GB544560A - Improvements relating to the preparation for casting of non-ferrous metals and alloys - Google Patents
Improvements relating to the preparation for casting of non-ferrous metals and alloysInfo
- Publication number
- GB544560A GB544560A GB1694740A GB1694740A GB544560A GB 544560 A GB544560 A GB 544560A GB 1694740 A GB1694740 A GB 1694740A GB 1694740 A GB1694740 A GB 1694740A GB 544560 A GB544560 A GB 544560A
- Authority
- GB
- United Kingdom
- Prior art keywords
- per cent
- gas
- alloys
- ferrous metals
- copper
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D21/00—Casting non-ferrous metals or metallic compounds so far as their metallurgical properties are of importance for the casting procedure; Selection of compositions therefor
- B22D21/02—Casting exceedingly oxidisable non-ferrous metals, e.g. in inert atmosphere
- B22D21/025—Casting heavy metals with high melting point, i.e. 1000 - 1600 degrees C, e.g. Co 1490 degrees C, Ni 1450 degrees C, Mn 1240 degrees C, Cu 1083 degrees C
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Manufacture And Refinement Of Metals (AREA)
Abstract
544,560. Treating metals and alloys. BRITISH NON-FERROUS METALS RESEARCH ASSOCIATION, and BAKER, W. A. Nov. 26, 1940, No. 16947. [Class 82 (i)] Non-ferrous metals and alloys are prepared for casting by bringing the molten metal into equilibrium with an atmosphere consisting of an inert or insoluble gas such as nitrogen or dry air containing a 'small amount, which may be 0.05-10 per cent. of a soluble gas such as hydrogen or water vapour or other gas which forms a soluble gas by reaction. In some cases the melt may first be saturated with the required gas. The gas may be introduced into the molten metal through a pipe dipping below the surface of the metal, the pipe passing through a bell or container of refractory material also dipping into the metal. The treatment of the following alloys is referred to: (a) 90 per cent. of copper and 10 per cent. of zinc; (b) 89.8 per cent. of copper, 10 per cent. of tin, and 0.2 per cent. of phosphorus; (c) 87.5 per cent. of copper, 9.5 per cent. of tin, and 3 per cent. of zinc.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB1694740A GB544560A (en) | 1940-11-26 | 1940-11-26 | Improvements relating to the preparation for casting of non-ferrous metals and alloys |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB1694740A GB544560A (en) | 1940-11-26 | 1940-11-26 | Improvements relating to the preparation for casting of non-ferrous metals and alloys |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB544560A true GB544560A (en) | 1942-04-17 |
Family
ID=10086527
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB1694740A Expired GB544560A (en) | 1940-11-26 | 1940-11-26 | Improvements relating to the preparation for casting of non-ferrous metals and alloys |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB544560A (en) |
-
1940
- 1940-11-26 GB GB1694740A patent/GB544560A/en not_active Expired
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