DE3682289D1 - PRODUCTION OF SHEETS FROM AN ALUMINUM ALLOY AND ITEMS PRODUCED THEREFOR. - Google Patents
PRODUCTION OF SHEETS FROM AN ALUMINUM ALLOY AND ITEMS PRODUCED THEREFOR.Info
- Publication number
- DE3682289D1 DE3682289D1 DE8686309497T DE3682289T DE3682289D1 DE 3682289 D1 DE3682289 D1 DE 3682289D1 DE 8686309497 T DE8686309497 T DE 8686309497T DE 3682289 T DE3682289 T DE 3682289T DE 3682289 D1 DE3682289 D1 DE 3682289D1
- Authority
- DE
- Germany
- Prior art keywords
- time
- max
- final gauge
- sheets
- production
- 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.)
- Revoked
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22F—CHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS AND NON-FERROUS ALLOYS
- C22F1/00—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working
- C22F1/04—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of aluminium or alloys based thereon
- C22F1/05—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of aluminium or alloys based thereon of alloys of the Al-Si-Mg type, i.e. containing silicon and magnesium in approximately equal proportions
Abstract
(A) Aluminium alloy sheet of predetermined final gauge is produced from an intermediate gauge sheet (requiring 25-71% redn. to achieve final gauge) of a heat treatable Al-Mg-Si alloy, with a content of Mg and available Si lying within a pentagonal area, defined by the coordinates 0.2% Si, 0.4% Mg; 0.26 Si, 0.9% Mg; 0.4% Si, 1.2% Mg; 1.2% Si, 1.2% Mg; and 1.2% Si, 0.4% Mg,on a graph of % Mg against % available Si, by (i) soln. heat treating and quenching; (ii) naturally ageing for at least 1 day; (iii) cold rolling to final gauge; and (iv) artificially ageing, for yield strength increase, at a predetermined temp. beginning at time to and ending at time t1 under conditions such that max. attainable yield strength requires heating until time t2 later than t1 and max. attainable % elongation is achieved at time t1. (v) Heating in step (iv) is continued at least until t, and terminated prior to t2 so that the % elongation value of the product is within 20% of the max.% elongation value.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP86309497A EP0269773B1 (en) | 1986-12-05 | 1986-12-05 | Production of aluminum alloy sheet and articles fabricated therefrom |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE3682289D1 true DE3682289D1 (en) | 1991-12-05 |
Family
ID=8196240
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE8686309497T Revoked DE3682289D1 (en) | 1986-12-05 | 1986-12-05 | PRODUCTION OF SHEETS FROM AN ALUMINUM ALLOY AND ITEMS PRODUCED THEREFOR. |
Country Status (4)
| Country | Link |
|---|---|
| EP (1) | EP0269773B1 (en) |
| AT (1) | ATE69067T1 (en) |
| DE (1) | DE3682289D1 (en) |
| ES (1) | ES2026135T3 (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7191032B2 (en) | 2004-05-14 | 2007-03-13 | Novelis Inc. | Methods of and apparatus for forming hollow metal articles |
| US20130319585A1 (en) | 2012-05-31 | 2013-12-05 | Rio Tinto Alcan International Limited | Aluminum Alloy Combining High Strength, Elongation and Extrudability |
| US11905583B2 (en) * | 2021-06-09 | 2024-02-20 | Applied Materials, Inc. | Gas quench for diffusion bonding |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB856182A (en) * | 1958-05-17 | 1960-12-14 | Aluminium Walzwerke Singen | Improvements relating to the production of lacquered sheets |
| CH624147A5 (en) * | 1976-12-24 | 1981-07-15 | Alusuisse | |
| DE2810958A1 (en) * | 1977-12-30 | 1979-07-05 | Alusuisse | Age hardening of aluminium alloys - using isothermal treatment step after soln. treatment to improve nucleation site distribution |
| DE2929724C2 (en) * | 1978-08-04 | 1985-12-05 | Coors Container Co., Golden, Col. | Method of making an aluminum alloy ribbon for cans and lids |
| JPS58224141A (en) * | 1982-06-21 | 1983-12-26 | Sumitomo Light Metal Ind Ltd | Cold roller aluminum alloy plate for forming and its manufacture |
| US4637842A (en) * | 1984-03-13 | 1987-01-20 | Alcan International Limited | Production of aluminum alloy sheet and articles fabricated therefrom |
-
1986
- 1986-12-05 EP EP86309497A patent/EP0269773B1/en not_active Revoked
- 1986-12-05 DE DE8686309497T patent/DE3682289D1/en not_active Revoked
- 1986-12-05 AT AT86309497T patent/ATE69067T1/en not_active IP Right Cessation
- 1986-12-05 ES ES198686309497T patent/ES2026135T3/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| EP0269773A1 (en) | 1988-06-08 |
| ATE69067T1 (en) | 1991-11-15 |
| EP0269773B1 (en) | 1991-10-30 |
| ES2026135T3 (en) | 1992-04-16 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 8363 | Opposition against the patent | ||
| 8331 | Complete revocation |