EP0088992A3 - Procédé de fabrication d'un objet en matériau magnétique doux par agglomération d'une masse de poudre - Google Patents
Procédé de fabrication d'un objet en matériau magnétique doux par agglomération d'une masse de poudre Download PDFInfo
- 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- Withdrawn
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)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE8201678 | 1982-03-17 | ||
SE8201678A SE8201678L (sv) | 1982-03-17 | 1982-03-17 | Sett att framstella foremal av mjukmagnetiskt material |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0088992A2 EP0088992A2 (fr) | 1983-09-21 |
EP0088992A3 true EP0088992A3 (fr) | 1984-12-19 |
Family
ID=20346286
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP83102285A Withdrawn EP0088992A3 (fr) | 1982-03-17 | 1983-03-09 | Procédé de fabrication d'un objet en matériau magnétique doux par agglomération d'une masse de poudre |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP0088992A3 (fr) |
JP (1) | JPS58171501A (fr) |
SE (1) | SE8201678L (fr) |
Families Citing this family (21)
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 |
EP0205786B1 (fr) * | 1985-06-26 | 1990-01-31 | Kabushiki Kaisha Toshiba | Noyau magnétique et procédé de fabrication |
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 |
JPH0312809A (ja) * | 1989-06-09 | 1991-01-21 | Matsushita Electric Ind Co Ltd | ナノコンポジット基板 |
DE69031250T2 (de) * | 1989-06-09 | 1997-12-04 | Matsushita Electric Ind Co Ltd | Magnetisches Material |
EP0406580B1 (fr) * | 1989-06-09 | 1996-09-04 | Matsushita Electric Industrial Co., Ltd. | Matériau composite et son procédé de préparation |
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 |
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 |
DE69703572T2 (de) * | 1996-09-25 | 2001-05-31 | Shoei Chemical Ind Co | Nickel Pulver und Verfahren seiner Herstellung |
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 (fr) * | 2003-02-05 | 2004-08-05 | Patrick Lemieux | Pieces magnetiques a aimantation temporaire a haute performance fabriquees a l'aide de la technologie de la metallurgie des poudres pour applications c.a. |
JPWO2006006646A1 (ja) * | 2004-07-14 | 2008-05-01 | マイコール株式会社 | 活性鉄粉、発熱組成物及び発熱体 |
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)
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 |
-
1982
- 1982-03-17 SE SE8201678A patent/SE8201678L/ not_active Application Discontinuation
-
1983
- 1983-03-09 EP EP83102285A patent/EP0088992A3/fr not_active Withdrawn
- 1983-03-15 JP JP58043028A patent/JPS58171501A/ja active Pending
Patent Citations (5)
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 |
---|---|
EP0088992A2 (fr) | 1983-09-21 |
JPS58171501A (ja) | 1983-10-08 |
SE8201678L (sv) | 1983-09-18 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
|
AK | Designated contracting states |
Designated state(s): CH DE FR GB LI |
|
PUAL | Search report despatched |
Free format text: ORIGINAL CODE: 0009013 |
|
AK | Designated contracting states |
Designated state(s): CH DE FR GB LI |
|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN |
|
18D | Application deemed to be withdrawn |
Effective date: 19850820 |
|
RIN1 | Information on inventor provided before grant (corrected) |
Inventor name: LARKER, HANS, DR.ING. |