GB587320A - Improvements in or relating to powdered metals - Google Patents
Improvements in or relating to powdered metalsInfo
- Publication number
- GB587320A GB587320A GB1885044A GB1885044A GB587320A GB 587320 A GB587320 A GB 587320A GB 1885044 A GB1885044 A GB 1885044A GB 1885044 A GB1885044 A GB 1885044A GB 587320 A GB587320 A GB 587320A
- Authority
- GB
- United Kingdom
- Prior art keywords
- per cent
- manganese
- mixture
- graphite
- nickel
- 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
- C22C33/00—Making ferrous alloys
- C22C33/02—Making ferrous alloys by powder metallurgy
- C22C33/0257—Making ferrous alloys by powder metallurgy characterised by the range of the alloying elements
Abstract
Articles of manufacture are produced by sintering together under pressure a powder mixture comprising 2-8 per cent. nickel, 0.2-1.4 per cent. manganese, 0.08-1.0 per cent. graphite, the remainder being soft iron. The nickel, manganese and graphite should be sufficiently fine to pass completely through a 300 mesh sieve. The manganese may be introduced into the mixture in the form of manganese carbonate. Sintering may be carried out by subjecting the mixture to a pressure of at least 35 tons per square inch at a temperature of substantially 1,300 DEG C. for at least one hour. This operation may be carried out in a reducing atmosphere, for example, one consisting of 75 per cent. hydrogen and 25 per cent. nitrogen.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB1885044A GB587320A (en) | 1944-10-03 | 1944-10-03 | Improvements in or relating to powdered metals |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB1885044A GB587320A (en) | 1944-10-03 | 1944-10-03 | Improvements in or relating to powdered metals |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB587320A true GB587320A (en) | 1947-04-22 |
Family
ID=10119466
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB1885044A Expired GB587320A (en) | 1944-10-03 | 1944-10-03 | Improvements in or relating to powdered metals |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB587320A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1207634B (en) * | 1961-11-30 | 1965-12-23 | Birmingham Small Arms Co Ltd | Powder mixture for the production of steel objects according to known powder metallurgical processes |
| DE1213625B (en) * | 1959-01-31 | 1966-03-31 | Birmingham Small Arms Co Ltd | Metal powder mixture for the powder metallurgical production of steel objects |
-
1944
- 1944-10-03 GB GB1885044A patent/GB587320A/en not_active Expired
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1213625B (en) * | 1959-01-31 | 1966-03-31 | Birmingham Small Arms Co Ltd | Metal powder mixture for the powder metallurgical production of steel objects |
| DE1207634B (en) * | 1961-11-30 | 1965-12-23 | Birmingham Small Arms Co Ltd | Powder mixture for the production of steel objects according to known powder metallurgical processes |
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