GB766791A - Improvements in or relating to the manufacture of permanent magnets - Google Patents
Improvements in or relating to the manufacture of permanent magnetsInfo
- Publication number
- GB766791A GB766791A GB1052753A GB1052753A GB766791A GB 766791 A GB766791 A GB 766791A GB 1052753 A GB1052753 A GB 1052753A GB 1052753 A GB1052753 A GB 1052753A GB 766791 A GB766791 A GB 766791A
- Authority
- GB
- United Kingdom
- Prior art keywords
- per cent
- permanent magnets
- relating
- manufacture
- casting
- 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
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/10—Ferrous alloys, e.g. steel alloys containing cobalt
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Manufacturing Cores, Coils, And Magnets (AREA)
- Hard Magnetic Materials (AREA)
Abstract
Permanent magnets are made from an alloy consisting of: Al 6-11 per cent; Ni 10-30 per cent; Co 12-30 per cent; Cn 0.5-8 per cent; other optional additions (e.g. Nb 0.5-3.25 per cent) and impurities up to 5 per cent in total; Fe the remainder, by casting the alloy with an addition of 0.16-0.81 per cent Ce and/or La, hot working the casting into a bar having the required magnet cross-section and dividing the bar into the required magnet lengths. Mischmetal may be used to make the Ce/La addition and a preferred mischmetal composition has a Ce/La ratio of about 2. The hot working step may be performed by first forging and then rolling. Specifications 451,601, 459,848, 660,592 and 708,820 are referred to.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB1052753A GB766791A (en) | 1953-04-17 | 1953-04-17 | Improvements in or relating to the manufacture of permanent magnets |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB1052753A GB766791A (en) | 1953-04-17 | 1953-04-17 | Improvements in or relating to the manufacture of permanent magnets |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB766791A true GB766791A (en) | 1957-01-23 |
Family
ID=9969462
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB1052753A Expired GB766791A (en) | 1953-04-17 | 1953-04-17 | Improvements in or relating to the manufacture of permanent magnets |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB766791A (en) |
-
1953
- 1953-04-17 GB GB1052753A patent/GB766791A/en not_active Expired
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