GB2206241B - Method of making a permanent magnet - Google Patents
Method of making a permanent magnetInfo
- Publication number
- GB2206241B GB2206241B GB8714269A GB8714269A GB2206241B GB 2206241 B GB2206241 B GB 2206241B GB 8714269 A GB8714269 A GB 8714269A GB 8714269 A GB8714269 A GB 8714269A GB 2206241 B GB2206241 B GB 2206241B
- Authority
- GB
- United Kingdom
- Prior art keywords
- making
- 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
- 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
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Hard Magnetic Materials (AREA)
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB8714269A GB2206241B (en) | 1987-06-18 | 1987-06-18 | Method of making a permanent magnet |
SG1692A SG1692G (en) | 1986-04-30 | 1992-01-08 | Method of making a permanent magnet |
HK98693A HK98693A (en) | 1987-06-18 | 1993-09-23 | Method of making a permanent magnet |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB8714269A GB2206241B (en) | 1987-06-18 | 1987-06-18 | Method of making a permanent magnet |
Publications (3)
Publication Number | Publication Date |
---|---|
GB8714269D0 GB8714269D0 (en) | 1987-07-22 |
GB2206241A GB2206241A (en) | 1988-12-29 |
GB2206241B true GB2206241B (en) | 1990-08-15 |
Family
ID=10619129
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB8714269A Expired - Lifetime GB2206241B (en) | 1986-04-30 | 1987-06-18 | Method of making a permanent magnet |
Country Status (2)
Country | Link |
---|---|
GB (1) | GB2206241B (en) |
HK (1) | HK98693A (en) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5538565A (en) * | 1985-08-13 | 1996-07-23 | Seiko Epson Corporation | Rare earth cast alloy permanent magnets and methods of preparation |
US6136099A (en) * | 1985-08-13 | 2000-10-24 | Seiko Epson Corporation | Rare earth-iron series permanent magnets and method of preparation |
IE891581A1 (en) * | 1988-06-20 | 1991-01-02 | Seiko Epson Corp | Permanent magnet and a manufacturing method thereof |
JP3033127B2 (en) * | 1990-05-16 | 2000-04-17 | 大同特殊鋼株式会社 | Rare earth magnet alloy with good hot workability |
JP3084748B2 (en) * | 1991-04-25 | 2000-09-04 | セイコーエプソン株式会社 | Manufacturing method of rare earth permanent magnet |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0092423A2 (en) * | 1982-04-19 | 1983-10-26 | Matsushita Electric Industrial Co., Ltd. | Method for making permanent magnets of Mn-Al-C alloys |
EP0092422A2 (en) * | 1982-04-19 | 1983-10-26 | Matsushita Electric Industrial Co., Ltd. | Permanent Mn-Al-C alloy magnets and method for making same |
US4475961A (en) * | 1980-01-30 | 1984-10-09 | At&T Bell Laboratories | High remanence iron-manganese alloys for magnetically actuated devices |
-
1987
- 1987-06-18 GB GB8714269A patent/GB2206241B/en not_active Expired - Lifetime
-
1993
- 1993-09-23 HK HK98693A patent/HK98693A/en not_active IP Right Cessation
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4475961A (en) * | 1980-01-30 | 1984-10-09 | At&T Bell Laboratories | High remanence iron-manganese alloys for magnetically actuated devices |
EP0092423A2 (en) * | 1982-04-19 | 1983-10-26 | Matsushita Electric Industrial Co., Ltd. | Method for making permanent magnets of Mn-Al-C alloys |
EP0092422A2 (en) * | 1982-04-19 | 1983-10-26 | Matsushita Electric Industrial Co., Ltd. | Permanent Mn-Al-C alloy magnets and method for making same |
Non-Patent Citations (1)
Title |
---|
WO A 80/01857 * |
Also Published As
Publication number | Publication date |
---|---|
GB2206241A (en) | 1988-12-29 |
GB8714269D0 (en) | 1987-07-22 |
HK98693A (en) | 1993-09-30 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PE20 | Patent expired after termination of 20 years |
Effective date: 20070617 |