EP0088992A3 - Verfahren zur Herstellung eines Formkörpers aus weichmagnetischem Material durch Verbinden einer Pulvermasse - Google Patents

Verfahren zur Herstellung eines Formkörpers aus weichmagnetischem Material durch Verbinden einer Pulvermasse Download PDF

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Publication number
EP0088992A3
EP0088992A3 EP83102285A EP83102285A EP0088992A3 EP 0088992 A3 EP0088992 A3 EP 0088992A3 EP 83102285 A EP83102285 A EP 83102285A EP 83102285 A EP83102285 A EP 83102285A EP 0088992 A3 EP0088992 A3 EP 0088992A3
Authority
EP
European Patent Office
Prior art keywords
grains
iron
oxide
magnetic material
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.)
Withdrawn
Application number
EP83102285A
Other languages
English (en)
French (fr)
Other versions
EP0088992A2 (de
Inventor
Hans Dr.Ing. Larker
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.)
ABB Norden Holding AB
Original Assignee
ASEA AB
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 ASEA AB filed Critical ASEA AB
Publication of EP0088992A2 publication Critical patent/EP0088992A2/de
Publication of EP0088992A3 publication Critical patent/EP0088992A3/de
Withdrawn legal-status Critical Current

Links

Classifications

    • 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
    • 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
    • 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
    • B22F3/14—Both compacting and sintering simultaneously
    • B22F3/15—Hot isostatic pressing
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Dispersion Chemistry (AREA)
  • Power Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Powder Metallurgy (AREA)
  • Soft Magnetic Materials (AREA)
EP83102285A 1982-03-17 1983-03-09 Verfahren zur Herstellung eines Formkörpers aus weichmagnetischem Material durch Verbinden einer Pulvermasse Withdrawn EP0088992A3 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE8201678A SE8201678L (sv) 1982-03-17 1982-03-17 Sett att framstella foremal av mjukmagnetiskt material
SE8201678 1982-03-17

Publications (2)

Publication Number Publication Date
EP0088992A2 EP0088992A2 (de) 1983-09-21
EP0088992A3 true EP0088992A3 (de) 1984-12-19

Family

ID=20346286

Family Applications (1)

Application Number Title Priority Date Filing Date
EP83102285A Withdrawn EP0088992A3 (de) 1982-03-17 1983-03-09 Verfahren zur Herstellung eines Formkörpers aus weichmagnetischem Material durch Verbinden einer Pulvermasse

Country Status (3)

Country Link
EP (1) EP0088992A3 (de)
JP (1) JPS58171501A (de)
SE (1) SE8201678L (de)

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0611008B2 (ja) * 1983-11-16 1994-02-09 株式会社東芝 圧粉鉄心
JPS61124038A (ja) * 1984-11-20 1986-06-11 Toshiba Corp 電磁偏向型ブラウン管用偏向ヨ−ク及びその製造方法
DE3668722D1 (de) * 1985-06-26 1990-03-08 Toshiba Kawasaki Kk Magnetkern und herstellungsverfahren.
DE69014210T2 (de) * 1989-01-10 1995-06-22 Matsushita Electric Ind Co Ltd Magnetkopf und Herstellungsverfahren.
JPH0682577B2 (ja) * 1989-01-18 1994-10-19 新日本製鐵株式会社 Ｆｅ―Ｓｉ系合金圧粉磁心およびその製造方法
JPH0779101B2 (ja) * 1989-05-24 1995-08-23 株式会社東芝 半導体装置の製法
DE69031250T2 (de) * 1989-06-09 1997-12-04 Matsushita Electric Ind Co Ltd Magnetisches Material
JPH0312809A (ja) * 1989-06-09 1991-01-21 Matsushita Electric Ind Co Ltd ナノコンポジット基板
EP0406580B1 (de) * 1989-06-09 1996-09-04 Matsushita Electric Industrial Co., Ltd. Verbundmaterial sowie Verfahren zu seiner Herstellung
JPH04226003A (ja) * 1990-05-09 1992-08-14 Tdk Corp 複合軟磁性材料および複合軟磁性材料用コート粒子
JPH05109520A (ja) * 1991-08-19 1993-04-30 Tdk Corp 複合軟磁性材料
DE69703573T2 (de) * 1996-09-25 2001-05-31 Shoei Chemical Inc., Tokyo Verfahren zur Herstellung von Metallpulver durch Zersetzung
JP3206496B2 (ja) * 1997-06-02 2001-09-10 昭栄化学工業株式会社 金属粉末及びその製造方法
US6102980A (en) * 1997-03-31 2000-08-15 Tdk Corporation Dust core, ferromagnetic powder composition therefor, and method of making
SE512783C2 (sv) * 1998-03-30 2000-05-15 Hoeganaes Ab Statoraggregat för en elektrisk maskin
DE19945592A1 (de) 1999-09-23 2001-04-12 Bosch Gmbh Robert Weichmagnetischer Werkstoff und Verfahren zu dessen Herstellung
DE19960095A1 (de) * 1999-12-14 2001-07-05 Bosch Gmbh Robert Gesinterter weichmagnetischer Verbundwerkstoff und Verfahren zu dessen Herstellung
DE10031923A1 (de) * 2000-06-30 2002-01-17 Bosch Gmbh Robert Weichmagnetischer Werkstoff mit heterogenem Gefügebau und Verfahren zu dessen Herstellung
CA2418497A1 (en) * 2003-02-05 2004-08-05 Patrick Lemieux High performance soft magnetic parts made by powder metallurgy for ac applications
CA2573812A1 (en) * 2004-07-14 2006-01-19 Mycoal Products Corporation Active iron powder, heat generating composition, and heat generating body
JP6930722B2 (ja) * 2017-06-26 2021-09-01 太陽誘電株式会社 磁性材料、電子部品及び磁性材料の製造方法

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1669648A (en) * 1927-01-03 1928-05-15 Western Electric Co Magnetic material
US2068658A (en) * 1934-06-20 1937-01-26 Associated Electric Lab Inc Inductance coil core
US2531445A (en) * 1945-11-23 1950-11-28 Int Standard Electric Corp Manufacture of magnetic bodies from compressed powdered materials
US3814598A (en) * 1970-12-29 1974-06-04 Chromalloy American Corp Wear resistant powder metal magnetic pole piece made from oxide coated fe-al-si powders
FR2391018A1 (fr) * 1977-05-16 1978-12-15 Carpenter Technology Corp Produit metallurgique fragile realise par frittage

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1669648A (en) * 1927-01-03 1928-05-15 Western Electric Co Magnetic material
US2068658A (en) * 1934-06-20 1937-01-26 Associated Electric Lab Inc Inductance coil core
US2531445A (en) * 1945-11-23 1950-11-28 Int Standard Electric Corp Manufacture of magnetic bodies from compressed powdered materials
US3814598A (en) * 1970-12-29 1974-06-04 Chromalloy American Corp Wear resistant powder metal magnetic pole piece made from oxide coated fe-al-si powders
FR2391018A1 (fr) * 1977-05-16 1978-12-15 Carpenter Technology Corp Produit metallurgique fragile realise par frittage

Also Published As

Publication number Publication date
JPS58171501A (ja) 1983-10-08
SE8201678L (sv) 1983-09-18
EP0088992A2 (de) 1983-09-21

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PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

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Designated state(s): CH DE FR GB LI

PUAL Search report despatched

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STAA Information on the status of an ep patent application or granted ep patent

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18D Application deemed to be withdrawn

Effective date: 19850820

RIN1 Information on inventor provided before grant (corrected)

Inventor name: LARKER, HANS, DR.ING.