IL80765A0 - Desensitization to corrosion of a1 alloys containing li - Google Patents
Desensitization to corrosion of a1 alloys containing liInfo
- Publication number
- IL80765A0 IL80765A0 IL80765A IL8076586A IL80765A0 IL 80765 A0 IL80765 A0 IL 80765A0 IL 80765 A IL80765 A IL 80765A IL 8076586 A IL8076586 A IL 8076586A IL 80765 A0 IL80765 A0 IL 80765A0
- Authority
- IL
- Israel
- Prior art keywords
- degrees
- alloys containing
- corrosion
- desensitization
- exp
- Prior art date
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
- C22F1/047—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 with magnesium as the next major constituent
-
- 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
- C22F1/057—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 with copper as the next major constituent
Landscapes
- Chemical & Material Sciences (AREA)
- Mechanical Engineering (AREA)
- Organic Chemistry (AREA)
- Crystallography & Structural Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Physics & Mathematics (AREA)
- Metallurgy (AREA)
- Thermal Sciences (AREA)
- Battery Electrode And Active Subsutance (AREA)
- Secondary Cells (AREA)
- Heat Treatment Of Steel (AREA)
- Chemical Treatment Of Metals (AREA)
- Preventing Corrosion Or Incrustation Of Metals (AREA)
- Analysing Materials By The Use Of Radiation (AREA)
Abstract
1. A process for the heat treatment of Al alloys containing Li to improve their resistance to exfoliation corrosion while retaining a high level of mechanical strength and good resistance to damage characterised in that the final ageing operation is carried out in the following range of temperatures T (in degree C) and times t (in hours) : t >= 24 X 5 exp ((150-T)/30) t =< 80 X 5 exp ((150-T)/30) with : T =< 160 degrees C for Mg >= 2% T =< 160 degrees C-5 (2-% Mg) degrees C for 1 =< Mg =< 2% T =< 155 degrees C for Mg =< 1%.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR8518208 | 1985-11-28 |
Publications (1)
Publication Number | Publication Date |
---|---|
IL80765A0 true IL80765A0 (en) | 1987-02-27 |
Family
ID=9325580
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IL80765A IL80765A0 (en) | 1985-11-28 | 1986-11-26 | Desensitization to corrosion of a1 alloys containing li |
Country Status (8)
Country | Link |
---|---|
EP (1) | EP0227563B1 (en) |
JP (1) | JPS62142752A (en) |
AT (1) | ATE52109T1 (en) |
BR (1) | BR8605809A (en) |
CA (1) | CA1291927C (en) |
DE (1) | DE3670510D1 (en) |
ES (1) | ES2014248B3 (en) |
IL (1) | IL80765A0 (en) |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5462712A (en) * | 1988-08-18 | 1995-10-31 | Martin Marietta Corporation | High strength Al-Cu-Li-Zn-Mg alloys |
US5259897A (en) * | 1988-08-18 | 1993-11-09 | Martin Marietta Corporation | Ultrahigh strength Al-Cu-Li-Mg alloys |
US5211910A (en) * | 1990-01-26 | 1993-05-18 | Martin Marietta Corporation | Ultra high strength aluminum-base alloys |
US5133931A (en) * | 1990-08-28 | 1992-07-28 | Reynolds Metals Company | Lithium aluminum alloy system |
US5234662A (en) * | 1991-02-15 | 1993-08-10 | Reynolds Metals Company | Low density aluminum lithium alloy |
DE4113352C2 (en) * | 1991-04-24 | 1996-05-23 | Hoogovens Aluminium Gmbh | Process for the production of aluminum sheets |
US5198045A (en) * | 1991-05-14 | 1993-03-30 | Reynolds Metals Company | Low density high strength al-li alloy |
US5240521A (en) * | 1991-07-12 | 1993-08-31 | Inco Alloys International, Inc. | Heat treatment for dispersion strengthened aluminum-base alloy |
KR940008071B1 (en) * | 1991-12-26 | 1994-09-01 | 한국과학기술연구원 | Heat treatment method of al-li |
CN104674090A (en) | 2007-12-04 | 2015-06-03 | 美铝公司 | Improved aluminum-copper-lithium alloys |
US8333853B2 (en) | 2009-01-16 | 2012-12-18 | Alcoa Inc. | Aging of aluminum alloys for improved combination of fatigue performance and strength |
FR2945464B1 (en) * | 2009-05-13 | 2012-03-23 | Alcan Rhenalu | PROCESS FOR WELDING ASSEMBLY OF ALUMINUM ALLOY PARTS. |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3483607D1 (en) * | 1983-12-30 | 1990-12-20 | Boeing Co | AGING AT RELATIVELY LOW TEMPERATURES OF LITHIUM-CONTAINING ALUMINUM ALLOYS. |
US4648913A (en) * | 1984-03-29 | 1987-03-10 | Aluminum Company Of America | Aluminum-lithium alloys and method |
DE3613224A1 (en) * | 1985-08-20 | 1987-02-26 | Boeing Co | ALUMINUM LITHIUM ALLOY |
-
1986
- 1986-11-26 ES ES86420293T patent/ES2014248B3/en not_active Expired - Lifetime
- 1986-11-26 CA CA000523887A patent/CA1291927C/en not_active Expired - Fee Related
- 1986-11-26 EP EP86420293A patent/EP0227563B1/en not_active Expired - Lifetime
- 1986-11-26 AT AT86420293T patent/ATE52109T1/en not_active IP Right Cessation
- 1986-11-26 DE DE8686420293T patent/DE3670510D1/en not_active Revoked
- 1986-11-26 IL IL80765A patent/IL80765A0/en unknown
- 1986-11-27 BR BR8605809A patent/BR8605809A/en unknown
- 1986-11-27 JP JP61283024A patent/JPS62142752A/en active Pending
Also Published As
Publication number | Publication date |
---|---|
BR8605809A (en) | 1987-08-25 |
EP0227563A1 (en) | 1987-07-01 |
JPS62142752A (en) | 1987-06-26 |
ES2014248B3 (en) | 1990-07-01 |
ATE52109T1 (en) | 1990-05-15 |
CA1291927C (en) | 1991-11-12 |
EP0227563B1 (en) | 1990-04-18 |
DE3670510D1 (en) | 1990-05-23 |
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