GB1447224A - Aluminium alloys - Google Patents
Aluminium alloysInfo
- Publication number
- GB1447224A GB1447224A GB3939872A GB3939872A GB1447224A GB 1447224 A GB1447224 A GB 1447224A GB 3939872 A GB3939872 A GB 3939872A GB 3939872 A GB3939872 A GB 3939872A GB 1447224 A GB1447224 A GB 1447224A
- Authority
- GB
- United Kingdom
- Prior art keywords
- aluminium
- chamber
- alloy
- chromium
- evaporation
- 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
- C22C21/00—Alloys based on aluminium
Abstract
1447224 Evaporation - condensation Al alloy DEFENCE SECRETARY OF STATE FOR 22 Nov 1973 [24 Aug 1972] 39398/72 Headings C7A C7D and C7F Aluminium alloy of composition:- Cr 2-12% Fe 0À2-3% Balance aluminium, impurities and incidental elements produced by evaporation and condensation wherein most of the chromium is present as a metastable solution in the aluminium lattice which contains a precipitate phase of iron rich zones the major proportions of which have dimensions of 200A‹ or less, the presence of large intermetallic particles particularly at grain boundaries being at a minimum. The alloy may be produced by electron beam evaporation of an iron, chromium, aluminium containing charge using the apparatus shown in Figs. 1 and 2 in which a change comprising Fe, Cr and Al is placed in mixing chamber 22, evaporating chamber 27 and optionally melting chamber 20 and an ingot comprising chromium and aluminium is melted in melting chamber 20, mixed in chamber 22 and evaporated in chamber 27 and deposited on the collector which is held at 260 to 370‹C. The deposited alloy may additionally contain a total of up to 0À5% of one or more of Ni, Co, Si, Cu, Zn, Au, Ag, Oz, Mg, Cd, Zn, Mn, Ti, Mo, C and Be and may consist of narrow elongated grains of diameter 5 pu m which may be transformed to flat extended plate like grams of thickness 5 pu m or less by hot pressing or rolling (e.g. at 20‹C to 260‹C).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB3939872A GB1447224A (en) | 1972-08-24 | 1972-08-24 | Aluminium alloys |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB3939872A GB1447224A (en) | 1972-08-24 | 1972-08-24 | Aluminium alloys |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1447224A true GB1447224A (en) | 1976-08-25 |
Family
ID=10409330
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB3939872A Expired GB1447224A (en) | 1972-08-24 | 1972-08-24 | Aluminium alloys |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB1447224A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2139648A (en) * | 1983-05-13 | 1984-11-14 | Wedtech Corp | Method of and apparatus for the coating of a substrate with material electrically transformed into a vapour phase |
| US4537794A (en) * | 1981-02-24 | 1985-08-27 | Wedtech Corp. | Method of coating ceramics |
| US4596719A (en) * | 1981-02-24 | 1986-06-24 | Wedtech Corp. | Multilayer coating method and apparatus |
| WO1992014852A1 (en) * | 1991-02-25 | 1992-09-03 | The Secretary Of State For Defence In Her Britannic Majesty's Government Of The United Kingdom Of Great Britain And Northern Ireland | Titanium-based alloy produced by vapour quenching |
-
1972
- 1972-08-24 GB GB3939872A patent/GB1447224A/en not_active Expired
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4537794A (en) * | 1981-02-24 | 1985-08-27 | Wedtech Corp. | Method of coating ceramics |
| US4596719A (en) * | 1981-02-24 | 1986-06-24 | Wedtech Corp. | Multilayer coating method and apparatus |
| US4609564A (en) * | 1981-02-24 | 1986-09-02 | Wedtech Corp. | Method of and apparatus for the coating of a substrate with material electrically transformed into a vapor phase |
| GB2139648A (en) * | 1983-05-13 | 1984-11-14 | Wedtech Corp | Method of and apparatus for the coating of a substrate with material electrically transformed into a vapour phase |
| US4505948A (en) * | 1983-05-13 | 1985-03-19 | Wedtech Corp. | Method of coating ceramics and quartz crucibles with material electrically transformed into a vapor phase |
| WO1992014852A1 (en) * | 1991-02-25 | 1992-09-03 | The Secretary Of State For Defence In Her Britannic Majesty's Government Of The United Kingdom Of Great Britain And Northern Ireland | Titanium-based alloy produced by vapour quenching |
| US5421917A (en) * | 1991-02-25 | 1995-06-06 | The Secretary Of State For Defence In Her Britannic Majesty's Government Of The United Kingdom Of Great Britain And Northern Ireland | Titanium-based alloy produced by vapor quenching |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed | ||
| PCNP | Patent ceased through non-payment of renewal fee |