DE69808363T2 - Pulverkern, ferromagnetische Pulverzusammenstellung dafür, und Herstellungsverfahren - Google Patents

Pulverkern, ferromagnetische Pulverzusammenstellung dafür, und Herstellungsverfahren

Info

Publication number
DE69808363T2
DE69808363T2 DE69808363T DE69808363T DE69808363T2 DE 69808363 T2 DE69808363 T2 DE 69808363T2 DE 69808363 T DE69808363 T DE 69808363T DE 69808363 T DE69808363 T DE 69808363T DE 69808363 T2 DE69808363 T2 DE 69808363T2
Authority
DE
Germany
Prior art keywords
powder
manufacturing process
assembly therefor
core
ferromagnetic
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.)
Expired - Fee Related
Application number
DE69808363T
Other languages
English (en)
Other versions
DE69808363D1 (de
Inventor
Masami Endo
Takeo Tsukada
Masaaki Kanasugi
Kazuhiro Okada
Hideharu Moro
Norishige Yamaguchi
Toshiaki Yamada
Hideki Kitashima
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.)
TDK Corp
Original Assignee
TDK 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
Priority claimed from JP9368032A external-priority patent/JPH11195520A/ja
Application filed by TDK Corp filed Critical TDK Corp
Publication of DE69808363D1 publication Critical patent/DE69808363D1/de
Application granted granted Critical
Publication of DE69808363T2 publication Critical patent/DE69808363T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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
    • 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
DE69808363T 1997-03-31 1998-03-27 Pulverkern, ferromagnetische Pulverzusammenstellung dafür, und Herstellungsverfahren Expired - Fee Related DE69808363T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP9673197 1997-03-31
JP9368032A JPH11195520A (ja) 1997-12-27 1997-12-27 圧粉コア用強磁性粉末、圧粉コアおよびその製造方法

Publications (2)

Publication Number Publication Date
DE69808363D1 DE69808363D1 (de) 2002-11-07
DE69808363T2 true DE69808363T2 (de) 2003-06-12

Family

ID=26437909

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69808363T Expired - Fee Related DE69808363T2 (de) 1997-03-31 1998-03-27 Pulverkern, ferromagnetische Pulverzusammenstellung dafür, und Herstellungsverfahren

Country Status (4)

Country Link
US (1) US6102980A (de)
EP (1) EP0869517B1 (de)
CN (1) CN1145178C (de)
DE (1) DE69808363T2 (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102006038370A1 (de) * 2006-08-11 2008-02-14 E.G.O. Elektro-Gerätebau GmbH Spulenträger für Induktoren

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DE19849781A1 (de) * 1998-10-28 2000-05-11 Vacuumschmelze Gmbh Spritzgegossener weichmagnetischer Pulververbundwerkstoff und Verfahren zu seiner Herstellung
US6372348B1 (en) * 1998-11-23 2002-04-16 Hoeganaes Corporation Annealable insulated metal-based powder particles
KR100702919B1 (ko) * 1999-06-21 2007-04-03 후루카와 덴키 고교 가부시키가이샤 회전센서 및 그 측정회로
DE19945619A1 (de) * 1999-09-23 2001-04-19 Bosch Gmbh Robert Preßmasse und Verfahren zur Herstellung eines weichmagnetischen Verbundwerkstoffes mit der Preßmasse
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
JP2002015912A (ja) * 2000-06-30 2002-01-18 Tdk Corp 圧粉磁芯用粉末及び圧粉磁芯
JP3507836B2 (ja) * 2000-09-08 2004-03-15 Ｔｄｋ株式会社 圧粉磁芯
EP1353341B1 (de) * 2001-01-19 2012-09-26 Kabushiki Kaisha Toyota Chuo Kenkyusho Pulverkern und verfahren zu seiner herstellung
DE10106172A1 (de) * 2001-02-10 2002-08-29 Bosch Gmbh Robert Verfahren zur Herstellung eines Formteils aus einem weichmagnetischen Verbundwerkstoff
CA2378417C (en) * 2001-03-27 2009-11-24 Kawasaki Steel Corporation Ferromagnetic-metal-based powder, powder core using the same, and manufacturing method for ferromagnetic-metal-based powder
JP2003013955A (ja) * 2001-07-02 2003-01-15 Ishikawajima Harima Heavy Ind Co Ltd 磁気軸受用ステータコア
US20040086708A1 (en) * 2002-11-04 2004-05-06 General Electric Company High permeability soft magnetic composites
US7041148B2 (en) * 2003-03-03 2006-05-09 General Electric Company Coated ferromagnetic particles and compositions containing the same
US6946540B2 (en) * 2003-03-24 2005-09-20 Chevron Phillips Chemical Company, Lp Method of measuring extent of curing of compacted poly(arylene sulfide)
US20050019558A1 (en) * 2003-07-24 2005-01-27 Amitabh Verma Coated ferromagnetic particles, method of manufacturing and composite magnetic articles derived therefrom
US20050016658A1 (en) * 2003-07-24 2005-01-27 Thangavelu Asokan Composite coatings for ground wall insulation in motors, method of manufacture thereof and articles derived therefrom
JP2005139943A (ja) * 2003-11-05 2005-06-02 Mitsubishi Materials Corp 電磁石用コア及びその製造方法
US7803457B2 (en) * 2003-12-29 2010-09-28 General Electric Company Composite coatings for groundwall insulation, method of manufacture thereof and articles derived therefrom
JP4457682B2 (ja) * 2004-01-30 2010-04-28 住友電気工業株式会社 圧粉磁心およびその製造方法
JP4507663B2 (ja) * 2004-03-30 2010-07-21 住友電気工業株式会社 軟磁性材料の製造方法、軟磁性粉末および圧粉磁心
CN100424968C (zh) * 2005-01-04 2008-10-08 周萌 整体型转子/定子的制备方法
DE102006032517B4 (de) * 2006-07-12 2015-12-24 Vaccumschmelze Gmbh & Co. Kg Verfahren zur Herstellung von Pulververbundkernen und Pulververbundkern
CN100453214C (zh) * 2006-09-27 2009-01-21 王忠强 耐高温铁粉芯的制造方法
JP4970899B2 (ja) * 2006-10-27 2012-07-11 株式会社日立製作所 高抵抗圧粉磁心の製造方法
US8475709B2 (en) * 2007-03-21 2013-07-02 Hoganas Ab (Publ) Powder metal polymer composites
WO2010109561A1 (ja) 2009-03-27 2010-09-30 株式会社 東芝 コアシェル型磁性材料、コアシェル型磁性材料の製造方法、デバイス装置、およびアンテナ装置
CN101745637B (zh) * 2010-02-11 2016-03-09 昆山磁通新材料科技有限公司 一种绝缘包覆方法及依据此方法制备的金属粉芯
JP5175884B2 (ja) * 2010-03-05 2013-04-03 株式会社東芝 ナノ粒子複合材料、それを用いたアンテナ装置及び電磁波吸収体
JP5976284B2 (ja) * 2010-07-23 2016-08-23 株式会社豊田中央研究所 圧粉磁心の製造方法および磁心用粉末の製造方法
CN102319895A (zh) * 2011-10-12 2012-01-18 长沙市杰冠电子科技有限公司 压粉铁芯用包覆粉末及其制备工艺
CN103233099A (zh) * 2013-05-08 2013-08-07 南通长江电器实业有限公司 一种定子高温退火工艺
JP6734515B2 (ja) * 2015-03-27 2020-08-05 住友電工焼結合金株式会社 成形体の熱処理方法
WO2017138158A1 (ja) * 2016-02-10 2017-08-17 株式会社トーキン 複合磁性体および製造方法
CN107936558A (zh) * 2017-12-13 2018-04-20 江西伟普科技有限公司 一种高磁性应用范围的耐高温注塑粘结磁性材料的制备方法
CN108899193A (zh) * 2018-09-03 2018-11-27 浙江辉波蕾汽车部件有限公司 一种用于汽车点火线圈的软磁铁芯及其制备方法
CN109193977B (zh) * 2018-09-26 2020-04-14 浙江宝捷机电有限公司 一种用于发电机铁芯的磁性材料及其制备方法
WO2020076891A1 (en) * 2018-10-10 2020-04-16 Powdermet Inc. High frequency low loss magnetic core and method of manufacture
JP7268520B2 (ja) * 2019-07-25 2023-05-08 セイコーエプソン株式会社 磁性粉末、磁性粉末の製造方法、圧粉磁心およびコイル部品
CN112692276B (zh) * 2020-12-09 2024-03-08 武汉科技大学 一种铁基抗氧化磁性复合粉体及其制备方法

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SE8201678L (sv) * 1982-03-17 1983-09-18 Asea Ab Sett att framstella foremal av mjukmagnetiskt material
EP0225392B1 (de) * 1985-06-10 1992-02-19 Takeuchi Press Industries Co., Ltd. Harzgebundene magnetische zusammensetzung und verfahren zur herstellung magnetischer gussstücke daraus
JPS61288403A (ja) * 1985-06-15 1986-12-18 Kobe Steel Ltd 高周波数領域用圧粉磁心
DE68920778T2 (de) * 1988-05-24 1995-05-18 Anagen Uk Ltd Magnetisch anziehbare Teilchen und Herstellungsverfahren.
JPH04180502A (ja) * 1990-11-14 1992-06-26 Tokin Corp 形状異方性軟磁性合金粉末及びその製造方法
US5702630A (en) * 1992-07-16 1997-12-30 Nippon Oil Company, Ltd. Fluid having both magnetic and electrorheological characteristics
JPH0837107A (ja) * 1994-07-22 1996-02-06 Tdk Corp 圧粉コア
JPH09260126A (ja) * 1996-01-16 1997-10-03 Tdk Corp 圧粉コア用鉄粉末、圧粉コアおよびその製造方法
US5880201A (en) * 1996-12-05 1999-03-09 Catalysts & Chemicals Industries Co., Ltd. Thermoplastic resin film and method of manufacturing the same

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102006038370A1 (de) * 2006-08-11 2008-02-14 E.G.O. Elektro-Gerätebau GmbH Spulenträger für Induktoren

Also Published As

Publication number Publication date
CN1145178C (zh) 2004-04-07
DE69808363D1 (de) 2002-11-07
US6102980A (en) 2000-08-15
CN1198579A (zh) 1998-11-11
EP0869517A1 (de) 1998-10-07
EP0869517B1 (de) 2002-10-02

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Legal Events

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8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee