DE3380612D1 - Isotropic permanent magnets and process for producing same - Google Patents
Isotropic permanent magnets and process for producing sameInfo
- Publication number
- DE3380612D1 DE3380612D1 DE8383113252T DE3380612T DE3380612D1 DE 3380612 D1 DE3380612 D1 DE 3380612D1 DE 8383113252 T DE8383113252 T DE 8383113252T DE 3380612 T DE3380612 T DE 3380612T DE 3380612 D1 DE3380612 D1 DE 3380612D1
- Authority
- DE
- Germany
- Prior art keywords
- permanent magnets
- producing same
- isotropic permanent
- isotropic
- producing
- 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
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
- 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 |
---|---|---|---|
JP58079096A JPS59204209A (en) | 1983-05-06 | 1983-05-06 | Isotropic permanent magnet and manufacture thereof |
JP58079098A JPS59204211A (en) | 1983-05-06 | 1983-05-06 | Isotropic permanent magnet and manufacture thereof |
Publications (1)
Publication Number | Publication Date |
---|---|
DE3380612D1 true DE3380612D1 (en) | 1989-10-26 |
Family
ID=26420168
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE8383113252T Expired DE3380612D1 (en) | 1983-05-06 | 1983-12-30 | Isotropic permanent magnets and process for producing same |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP0124655B1 (en) |
CA (1) | CA1277159C (en) |
DE (1) | DE3380612D1 (en) |
HK (1) | HK68390A (en) |
SG (1) | SG49090G (en) |
Families Citing this family (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CA1271394A (en) * | 1985-02-25 | 1990-07-10 | Karen S. Canavan | Enhanced remanence permanent magnetic alloy and bodies thereof and method of preparing same |
US4954186A (en) * | 1986-05-30 | 1990-09-04 | Union Oil Company Of California | Rear earth-iron-boron permanent magnets containing aluminum |
US4778542A (en) * | 1986-07-15 | 1988-10-18 | General Motors Corporation | High energy ball milling method for making rare earth-transition metal-boron permanent magnets |
US4829277A (en) * | 1986-11-20 | 1989-05-09 | General Motors Corporation | Isotropic rare earth-iron field magnets for magnetic resonance imaging |
US4849035A (en) * | 1987-08-11 | 1989-07-18 | Crucible Materials Corporation | Rare earth, iron carbon permanent magnet alloys and method for producing the same |
DE4027598C2 (en) * | 1990-06-30 | 1997-09-11 | Vacuumschmelze Gmbh | Permanent magnet of type SE-Fe-B and process for its production |
DE4135403C2 (en) * | 1991-10-26 | 1994-06-16 | Vacuumschmelze Gmbh | SE-Fe-B permanent magnet and process for its manufacture |
DE19636284C2 (en) * | 1996-09-06 | 1998-07-16 | Vacuumschmelze Gmbh | SE-Fe-B permanent magnet and process for its manufacture |
DE19636285C2 (en) * | 1996-09-06 | 1998-07-16 | Vakuumschmelze Gmbh | Process for producing an SE-Fe-B permanent magnet |
DE19636283A1 (en) * | 1996-09-06 | 1998-03-12 | Vacuumschmelze Gmbh | Process for manufacturing a SE-FE-B permanent magnet |
DE19945943B4 (en) * | 1999-09-24 | 2005-06-02 | Vacuumschmelze Gmbh | Borarme Nd-Fe-B alloy and process for its preparation |
DE19945942C2 (en) * | 1999-09-24 | 2003-07-17 | Vacuumschmelze Gmbh | Process for the production of permanent magnets from a low-boron Nd-Fe-B alloy |
DE19962232B4 (en) * | 1999-12-22 | 2006-05-04 | Vacuumschmelze Gmbh | Method for producing rod-shaped permanent magnets |
US6966953B2 (en) * | 2002-04-29 | 2005-11-22 | University Of Dayton | Modified sintered RE-Fe-B-type, rare earth permanent magnets with improved toughness |
US6994755B2 (en) * | 2002-04-29 | 2006-02-07 | University Of Dayton | Method of improving toughness of sintered RE-Fe-B-type, rare earth permanent magnets |
EP1712652A4 (en) | 2004-06-22 | 2010-10-13 | Shinetsu Chemical Co | R-fe-b-based rare earth permanent magnet material |
GB0525766D0 (en) * | 2005-12-19 | 2006-01-25 | Dymo Nv | Magnetic tape |
CN110957092B (en) * | 2019-12-19 | 2021-06-11 | 厦门钨业股份有限公司 | R-T-B series magnet material, raw material composition, preparation method and application |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CA1316375C (en) * | 1982-08-21 | 1993-04-20 | Masato Sagawa | Magnetic materials and permanent magnets |
US4597938A (en) * | 1983-05-21 | 1986-07-01 | Sumitomo Special Metals Co., Ltd. | Process for producing permanent magnet materials |
-
1983
- 1983-12-30 CA CA000444488A patent/CA1277159C/en not_active Expired - Lifetime
- 1983-12-30 EP EP19830113252 patent/EP0124655B1/en not_active Expired
- 1983-12-30 DE DE8383113252T patent/DE3380612D1/en not_active Expired
-
1990
- 1990-07-04 SG SG49090A patent/SG49090G/en unknown
- 1990-08-30 HK HK68390A patent/HK68390A/en not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
EP0124655A3 (en) | 1986-09-10 |
HK68390A (en) | 1990-09-07 |
EP0124655A2 (en) | 1984-11-14 |
SG49090G (en) | 1990-08-17 |
EP0124655B1 (en) | 1989-09-20 |
CA1277159C (en) | 1990-12-04 |
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