GB600303A - Alloy - Google Patents
AlloyInfo
- Publication number
- GB600303A GB600303A GB1089843A GB1089843A GB600303A GB 600303 A GB600303 A GB 600303A GB 1089843 A GB1089843 A GB 1089843A GB 1089843 A GB1089843 A GB 1089843A GB 600303 A GB600303 A GB 600303A
- Authority
- GB
- United Kingdom
- Prior art keywords
- mercury
- per cent
- copper
- alloy
- aluminium
- 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
- C22C9/00—Alloys based on copper
- C22C9/01—Alloys based on copper with aluminium as the next major constituent
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Manufacture Of Alloys Or Alloy Compounds (AREA)
Abstract
A fine grain beryllium-copper base alloy capable of being cast and of being work-hardened on the surface in use and having a tensile strength comparable to that of steel, consists of: Cu 60-93 per cent, Be .10-11 per cent, Ni .55-7 per cent, Al 1-20 per cent, As .10-2 per cent. The alloy may contain Hg not exceeding .15 per cent and the As may be omitted when Hg is present. In making the alloy, pure copper is placed in the bottom of the melting pot, arsenic, if to be present, is placed on the copper, then copper-nickel shot, then more copper. Graphite is generally added, and heat is applied, slowly at first, to melt the mixture. Preheated beryllium-copper concentrate is then slowly added, the mixture being agitated when molten. The temperature is then allowed to drop to about 50 degrees C. over the freezing point of the melt. If no mercury is to be included, the aluminium is then added. If mercury is to be included, it is added in the form of an aluminium-mercury alloy formed by placing aluminium foil in contact with mercury for at least 24 hours. Before the aluminium-mercury alloy is melted, the temperature is preferably increased and held for a period to allow the mercury to act as a deoxidant, and to allow the escape of gases from the melt.
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB600303A true GB600303A (en) | 1948-04-06 |
Family
ID=1703649
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB1089843A Expired GB600303A (en) | 1943-07-05 | Alloy |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB600303A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0707084A4 (en) * | 1994-01-06 | 1996-01-29 | Ngk Insulators Ltd | Beryllium copper alloy having high strength, machinability and heat resistance and production method thereof |
-
1943
- 1943-07-05 GB GB1089843A patent/GB600303A/en not_active Expired
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0707084A4 (en) * | 1994-01-06 | 1996-01-29 | Ngk Insulators Ltd | Beryllium copper alloy having high strength, machinability and heat resistance and production method thereof |
| US5824167A (en) * | 1994-01-06 | 1998-10-20 | Ngk Insulators, Ltd. | Beryllium-copper alloy excellent in strength, workability and heat resistance and method for producing the same |
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