DE59708681D1 - SE-Fe-B-DAUERMAGNET UND VERFAHREN ZU SEINER HERSTELLUNG - Google Patents
SE-Fe-B-DAUERMAGNET UND VERFAHREN ZU SEINER HERSTELLUNGInfo
- Publication number
- DE59708681D1 DE59708681D1 DE59708681T DE59708681T DE59708681D1 DE 59708681 D1 DE59708681 D1 DE 59708681D1 DE 59708681 T DE59708681 T DE 59708681T DE 59708681 T DE59708681 T DE 59708681T DE 59708681 D1 DE59708681 D1 DE 59708681D1
- Authority
- DE
- Germany
- Prior art keywords
- production
- permanent magnet
- permanent
- magnet
- 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
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
- H01F1/057—Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5 and IIIa elements, e.g. Nd2Fe14B
-
- 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
- H01F1/0577—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 sintered
Landscapes
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Hard Magnetic Materials (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19636284A DE19636284C2 (de) | 1996-09-06 | 1996-09-06 | SE-Fe-B-Dauermagnet und Verfahren zu seiner Herstellung |
PCT/DE1997/001784 WO1998010436A1 (de) | 1996-09-06 | 1997-08-19 | SE-Fe-B-DAUERMAGNET UND VERFAHREN ZU SEINER HERSTELLUNG |
Publications (1)
Publication Number | Publication Date |
---|---|
DE59708681D1 true DE59708681D1 (de) | 2002-12-12 |
Family
ID=7804874
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE19636284A Expired - Fee Related DE19636284C2 (de) | 1996-09-06 | 1996-09-06 | SE-Fe-B-Dauermagnet und Verfahren zu seiner Herstellung |
DE59708681T Expired - Lifetime DE59708681D1 (de) | 1996-09-06 | 1997-08-19 | SE-Fe-B-DAUERMAGNET UND VERFAHREN ZU SEINER HERSTELLUNG |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE19636284A Expired - Fee Related DE19636284C2 (de) | 1996-09-06 | 1996-09-06 | SE-Fe-B-Dauermagnet und Verfahren zu seiner Herstellung |
Country Status (6)
Country | Link |
---|---|
US (1) | US6254659B1 (de) |
EP (1) | EP0923780B1 (de) |
JP (1) | JP3145415B2 (de) |
KR (1) | KR20000068482A (de) |
DE (2) | DE19636284C2 (de) |
WO (1) | WO1998010436A1 (de) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6464934B2 (en) * | 1996-09-06 | 2002-10-15 | Vacuumschmelze Gmbh | Method for manufacturing a rare earth element—iron—boron permanent magnet |
DE10025458B4 (de) * | 2000-05-23 | 2005-05-12 | Vacuumschmelze Gmbh | Magnet und Verfahren zu dessen Herstellung |
CN101958171B (zh) * | 2010-04-14 | 2012-02-15 | 无锡南理工科技发展有限公司 | 一种耐腐蚀烧结钕铁硼磁体的制备方法 |
CN104576022B (zh) * | 2014-12-03 | 2017-06-27 | 中国科学院宁波材料技术与工程研究所 | 稀土永磁体的制备方法 |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0124655B1 (de) * | 1983-05-06 | 1989-09-20 | Sumitomo Special Metals Co., Ltd. | Isotrope permanente Magnete und Verfahren zu ihrer Herstellung |
US5230751A (en) * | 1986-07-23 | 1993-07-27 | Hitachi Metals, Ltd. | Permanent magnet with good thermal stability |
US5447578A (en) * | 1989-10-12 | 1995-09-05 | Kawasaki Steel Corporation | Corrosion-resistant rare earth metal-transition metal series magnets and method of producing the same |
JP2853838B2 (ja) * | 1991-06-04 | 1999-02-03 | 信越化学工業株式会社 | 希土類永久磁石の製造方法 |
US5405455A (en) * | 1991-06-04 | 1995-04-11 | Shin-Etsu Chemical Co. Ltd. | Rare earth-based permanent magnet |
DE69202515T2 (de) * | 1991-06-04 | 1995-09-21 | Shinetsu Chemical Co | Verfahren zur Herstellung von zweiphasigen Dauermagneten auf der Basis von Seltenen Erden. |
DE4135403C2 (de) * | 1991-10-26 | 1994-06-16 | Vacuumschmelze Gmbh | SE-Fe-B-Dauermagnet und Verfahren zu seiner Herstellung |
CN1044940C (zh) * | 1992-08-13 | 1999-09-01 | Ybm麦格奈克斯公司 | 基于钕铁硼的生产永久磁铁的方法 |
EP0583041B1 (de) * | 1992-08-13 | 1997-02-05 | Koninklijke Philips Electronics N.V. | Verfahren zum Herstellen eines Dauermagneten auf Basis von NdFeB |
US5595608A (en) * | 1993-11-02 | 1997-01-21 | Tdk Corporation | Preparation of permanent magnet |
-
1996
- 1996-09-06 DE DE19636284A patent/DE19636284C2/de not_active Expired - Fee Related
-
1997
- 1997-08-19 US US09/242,985 patent/US6254659B1/en not_active Expired - Lifetime
- 1997-08-19 WO PCT/DE1997/001784 patent/WO1998010436A1/de active IP Right Grant
- 1997-08-19 JP JP51210298A patent/JP3145415B2/ja not_active Expired - Fee Related
- 1997-08-19 EP EP97939964A patent/EP0923780B1/de not_active Expired - Lifetime
- 1997-08-19 DE DE59708681T patent/DE59708681D1/de not_active Expired - Lifetime
- 1997-08-19 KR KR1019997001879A patent/KR20000068482A/ko not_active Application Discontinuation
Also Published As
Publication number | Publication date |
---|---|
EP0923780A1 (de) | 1999-06-23 |
JP3145415B2 (ja) | 2001-03-12 |
EP0923780B1 (de) | 2002-11-06 |
US6254659B1 (en) | 2001-07-03 |
DE19636284A1 (de) | 1998-03-12 |
KR20000068482A (ko) | 2000-11-25 |
JP2000503809A (ja) | 2000-03-28 |
WO1998010436A1 (de) | 1998-03-12 |
DE19636284C2 (de) | 1998-07-16 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition |