GB832790A - Method of producing from aluminium alloys work-pieces shaped by non-cutting processes and having high resistance to stress corrosion - Google Patents
Method of producing from aluminium alloys work-pieces shaped by non-cutting processes and having high resistance to stress corrosionInfo
- Publication number
- GB832790A GB832790A GB30314/56A GB3031456A GB832790A GB 832790 A GB832790 A GB 832790A GB 30314/56 A GB30314/56 A GB 30314/56A GB 3031456 A GB3031456 A GB 3031456A GB 832790 A GB832790 A GB 832790A
- Authority
- GB
- United Kingdom
- Prior art keywords
- annealing
- producing
- aluminium alloys
- billets
- high resistance
- 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
- C22C21/10—Alloys based on aluminium with zinc as the next major constituent
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Forging (AREA)
Abstract
A method of producing plastically deformed workpieces from aluminium alloys containing 4-12% Zn, 1-6% Mg, and one or more of 0.05-0.6% Cr, 0.5-0.15% V and 0.10 to 1.50% Mn, and optionally up to 2.0% Cu, the balance being Al, comprises annealing the billets at such temperatures that Mg and Zn are evenly distributed throughout the crystallites but there is no separation of Cr, V, or Mn in the form of intermetallic compounds, plastically deforming the billets and performing any other heat treatment under such conditions that the structure obtained by the annealing of the billets is maintained. The annealing which may be at 450-460 DEG C may be for three or four days and the heating for plastic deformation should be rapid, e.g. by induction heating, and not exceed the annealing temperature by more than 20 DEG C. The solution treatment should also be rapid and not exceed the annealing temperature by more than 50 DEG C. Hardening may be carried out at 100 DEG C. The alloy may also contain up to 1% Ag. It is stated that resistance to corrosion is increased by the treatment.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE832790X | 1955-10-12 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB832790A true GB832790A (en) | 1960-04-13 |
Family
ID=6757484
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB30314/56A Expired GB832790A (en) | 1955-10-12 | 1956-10-04 | Method of producing from aluminium alloys work-pieces shaped by non-cutting processes and having high resistance to stress corrosion |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB832790A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101243196B (en) * | 2005-07-21 | 2011-01-12 | 阿勒里斯铝业科布伦茨有限公司 | A wrought aluminum aa7000-series alloy product and method of producing said product |
-
1956
- 1956-10-04 GB GB30314/56A patent/GB832790A/en not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101243196B (en) * | 2005-07-21 | 2011-01-12 | 阿勒里斯铝业科布伦茨有限公司 | A wrought aluminum aa7000-series alloy product and method of producing said product |
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