DE3587010D1 - Gepresster magnetpulverkern. - Google Patents
Gepresster magnetpulverkern.Info
- Publication number
- DE3587010D1 DE3587010D1 DE8585306848T DE3587010T DE3587010D1 DE 3587010 D1 DE3587010 D1 DE 3587010D1 DE 8585306848 T DE8585306848 T DE 8585306848T DE 3587010 T DE3587010 T DE 3587010T DE 3587010 D1 DE3587010 D1 DE 3587010D1
- Authority
- DE
- Germany
- Prior art keywords
- magnetic powder
- powder core
- pressed magnetic
- pressed
- core
- 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
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
Landscapes
- Chemical & Material Sciences (AREA)
- Dispersion Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Soft Magnetic Materials (AREA)
- Powder Metallurgy (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP20487084A JPS6182402A (ja) | 1984-09-29 | 1984-09-29 | 鉄心 |
JP59274096A JPS61154111A (ja) | 1984-12-27 | 1984-12-27 | 鉄心及びその製造方法 |
Publications (3)
Publication Number | Publication Date |
---|---|
DE3587010D1 true DE3587010D1 (de) | 1993-03-04 |
DE3587010T2 DE3587010T2 (de) | 1993-07-15 |
DE3587010T3 DE3587010T3 (de) | 1999-06-10 |
Family
ID=26514707
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE3587906T Expired - Fee Related DE3587906T2 (de) | 1984-09-29 | 1985-09-26 | Verfahren zur Herstellung eines gecoateden magnetischen Pulvers und gepresster magnetischer Pulverkern. |
DE3587010T Expired - Fee Related DE3587010T3 (de) | 1984-09-29 | 1985-09-26 | Gepresster Magnetpulverkern. |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE3587906T Expired - Fee Related DE3587906T2 (de) | 1984-09-29 | 1985-09-26 | Verfahren zur Herstellung eines gecoateden magnetischen Pulvers und gepresster magnetischer Pulverkern. |
Country Status (3)
Country | Link |
---|---|
US (2) | US4919734A (de) |
EP (2) | EP0434669B1 (de) |
DE (2) | DE3587906T2 (de) |
Families Citing this family (25)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE69028360T2 (de) * | 1989-06-09 | 1997-01-23 | Matsushita Electric Ind Co Ltd | Verbundmaterial sowie Verfahren zu seiner Herstellung |
DE69031250T2 (de) * | 1989-06-09 | 1997-12-04 | Matsushita Electric Ind Co Ltd | Magnetisches Material |
US5306524A (en) * | 1989-06-12 | 1994-04-26 | Hoeganaes Corporation | Thermoplastic coated magnetic powder compositions and methods of making same |
US5198137A (en) * | 1989-06-12 | 1993-03-30 | Hoeganaes Corporation | Thermoplastic coated magnetic powder compositions and methods of making same |
US5268140A (en) * | 1991-10-03 | 1993-12-07 | Hoeganaes Corporation | Thermoplastic coated iron powder components and methods of making same |
DE4140900A1 (de) * | 1991-12-12 | 1993-06-17 | Basf Ag | Als carrier fuer die elektrophotographie geeignete teilchen |
US5225459A (en) * | 1992-01-31 | 1993-07-06 | Hoeganaes Corporation | Method of making an iron/polymer powder composition |
SE9401392D0 (sv) * | 1994-04-25 | 1994-04-25 | Hoeganaes Ab | Heat-treating of iron powders |
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 |
JP4187266B2 (ja) * | 1996-02-23 | 2008-11-26 | ホガナス アクチボラゲット | リン酸塩被覆した鉄粉末およびその製造方法 |
DE19735271C2 (de) * | 1997-08-14 | 2000-05-04 | Bosch Gmbh Robert | Weichmagnetischer, formbarer Verbundwerkstoff und Verfahren zu dessen Herstellung |
US6372348B1 (en) | 1998-11-23 | 2002-04-16 | Hoeganaes Corporation | Annealable insulated metal-based powder particles |
US6193903B1 (en) * | 1999-05-14 | 2001-02-27 | Delphi Technologies, Inc. | Method of forming high-temperature magnetic articles and articles formed thereby |
JP2003303711A (ja) * | 2001-03-27 | 2003-10-24 | Jfe Steel Kk | 鉄基粉末およびこれを用いた圧粉磁心ならびに鉄基粉末の製造方法 |
CA2418497A1 (en) * | 2003-02-05 | 2004-08-05 | Patrick Lemieux | High performance soft magnetic parts made by powder metallurgy for ac applications |
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 |
US7803457B2 (en) | 2003-12-29 | 2010-09-28 | General Electric Company | Composite coatings for groundwall insulation, method of manufacture thereof and articles derived therefrom |
WO2005083725A1 (ja) * | 2004-02-26 | 2005-09-09 | Sumitomo Electric Industries, Ltd. | 軟磁性材料ならびに圧粉磁心およびその製造方法 |
JP2008041771A (ja) * | 2006-08-02 | 2008-02-21 | Toshiba Corp | 高周波磁性材料の製造方法 |
WO2008035681A1 (en) * | 2006-09-20 | 2008-03-27 | Hitachi Metals, Ltd. | Coated metal fine particles and process for production thereof |
CN102089835A (zh) * | 2008-07-08 | 2011-06-08 | 丹麦理工大学 | 磁致热致冷器 |
US8911663B2 (en) * | 2009-03-05 | 2014-12-16 | Quebec Metal Powders, Ltd. | Insulated iron-base powder for soft magnetic applications |
PL402606A1 (pl) * | 2013-01-29 | 2014-08-04 | Instytut Niskich Temperatur I Badań Strukturalnych Pan Im. Włodzimierza Trzebiatowskiego | Sposób otrzymywania ceramiki magnetycznej i jej zastosowanie |
CN111292910B (zh) * | 2020-02-16 | 2021-06-18 | 北京工业大学 | 一种具有特殊结构的Co/SmCo复合磁性材料的快速制备方法 |
Family Cites Families (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20507A (en) * | 1858-06-08 | Combined umbrella and head-best | ||
USRE20507E (en) | 1937-09-14 | Magnetic material | ||
US2864734A (en) * | 1958-12-16 | Magnetic flake core and method of | ||
US1669642A (en) * | 1926-04-17 | 1928-05-15 | Western Electric Co | Magnetic material |
US1651958A (en) * | 1927-01-03 | 1927-12-06 | Bell Telephone Labor Inc | Insulation of finely-divided magnetic material |
US1981468A (en) * | 1929-11-30 | 1934-11-20 | Automatic Electric Co Ltd | Magnet core |
US1901018A (en) * | 1932-02-19 | 1933-03-14 | Int Nickel Co | Treatment of magnetic alloys and products resulting therefrom |
US2085830A (en) * | 1936-03-06 | 1937-07-06 | Ruben Samuel | Magnetic material and vanadium pentoxide bonding means therefor |
GB736844A (en) * | 1952-11-07 | 1955-09-14 | T S Skillman And Company Pty L | Improvements in the manufacture of magnetic dust cores |
GB812295A (en) * | 1955-06-08 | 1959-04-22 | Siemens Ag | Improvements in or relating to processes for the manufacture of sintered bodies having soft magnetic properties |
US2873225A (en) * | 1957-05-20 | 1959-02-10 | Adams Edmond | Magnetic flake core |
US2977263A (en) * | 1959-12-03 | 1961-03-28 | Western Electric Co | Magnetic cores and methods of making the same |
US3695945A (en) * | 1970-04-30 | 1972-10-03 | Gen Electric | Method of producing a sintered cobalt-rare earth intermetallic product |
US3877999A (en) * | 1974-06-03 | 1975-04-15 | Gen Electric | Hydration-disintegration of cobalt-rare earth alloy containing material |
US4158561A (en) * | 1978-04-14 | 1979-06-19 | Westinghouse Electric Corp. | Method for preparing oxide coated microlamination particles |
US4265681A (en) * | 1978-04-14 | 1981-05-05 | Westinghouse Electric Corp. | Method of producing low loss pressed magnetic cores from microlaminations |
JPS5846044B2 (ja) * | 1979-04-14 | 1983-10-14 | 日本金属株式会社 | 圧粉鉄心 |
DE3422281A1 (de) * | 1983-06-20 | 1984-12-20 | Allied Corp., Morristown, N.J. | Verfahren zur herstellung von formlingen aus magnetischen metallegierungen und so hergestellte formlinge |
JPS6026603A (ja) * | 1983-07-26 | 1985-02-09 | Toshiba Corp | 非晶質合金粉末 |
-
1985
- 1985-09-26 DE DE3587906T patent/DE3587906T2/de not_active Expired - Fee Related
- 1985-09-26 DE DE3587010T patent/DE3587010T3/de not_active Expired - Fee Related
- 1985-09-26 EP EP91103347A patent/EP0434669B1/de not_active Expired - Lifetime
- 1985-09-26 EP EP85306848A patent/EP0177276B2/de not_active Expired - Lifetime
-
1987
- 1987-09-14 US US07/097,402 patent/US4919734A/en not_active Expired - Lifetime
-
1988
- 1988-10-20 US US07/260,314 patent/US4927473A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
EP0434669B1 (de) | 1994-08-10 |
EP0177276B2 (de) | 1998-11-18 |
US4919734A (en) | 1990-04-24 |
EP0434669A2 (de) | 1991-06-26 |
US4927473A (en) | 1990-05-22 |
DE3587906T2 (de) | 1995-01-12 |
DE3587010T2 (de) | 1993-07-15 |
EP0177276A2 (de) | 1986-04-09 |
EP0177276A3 (en) | 1987-09-23 |
EP0434669A3 (de) | 1991-07-24 |
EP0177276B1 (de) | 1993-01-20 |
DE3587906D1 (de) | 1994-09-15 |
DE3587010T3 (de) | 1999-06-10 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8363 | Opposition against the patent | ||
8366 | Restricted maintained after opposition proceedings | ||
8320 | Willingness to grant licences declared (paragraph 23) | ||
8339 | Ceased/non-payment of the annual fee |