DE68919166D1 - Hochorientierter Dauermagnet und Verfahren zu seiner Herstellung. - Google Patents
Hochorientierter Dauermagnet und Verfahren zu seiner Herstellung.Info
- Publication number
- DE68919166D1 DE68919166D1 DE68919166T DE68919166T DE68919166D1 DE 68919166 D1 DE68919166 D1 DE 68919166D1 DE 68919166 T DE68919166 T DE 68919166T DE 68919166 T DE68919166 T DE 68919166T DE 68919166 D1 DE68919166 D1 DE 68919166D1
- Authority
- DE
- Germany
- Prior art keywords
- production
- permanent magnet
- highly oriented
- oriented permanent
- highly
- 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
- H01F41/00—Apparatus 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
- H01F41/02—Apparatus 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
- H01F41/0253—Apparatus 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 for manufacturing permanent magnets
- H01F41/0273—Imparting anisotropy
-
- 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
- H01F1/0555—Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5 pressed, sintered or bonded together
- H01F1/0556—Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5 pressed, sintered or bonded together pressed
-
- 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
- H01F1/057—Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5 and IIIa elements, e.g. Nd2Fe14B
- H01F1/0571—Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5 and IIIa elements, e.g. Nd2Fe14B in the form of particles, e.g. rapid quenched powders or ribbon flakes
- H01F1/0575—Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5 and IIIa elements, e.g. Nd2Fe14B in the form of particles, e.g. rapid quenched powders or ribbon flakes pressed, sintered or bonded together
- H01F1/0576—Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5 and IIIa elements, e.g. Nd2Fe14B in the form of particles, e.g. rapid quenched powders or ribbon flakes pressed, sintered or bonded together pressed, e.g. hot working
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Manufacturing & Machinery (AREA)
- Manufacturing Cores, Coils, And Magnets (AREA)
- Powder Metallurgy (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP20584988 | 1988-08-19 |
Publications (2)
Publication Number | Publication Date |
---|---|
DE68919166D1 true DE68919166D1 (de) | 1994-12-08 |
DE68919166T2 DE68919166T2 (de) | 1995-03-09 |
Family
ID=16513728
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE68919166T Expired - Fee Related DE68919166T2 (de) | 1988-08-19 | 1989-08-18 | Hochorientierter Dauermagnet und Verfahren zu seiner Herstellung. |
Country Status (3)
Country | Link |
---|---|
US (1) | US5080731A (de) |
EP (1) | EP0355741B1 (de) |
DE (1) | DE68919166T2 (de) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
ATE138222T1 (de) * | 1990-11-30 | 1996-06-15 | Intermetallics Co Ltd | Verfahren und apparat zur dauermagnet-herstellung durch formieren eines grünen und gesinterten kompakts |
JP3008615B2 (ja) * | 1991-11-15 | 2000-02-14 | 大同特殊鋼株式会社 | ラジアル異方性リング磁石及びその製造方法 |
FR2686730B1 (fr) * | 1992-01-23 | 1994-11-04 | Aimants Ugimag Sa | Methode de reglage de l'induction remanente d'un aimant fritte et produit ainsi obtenu. |
ES2096814T3 (es) * | 1992-08-10 | 1997-03-16 | Intermetallics Co Ltd | Metodo para formar un revestimiento. |
DE19628722A1 (de) * | 1996-07-17 | 1998-01-22 | Esselte Meto Int Gmbh | Vorrichtung zum Deaktivieren eines Sicherungselementes für die elektronische Artikelsicherung |
JP3479633B2 (ja) * | 2000-07-21 | 2003-12-15 | 日本特殊陶業株式会社 | セラミックボール、ボールベアリング、ベアリング付きモータ、ハードディスク装置、ポリゴンスキャナ及びセラミックボールの製造方法 |
US7905965B2 (en) * | 2006-11-28 | 2011-03-15 | General Electric Company | Method for making soft magnetic material having fine grain structure |
WO2015150315A1 (en) * | 2014-03-31 | 2015-10-08 | Asml Netherlands B.V. | An undulator |
CN103990805B (zh) * | 2014-05-11 | 2016-06-22 | 沈阳中北通磁科技股份有限公司 | 一种钕铁硼稀土永磁合金的制粉方法和设备 |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2999271A (en) * | 1960-08-30 | 1961-09-12 | Gen Electric | Magnetic material |
GB1373019A (en) * | 1972-07-28 | 1974-11-06 | Johnson R E | Cobalt-based sintered permanent magnets |
CA1176814A (en) * | 1981-05-11 | 1984-10-30 | Kalatur S. V. L. Narasimhan | Method of improving magnets |
JPS58153306A (ja) * | 1982-03-08 | 1983-09-12 | Seiko Instr & Electronics Ltd | 希土類磁石の製造方法 |
JPH063780B2 (ja) * | 1985-06-13 | 1994-01-12 | 日立金属株式会社 | 異方性磁石の製造方法 |
JPS6217149A (ja) * | 1985-07-16 | 1987-01-26 | Sumitomo Special Metals Co Ltd | 高性能焼結永久磁石材料の製造方法 |
US4679022A (en) * | 1985-12-27 | 1987-07-07 | Sumitomo Special Metal Co. Ltd. | Magnetic field generating device for NMR-CT |
US4654618A (en) * | 1986-05-01 | 1987-03-31 | The United States Of America As Represented By The Secretary Of The Army | Confinement of kOe magnetic fields to very small areas in miniature devices |
US4731598A (en) * | 1987-08-24 | 1988-03-15 | The United States Of America As Represented By The Secretary Of The Army | Periodic permanent magnet structure with increased useful field |
-
1989
- 1989-08-15 US US07/393,736 patent/US5080731A/en not_active Expired - Lifetime
- 1989-08-18 EP EP89115275A patent/EP0355741B1/de not_active Expired - Lifetime
- 1989-08-18 DE DE68919166T patent/DE68919166T2/de not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
US5080731A (en) | 1992-01-14 |
EP0355741A3 (de) | 1991-05-22 |
DE68919166T2 (de) | 1995-03-09 |
EP0355741A2 (de) | 1990-02-28 |
EP0355741B1 (de) | 1994-11-02 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |