1 true WO2009034894A1 (ja) 2009-03-19

Family

ID=40451903

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2008/065876 WO2009034894A1 (ja) 2007-09-11 2008-09-03 軟磁性材料、圧粉磁心、軟磁性材料の製造方法、および圧粉磁心の製造方法

Country Status (6)

Country Link
US (1) US8123874B2 (ja)
EP (1) EP2154694B1 (ja)
JP (1) JP5368686B2 (ja)
CN (1) CN101578669B (ja)
ES (1) ES2537805T3 (ja)
WO (1) WO2009034894A1 (ja)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20110097584A1 (en) * 2009-10-26 2011-04-28 Tdk Corporation Soft magnetic material, powder magnetic core and method for manufacturing the same
US20130286703A1 (en) * 2011-03-24 2013-10-31 Sumitomo Electric Industries, Ltd. Composite material, reactor-use core, reactor, converter, and power converter apparatus
WO2015046282A1 (ja) * 2013-09-27 2015-04-02 日立化成株式会社 圧粉磁心、磁心用圧粉体の製造方法、圧粉磁心製造用の押型及び金型装置、並びに、圧粉磁心製造用押型の潤滑組成物
JP2015070028A (ja) * 2013-09-27 2015-04-13 日立化成株式会社 圧粉磁心、磁心用圧粉体の製造方法、圧粉磁心製造用押型及び金型装置、並びに、圧粉磁心製造用押型の潤滑液
WO2016194525A1 (ja) * 2015-06-04 2016-12-08 株式会社神戸製鋼所 圧粉磁心用混合粉末および圧粉磁心
US9847156B2 (en) 2011-03-24 2017-12-19 Sumitomo Electric Industries, Ltd. Composite material, reactor-use core, reactor, converter, and power converter apparatus
JP2019186558A (ja) * 2019-06-06 2019-10-24 株式会社神戸製鋼所 圧粉磁心用混合粉末および圧粉磁心

Families Citing this family (36)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5067544B2 (ja) * 2007-09-11 2012-11-07 住友電気工業株式会社 リアクトル用コアとその製造方法およびリアクトル
JP4927983B2 (ja) * 2010-04-09 2012-05-09 日立化成工業株式会社 圧粉磁心及びその製造方法
JP2018182203A (ja) 2017-04-19 2018-11-15 株式会社村田製作所 コイル部品
CN101912757B (zh) * 2010-08-30 2012-06-27 武汉大学 一种荧光-磁性双编码微球的制备方法
JP5728987B2 (ja) * 2010-09-30 2015-06-03 Tdk株式会社 圧粉磁心
JP4906972B1 (ja) 2011-04-27 2012-03-28 太陽誘電株式会社 磁性材料およびそれを用いたコイル部品
JP2012238841A (ja) 2011-04-27 2012-12-06 Taiyo Yuden Co Ltd 磁性材料及びコイル部品
US9364895B2 (en) * 2011-06-30 2016-06-14 Persimmon Technologies Corporation System and method for making a structured magnetic material via layered particle deposition
JP5032711B1 (ja) * 2011-07-05 2012-09-26 太陽誘電株式会社 磁性材料およびそれを用いたコイル部品
JP5082002B1 (ja) 2011-08-26 2012-11-28 太陽誘電株式会社 磁性材料およびコイル部品
JP6052960B2 (ja) * 2012-01-12 2016-12-27 株式会社神戸製鋼所 軟磁性鉄基粉末の製造方法
JP5892421B2 (ja) * 2012-02-16 2016-03-23 日立金属株式会社 金属粉末、その製造方法、及び圧粉磁心
EP2860738A4 (en) * 2012-05-25 2016-03-30 Ntn Toyo Bearing Co Ltd POWDER CORE, METHOD FOR MANUFACTURING POWDER CORE, AND METHOD FOR ESTIMATING FOUCAULT CURRENT LOSS IN POWDER CORE
JP2014086672A (ja) * 2012-10-26 2014-05-12 Tamura Seisakusho Co Ltd 圧粉磁心及びその製造方法、磁心用粉末及びその製造方法
DE102013215520A1 (de) * 2013-08-07 2015-02-12 Robert Bosch Gmbh Weichmagnetischer Metallpulver-Verbundwerkstoff und Verfahren zur Herstellung eines solchen
DE102013109993A1 (de) * 2013-09-11 2015-03-12 Endress + Hauser Flowtec Ag Magnetisch-induktives Durchflussmessgerät, Spulenkern und Feldspule
JP5920495B2 (ja) * 2014-05-14 2016-05-18 Tdk株式会社 軟磁性金属粉末、およびその粉末を用いた軟磁性金属圧粉コア
EP3249664B1 (en) * 2015-01-22 2019-12-04 Alps Alpine Co., Ltd. Powder core, method for producing same, electric/electronic component provided with same, and electric/electronic device having said electric/electronic component mounted thereon
JP2017135358A (ja) * 2016-01-22 2017-08-03 株式会社東芝 扁平磁性金属粒子、圧粉材料、回転電機、モータ、発電機
CN105895301B (zh) * 2016-05-28 2017-12-29 深圳市固电电子有限公司 一种铁粉芯电感及其制备方法
JP6780342B2 (ja) * 2016-07-25 2020-11-04 Tdk株式会社 軟磁性金属圧粉磁心及び軟磁性金属圧粉磁心を用いたリアクトル
JP6926419B2 (ja) * 2016-09-02 2021-08-25 Tdk株式会社 圧粉磁心
CN110178190B (zh) * 2017-01-12 2021-07-13 株式会社村田制作所 磁性体粒子、压粉磁芯和线圈部件
KR102069475B1 (ko) * 2017-01-31 2020-01-22 알프스 알파인 가부시키가이샤 압분 코어, 그 압분 코어의 제조 방법, 그 압분 코어를 구비하는 전기·전자 부품, 및 그 전기·전자 부품이 실장된 전기·전자 기기
US11915847B2 (en) * 2017-03-09 2024-02-27 Tdk Corporation Dust core
JP6891551B2 (ja) 2017-03-09 2021-06-18 Tdk株式会社 圧粉磁心
CN107452458B (zh) * 2017-07-05 2020-10-13 深圳顺络汽车电子有限公司 一种铁合金磁性材料及其制备方法
JP6780634B2 (ja) * 2017-12-13 2020-11-04 株式会社村田製作所 コイル部品
JP2019218611A (ja) * 2018-06-20 2019-12-26 Ｄｏｗａエレクトロニクス株式会社 リン酸表面処理軟磁性粉末の製造方法、及びリン酸表面処理軟磁性粉末
US10937576B2 (en) 2018-07-25 2021-03-02 Kabushiki Kaisha Toshiba Flaky magnetic metal particles, pressed powder material, rotating electric machine, motor, and generator
EP3936256A4 (en) * 2019-03-06 2022-04-27 JFE Steel Corporation IRON POWDER FOR POWDERED MAGNETIC CORE, AND POWDERED MAGNETIC CORE
US12110577B2 (en) * 2019-03-22 2024-10-08 Niterra Co., Ltd. Dust core
JP2021057434A (ja) * 2019-09-30 2021-04-08 株式会社村田製作所 コイル部品およびそれに用いられる磁性粉末混合樹脂材料の製造方法
CN111151740B (zh) * 2020-01-21 2022-03-18 柯昕 一种一体成型电感器的制造方法
JP7338529B2 (ja) * 2020-03-24 2023-09-05 Tdk株式会社 流動性付与粒子および磁性コア
JP2022022650A (ja) * 2020-06-30 2022-02-07 太陽誘電株式会社 金属磁性粒子を含む磁性基体及び当該磁性基体を備えるコイル部品

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6319448B2 (ja) * 1982-07-26 1988-04-22 Teii Deii Kei Kk
JP2004319652A (ja) 2003-04-15 2004-11-11 Tamura Seisakusho Co Ltd 磁心の製造方法およびその磁心
JP2006283166A (ja) * 2005-04-04 2006-10-19 Jfe Steel Kk 圧粉磁芯用被覆鉄基粉末および圧粉磁芯
JP2006302958A (ja) * 2005-04-15 2006-11-02 Sumitomo Electric Ind Ltd 軟磁性材料および圧粉磁心
WO2007052411A1 (ja) * 2005-11-02 2007-05-10 Sumitomo Electric Industries, Ltd. 軟磁性材料およびこれを用いて製造された圧粉磁心

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6319448A (ja) 1986-07-07 1988-01-27 ハリ−　ウイリアム　メイア− 常時かみ合いギヤ変速機
US5338508A (en) * 1988-07-13 1994-08-16 Kawasaki Steel Corporation Alloy steel powders for injection molding use, their compounds and a method for making sintered parts from the same
JPH0715121B2 (ja) * 1988-08-20 1995-02-22 川崎製鉄株式会社 射出成形用Ｆｅ―Ｃｏ系合金微粉およびＦｅ―Ｃｏ系焼結磁性材料
JP2001102207A (ja) * 1999-09-30 2001-04-13 Tdk Corp 圧粉磁心の製造方法
JP3670575B2 (ja) * 2000-01-12 2005-07-13 Ｔｄｋ株式会社 コイル封入圧粉コアの製造方法およびコイル封入圧粉コア
JP4289665B2 (ja) * 2003-07-30 2009-07-01 株式会社豊田中央研究所 リアクトル、リアクトル用コアおよびその製造方法
WO2005062132A2 (ja) * 2003-12-22 2005-07-07 Powdertech Co Ltd 電子写真現像剤用樹脂被覆キャリア及びその製造方法、並びに該樹脂被覆キャリアを用いた電子写真現像剤
JP2006024869A (ja) * 2004-07-09 2006-01-26 Toyota Central Res & Dev Lab Inc 圧粉磁心およびその製造方法
JP5067544B2 (ja) * 2007-09-11 2012-11-07 住友電気工業株式会社 リアクトル用コアとその製造方法およびリアクトル

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6319448B2 (ja) * 1982-07-26 1988-04-22 Teii Deii Kei Kk
JP2004319652A (ja) 2003-04-15 2004-11-11 Tamura Seisakusho Co Ltd 磁心の製造方法およびその磁心
JP2006283166A (ja) * 2005-04-04 2006-10-19 Jfe Steel Kk 圧粉磁芯用被覆鉄基粉末および圧粉磁芯
JP2006302958A (ja) * 2005-04-15 2006-11-02 Sumitomo Electric Ind Ltd 軟磁性材料および圧粉磁心
WO2007052411A1 (ja) * 2005-11-02 2007-05-10 Sumitomo Electric Industries, Ltd. 軟磁性材料およびこれを用いて製造された圧粉磁心

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of EP2154694A4

Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20110097584A1 (en) * 2009-10-26 2011-04-28 Tdk Corporation Soft magnetic material, powder magnetic core and method for manufacturing the same
US9349511B2 (en) * 2011-03-24 2016-05-24 Sumitomo Electric Industries, Ltd. Composite material, reactor-use core, reactor, converter, and power converter apparatus
US20130286703A1 (en) * 2011-03-24 2013-10-31 Sumitomo Electric Industries, Ltd. Composite material, reactor-use core, reactor, converter, and power converter apparatus
US9847156B2 (en) 2011-03-24 2017-12-19 Sumitomo Electric Industries, Ltd. Composite material, reactor-use core, reactor, converter, and power converter apparatus
US9754710B2 (en) 2013-09-27 2017-09-05 Hitachi Chemical Company, Ltd. Powder magnetic core, method of manufacturing powder compact for magnetic core, die and die assembly for manufacturing powder magnetic core, and die lubricating composition for manufacturing powder magnetic core
US20160240294A1 (en) * 2013-09-27 2016-08-18 Hitachi Chemical Company, Ltd. Powder magnetic core, method of manufacturing powder compact for magnetic core, die and die assembly for manufacturing powder magnetic core, and die lubricating composition for manufacturing powder magnetic core
JPWO2015046282A1 (ja) * 2013-09-27 2017-03-09 日立化成株式会社 圧粉磁心、磁心用圧粉体の製造方法、圧粉磁心製造用の押型及び金型装置、並びに、圧粉磁心製造用押型の潤滑組成物
JP2015070028A (ja) * 2013-09-27 2015-04-13 日立化成株式会社 圧粉磁心、磁心用圧粉体の製造方法、圧粉磁心製造用押型及び金型装置、並びに、圧粉磁心製造用押型の潤滑液
WO2015046282A1 (ja) * 2013-09-27 2015-04-02 日立化成株式会社 圧粉磁心、磁心用圧粉体の製造方法、圧粉磁心製造用の押型及び金型装置、並びに、圧粉磁心製造用押型の潤滑組成物
WO2016194525A1 (ja) * 2015-06-04 2016-12-08 株式会社神戸製鋼所 圧粉磁心用混合粉末および圧粉磁心
JP2017004992A (ja) * 2015-06-04 2017-01-05 株式会社神戸製鋼所 圧粉磁心用混合粉末および圧粉磁心
US10923257B2 (en) 2015-06-04 2021-02-16 Kobe Steel, Ltd. Powder mixture for powder magnetic core, and powder magnetic core
JP2019186558A (ja) * 2019-06-06 2019-10-24 株式会社神戸製鋼所 圧粉磁心用混合粉末および圧粉磁心

Also Published As

Publication number Publication date
US20100044618A1 (en) 2010-02-25
US8123874B2 (en) 2012-02-28
EP2154694A4 (en) 2010-12-08
ES2537805T3 (es) 2015-06-12
EP2154694A1 (en) 2010-02-17
JP5368686B2 (ja) 2013-12-18
EP2154694B1 (en) 2015-05-13
CN101578669A (zh) 2009-11-11
CN101578669B (zh) 2012-11-07
JP2009070914A (ja) 2009-04-02

Similar Documents

Publication Publication Date Title
WO2009034894A1 (ja) 軟磁性材料、圧粉磁心、軟磁性材料の製造方法、および圧粉磁心の製造方法
IL243923A0 (en) A method for the production of core-shell nanoparticles
WO2004083290A3 (en) Core-shell magnetic nanoparticles and nanocomposite materials formed therefrom
EP1986200A4 (en) COMPOSITE MAGNETIC SHEET AND PROCESS FOR PRODUCING THE SAME
WO2009071332A3 (de) Nanopartikuläre zusammensetzung und verfahren zu deren herstellung
WO2009075110A1 (ja) インダクタンス部品およびその製造方法
JP5372481B2 (ja) 圧粉磁心及びその製造方法
JP6730785B2 (ja) メタルコンポジットコアの製造方法、及びリアクトルの製造方法
TW200714549A (en) Method and apparatus for the production of ultrafine silica particles from solid silica powder and related coating compositions
KR101719496B1 (ko) 연자성 금속 압분 코어
SG147433A1 (en) Method for producing fine metal, alloy and composite powders
WO2008030862A3 (en) Magnetic particles and methods of making and using the same
MXPA05013782A (es) Proceso para la preparacion de un pigmento que comprende un material base y por lo menos una capa dielectrica.
EP1235324A3 (en) Electromagnetic pressing of powder iron for stator core applications
CA2667843A1 (en) High compressibility iron powder, and iron powder for dust core and dust core using the same
JP2010232225A (ja) 絶縁物被覆軟磁性粉末、圧粉磁心および磁性素子
WO2008082978A3 (en) Electrostatic chuck and method of forming
WO2009075173A1 (ja) 粉末及びその製造方法
WO2009014320A3 (en) Spherical assembly particle composition of cuprous oxide and preparation method thereof
IN2012DN03175A (ja)
JP2009185312A (ja) 複合軟磁性材料、それを用いた圧粉磁心、およびそれらの製造方法
WO2009078469A1 (ja) 絶縁被覆導電粒子、異方導電接着フィルム及びそれらの製造方法
WO2005062132A3 (ja) 電子写真現像剤用樹脂被覆キャリア及びその製造方法、並びに該樹脂被覆キャリアを用いた電子写真現像剤
WO2005062132A1 (ja) 電子写真現像剤用樹脂被覆キャリア及びその製造方法、並びに該樹脂被覆キャリアを用いた電子写真現像剤
JP2010114222A (ja) 圧粉磁心及びその製造方法

Legal Events

Date Code Title Description
WWE Wipo information: entry into national phase

Ref document number: 200880001409.8

Country of ref document: CN

121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 08831041

Country of ref document: EP

Kind code of ref document: A1

WWE Wipo information: entry into national phase

Ref document number: 12518498

Country of ref document: US

WWE Wipo information: entry into national phase

Ref document number: 2008831041

Country of ref document: EP

NENP Non-entry into the national phase

Ref country code: DE