IL80765A0 - Desensitization to corrosion of a1 alloys containing li - Google Patents

Desensitization to corrosion of a1 alloys containing li

Info

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
Application number
IL80765A
Original Assignee
Cegedur
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=9325580&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=IL80765(A0) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Cegedur filed Critical Cegedur
Publication of IL80765A0 publication Critical patent/IL80765A0/en

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)
  • Heat Treatment Of Steel (AREA)
  • Secondary Cells (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%.
IL80765A 1985-11-28 1986-11-26 Desensitization to corrosion of a1 alloys containing li IL80765A0 (en)

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)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5259897A (en) * 1988-08-18 1993-11-09 Martin Marietta Corporation Ultrahigh strength Al-Cu-Li-Mg alloys
US5462712A (en) * 1988-08-18 1995-10-31 Martin Marietta Corporation High strength Al-Cu-Li-Zn-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
EP2231888B1 (en) 2007-12-04 2014-08-06 Alcoa Inc. 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)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0150456B1 (en) * 1983-12-30 1990-11-14 The Boeing Company Low temperature underaging of lithium bearing aluminum alloy
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

Also Published As

Publication number Publication date
ES2014248B3 (en) 1990-07-01
EP0227563A1 (en) 1987-07-01
EP0227563B1 (en) 1990-04-18
CA1291927C (en) 1991-11-12
DE3670510D1 (en) 1990-05-23
BR8605809A (en) 1987-08-25
ATE52109T1 (en) 1990-05-15
JPS62142752A (en) 1987-06-26

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