DE69725750D1 - Pulver für dauermagnet, ihres herstellungsverfahren und mit dieses puder hergestellte anisotrope dauermagnet - Google Patents
Pulver für dauermagnet, ihres herstellungsverfahren und mit dieses puder hergestellte anisotrope dauermagnetInfo
- Publication number
- DE69725750D1 DE69725750D1 DE69725750T DE69725750T DE69725750D1 DE 69725750 D1 DE69725750 D1 DE 69725750D1 DE 69725750 T DE69725750 T DE 69725750T DE 69725750 T DE69725750 T DE 69725750T DE 69725750 D1 DE69725750 D1 DE 69725750D1
- Authority
- DE
- Germany
- Prior art keywords
- powder
- permanent magnet
- anisotrope
- production process
- produced
- 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 - Lifetime
Links
- 239000000843 powder Substances 0.000 title abstract 2
- 238000004519 manufacturing process Methods 0.000 title 1
- 239000010419 fine particle Substances 0.000 abstract 2
- 229910017061 Fe Co Inorganic materials 0.000 abstract 1
- 229910045601 alloy Inorganic materials 0.000 abstract 1
- 239000000956 alloy Substances 0.000 abstract 1
- 239000000463 material Substances 0.000 abstract 1
- 229910052761 rare earth metal Inorganic materials 0.000 abstract 1
- 238000000926 separation method Methods 0.000 abstract 1
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
- H01F1/032—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 hard-magnetic materials
- H01F1/04—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 hard-magnetic materials metals or alloys
- H01F1/047—Alloys characterised by their composition
- H01F1/053—Alloys characterised by their composition containing rare earth metals
- H01F1/055—Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5
- H01F1/059—Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5 and Va elements, e.g. Sm2Fe17N2
-
- 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
- H01F1/0302—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity characterised by unspecified or heterogeneous hardness or specially adapted for magnetic hardness transitions
- H01F1/0306—Metals or alloys, e.g. LAVES phase alloys of the MgCu2-type
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP29404996 | 1996-11-06 | ||
JP29404996A JP3647995B2 (ja) | 1996-11-06 | 1996-11-06 | 永久磁石用粉末並びにその製造方法および該粉末を用いた異方性永久磁石 |
PCT/JP1997/004012 WO1998020507A1 (fr) | 1996-11-06 | 1997-11-04 | Poudre pour aimant permanent, procede de production associe et aimant permanent anisotrope fabrique avec ladite poudre |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69725750D1 true DE69725750D1 (de) | 2003-11-27 |
DE69725750T2 DE69725750T2 (de) | 2004-08-19 |
Family
ID=17802626
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69725750T Expired - Lifetime DE69725750T2 (de) | 1996-11-06 | 1997-11-04 | Pulver für Permanentmagnet, Herstellungsverfahren davon und mit diesem Pulver hergestellter anisotroper Permanentmagnet |
Country Status (6)
Country | Link |
---|---|
US (1) | US6328817B1 (de) |
EP (1) | EP0938105B1 (de) |
JP (1) | JP3647995B2 (de) |
AT (1) | ATE252764T1 (de) |
DE (1) | DE69725750T2 (de) |
WO (1) | WO1998020507A1 (de) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6710693B2 (en) * | 2001-03-23 | 2004-03-23 | Nec Tokin Corporation | Inductor component containing permanent magnet for magnetic bias and method of manufacturing the same |
JP2002359126A (ja) * | 2001-05-30 | 2002-12-13 | Nec Tokin Corp | インダクタンス部品 |
DE10155898A1 (de) * | 2001-11-14 | 2003-05-28 | Vacuumschmelze Gmbh & Co Kg | Induktives Bauelement und Verfahren zu seiner Herstellung |
WO2006004998A2 (en) * | 2004-06-30 | 2006-01-12 | University Of Dayton | Anisotropic nanocomposite rare earth permanent magnets and method of making |
JP4834869B2 (ja) * | 2007-04-06 | 2011-12-14 | Necトーキン株式会社 | 永久磁石材料とそれを用いた永久磁石およびその製造方法 |
US8339227B2 (en) * | 2007-12-12 | 2012-12-25 | Panasonic Corporation | Inductance part and method for manufacturing the same |
DE102012204083A1 (de) * | 2012-03-15 | 2013-09-19 | Siemens Aktiengesellschaft | Nanopartikel, Permanentmagnet, Motor und Generator |
US9607760B2 (en) | 2012-12-07 | 2017-03-28 | Samsung Electronics Co., Ltd. | Apparatus for rapidly solidifying liquid in magnetic field and anisotropic rare earth permanent magnet |
WO2022024920A1 (ja) * | 2020-07-28 | 2022-02-03 | 国立研究開発法人産業技術総合研究所 | 異方性磁石微粒子およびその製造方法 |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4165232A (en) * | 1978-09-15 | 1979-08-21 | Basf Aktiengesellschaft | Manufacture of ferromagnetic metal particles essentially consisting of iron |
US5466308A (en) * | 1982-08-21 | 1995-11-14 | Sumitomo Special Metals Co. Ltd. | Magnetic precursor materials for making permanent magnets |
US5183515A (en) * | 1989-11-07 | 1993-02-02 | Unitika Ltd. | Fibrous anisotropic permanent magnet and production process thereof |
JP3109637B2 (ja) * | 1993-12-10 | 2000-11-20 | 日亜化学工業株式会社 | 異方性針状磁性粉末およびそれを用いたボンド磁石 |
JPH07272913A (ja) * | 1994-03-30 | 1995-10-20 | Kawasaki Teitoku Kk | 永久磁石原料、その製造法及び永久磁石 |
JPH08203715A (ja) * | 1995-01-30 | 1996-08-09 | Takahashi Yoshiaki | 永久磁石原料及びその製造法 |
US5840375A (en) * | 1995-06-22 | 1998-11-24 | Shin-Etsu Chemical Co., Ltd. | Method for the preparation of a highly corrosion resistant rare earth based permanent magnet |
-
1996
- 1996-11-06 JP JP29404996A patent/JP3647995B2/ja not_active Expired - Fee Related
-
1997
- 1997-11-04 AT AT97909739T patent/ATE252764T1/de not_active IP Right Cessation
- 1997-11-04 DE DE69725750T patent/DE69725750T2/de not_active Expired - Lifetime
- 1997-11-04 US US09/284,446 patent/US6328817B1/en not_active Expired - Fee Related
- 1997-11-04 EP EP97909739A patent/EP0938105B1/de not_active Expired - Lifetime
- 1997-11-04 WO PCT/JP1997/004012 patent/WO1998020507A1/ja active IP Right Grant
Also Published As
Publication number | Publication date |
---|---|
JP3647995B2 (ja) | 2005-05-18 |
US6328817B1 (en) | 2001-12-11 |
EP0938105A1 (de) | 1999-08-25 |
DE69725750T2 (de) | 2004-08-19 |
WO1998020507A1 (fr) | 1998-05-14 |
EP0938105B1 (de) | 2003-10-22 |
EP0938105A4 (de) | 1999-09-15 |
ATE252764T1 (de) | 2003-11-15 |
JPH10144509A (ja) | 1998-05-29 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition |