EP1231003A3 - Procédé de fabrication d'un article en un matériau composite magnétiquement doux - Google Patents

Procédé de fabrication d'un article en un matériau composite magnétiquement doux Download PDF

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Publication number
EP1231003A3
EP1231003A3 EP02001397A EP02001397A EP1231003A3 EP 1231003 A3 EP1231003 A3 EP 1231003A3 EP 02001397 A EP02001397 A EP 02001397A EP 02001397 A EP02001397 A EP 02001397A EP 1231003 A3 EP1231003 A3 EP 1231003A3
Authority
EP
European Patent Office
Prior art keywords
annealing
molding
composite material
soft magnetic
magnetic composite
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
EP02001397A
Other languages
German (de)
English (en)
Other versions
EP1231003B1 (fr
EP1231003A2 (fr
Inventor
Hans-Peter Koch
Jochen Winkler
Andreas Harzer
Wolfgang Ballerstedt
Torsten Bober
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.)
Robert Bosch GmbH
Original Assignee
Robert Bosch GmbH
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 Robert Bosch GmbH filed Critical Robert Bosch GmbH
Publication of EP1231003A2 publication Critical patent/EP1231003A2/fr
Publication of EP1231003A3 publication Critical patent/EP1231003A3/fr
Application granted granted Critical
Publication of EP1231003B1 publication Critical patent/EP1231003B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C33/00Making ferrous alloys
    • C22C33/02Making ferrous alloys by powder metallurgy
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B22CASTING; POWDER METALLURGY
    • B22FWORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F3/00Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
    • B22F3/10Sintering only
    • B22F3/1003Use of special medium during sintering, e.g. sintering aid
    • B22F3/1007Atmosphere
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21DMODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D1/00General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
    • C21D1/74Methods of treatment in inert gas, controlled atmosphere, vacuum or pulverulent material
    • C21D1/76Adjusting the composition of the atmosphere
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01FMAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F41/00Apparatus 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
    • H01F41/02Apparatus 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
    • H01F41/0206Manufacturing of magnetic cores by mechanical means
    • H01F41/0246Manufacturing of magnetic circuits by moulding or by pressing powder
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B22CASTING; POWDER METALLURGY
    • B22FWORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F3/00Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
    • B22F3/02Compacting only
    • B22F2003/023Lubricant mixed with the metal powder
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B22CASTING; POWDER METALLURGY
    • B22FWORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F3/00Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
    • B22F3/24After-treatment of workpieces or articles
    • B22F2003/241Chemical after-treatment on the surface
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B22CASTING; POWDER METALLURGY
    • B22FWORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F3/00Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
    • B22F3/24After-treatment of workpieces or articles
    • B22F2003/247Removing material: carving, cleaning, grinding, hobbing, honing, lapping, polishing, milling, shaving, skiving, turning the surface
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B22CASTING; POWDER METALLURGY
    • B22FWORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F2998/00Supplementary information concerning processes or compositions relating to powder metallurgy
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B22CASTING; POWDER METALLURGY
    • B22FWORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F2998/00Supplementary information concerning processes or compositions relating to powder metallurgy
    • B22F2998/10Processes characterised by the sequence of their steps
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B22CASTING; POWDER METALLURGY
    • B22FWORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F2999/00Aspects linked to processes or compositions used in powder metallurgy

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Manufacturing & Machinery (AREA)
  • Power Engineering (AREA)
  • Organic Chemistry (AREA)
  • Materials Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Thermal Sciences (AREA)
  • Soft Magnetic Materials (AREA)
  • Powder Metallurgy (AREA)
  • Heat Treatment Of Articles (AREA)
EP02001397A 2001-02-10 2002-01-19 Procédé de fabrication d'un article en un matériau composite magnétiquement doux Expired - Lifetime EP1231003B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10106172 2001-02-10
DE10106172A DE10106172A1 (de) 2001-02-10 2001-02-10 Verfahren zur Herstellung eines Formteils aus einem weichmagnetischen Verbundwerkstoff

Publications (3)

Publication Number Publication Date
EP1231003A2 EP1231003A2 (fr) 2002-08-14
EP1231003A3 true EP1231003A3 (fr) 2005-07-20
EP1231003B1 EP1231003B1 (fr) 2009-02-25

Family

ID=7673570

Family Applications (1)

Application Number Title Priority Date Filing Date
EP02001397A Expired - Lifetime EP1231003B1 (fr) 2001-02-10 2002-01-19 Procédé de fabrication d'un article en un matériau composite magnétiquement doux

Country Status (3)

Country Link
US (1) US7175794B2 (fr)
EP (1) EP1231003B1 (fr)
DE (2) DE10106172A1 (fr)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE0203168D0 (sv) * 2002-10-25 2002-10-25 Hoeganaes Ab Heat treatment of iron-based components
JP4134111B2 (ja) * 2005-07-01 2008-08-13 三菱製鋼株式会社 絶縁軟磁性金属粉末成形体の製造方法
DE102008059565A1 (de) * 2008-10-17 2010-04-22 Continental Teves Ag & Co. Ohg Magnetspule, inbesondere für Elektromagnetventile
GB2494217B (en) * 2012-01-19 2014-10-08 Libertine Fpe Ltd A linear electrical machine with a piston and axially segmented cylinder
US20150078952A1 (en) * 2012-04-23 2015-03-19 Aida Engineering, Ltd. High-density molding device and high-density molding method for mixed powder
DE102012211053A1 (de) 2012-06-27 2014-01-02 Robert Bosch Gmbh Weichmagnetische Komponente und Verfahren zur Herstellung einer solchen
KR101540150B1 (ko) * 2013-05-27 2015-07-28 삼성전기주식회사 스위치드 릴럭턴스 모터
CN104923792A (zh) * 2015-07-07 2015-09-23 北京科汇粉末冶金厂 电磁零件及其制备方法
AT521006B1 (de) * 2018-01-24 2021-08-15 Miba Sinter Austria Gmbh Verfahren zum Herstellen eines Bauteils mit weichmagnetischen Eigenschaften
CN110947956B (zh) * 2019-11-21 2021-05-14 山东精创磁电产业技术研究院有限公司 一种高强度、高磁导率软磁复合材料成形工艺
JP2023542518A (ja) * 2020-09-21 2023-10-10 イーヴィーアール モーターズ リミテッド ラジアルフラックス電気機械

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1996002345A1 (fr) * 1994-07-18 1996-02-01 Höganäs Ab Composants a base de poudre de fer contenant de la resine thermoplastique et leur procede d'elaboration
EP0977216A1 (fr) * 1998-07-29 2000-02-02 TDK Corporation Poudre ferromagnétique pour noyau en poudre,noyau en poudre,et procédé de fabrication d' un noyau en poudre

Family Cites Families (13)

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Publication number Priority date Publication date Assignee Title
DE3830092A1 (de) * 1988-09-03 1990-03-15 Hoechst Ag Verfahren zur herstellung eines hochtemperatursupraleiters sowie daraus bestehende formkoerper
JPH02141526A (ja) * 1988-11-24 1990-05-30 Ngk Insulators Ltd 雰囲気制御システム
DE4118988A1 (de) * 1991-06-08 1992-12-10 Hoechst Ag Mit metallischen leitern kontaktierte massivkoerper aus keramischem hochtemperatur-supraleiter-material sowie verfahren zu ihrer herstellung
US5268140A (en) * 1991-10-03 1993-12-07 Hoeganaes Corporation Thermoplastic coated iron powder components and methods of making same
DE4228519B4 (de) * 1992-08-27 2006-04-27 Vacuumschmelze Gmbh Verfahren zur Herstellung von kunststoffgebundenen anisotropen Dauermagnetformteilen
SE9401922D0 (sv) * 1994-06-02 1994-06-02 Hoeganaes Ab Lubricant for metal powder compositions, metal powder composition containing th lubricant, method for making sintered products by using the lubricant, and the use of same
US6001272A (en) * 1996-03-18 1999-12-14 Seiko Epson Corporation Method for producing rare earth bond magnet, composition for rare earth bond magnet, and rare earth bond magnet
JPH1083911A (ja) * 1996-09-06 1998-03-31 Tokin Corp 複合磁性体及びそれを用いた電磁干渉抑制体
US6102980A (en) * 1997-03-31 2000-08-15 Tdk Corporation Dust core, ferromagnetic powder composition therefor, and method of making
DE19735271C2 (de) * 1997-08-14 2000-05-04 Bosch Gmbh Robert Weichmagnetischer, formbarer Verbundwerkstoff und Verfahren zu dessen Herstellung
US6174453B1 (en) * 1998-10-02 2001-01-16 Tdk Corporation High-density ferrite member and ferrite beads composition therefor
DE19945592A1 (de) * 1999-09-23 2001-04-12 Bosch Gmbh Robert Weichmagnetischer Werkstoff und Verfahren zu dessen Herstellung
DE19960991C1 (de) * 1999-12-17 2001-03-22 Clariant Gmbh Formmasse zur Herstellung pulvermetallischer oder keramischer Erzeugnisse

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1996002345A1 (fr) * 1994-07-18 1996-02-01 Höganäs Ab Composants a base de poudre de fer contenant de la resine thermoplastique et leur procede d'elaboration
EP0977216A1 (fr) * 1998-07-29 2000-02-02 TDK Corporation Poudre ferromagnétique pour noyau en poudre,noyau en poudre,et procédé de fabrication d' un noyau en poudre

Also Published As

Publication number Publication date
US7175794B2 (en) 2007-02-13
DE10106172A1 (de) 2002-08-29
US20020135089A1 (en) 2002-09-26
EP1231003B1 (fr) 2009-02-25
DE50213306D1 (de) 2009-04-09
EP1231003A2 (fr) 2002-08-14

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