EP3201372A1 - Tôles isotropes en alliage d'aluminium-cuivre-lithium pour la fabrication de fuselages d'avion - Google Patents
Tôles isotropes en alliage d'aluminium-cuivre-lithium pour la fabrication de fuselages d'avionInfo
- Publication number
- EP3201372A1 EP3201372A1 EP15784082.8A EP15784082A EP3201372A1 EP 3201372 A1 EP3201372 A1 EP 3201372A1 EP 15784082 A EP15784082 A EP 15784082A EP 3201372 A1 EP3201372 A1 EP 3201372A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- weight
- less
- sheet
- content
- thickness
- 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.)
- Granted
Links
- 239000001989 lithium alloy Substances 0.000 title description 8
- 229910000733 Li alloy Inorganic materials 0.000 title description 6
- -1 aluminium-copper-lithium Chemical compound 0.000 title description 6
- 238000000034 method Methods 0.000 claims abstract description 16
- 238000005098 hot rolling Methods 0.000 claims abstract description 11
- 238000010791 quenching Methods 0.000 claims abstract description 11
- 230000000171 quenching effect Effects 0.000 claims abstract description 11
- 238000005097 cold rolling Methods 0.000 claims abstract description 7
- 239000012535 impurity Substances 0.000 claims abstract description 7
- 238000005496 tempering Methods 0.000 claims abstract description 6
- 229910000838 Al alloy Inorganic materials 0.000 claims abstract description 4
- 229910045601 alloy Inorganic materials 0.000 claims description 19
- 239000000956 alloy Substances 0.000 claims description 19
- 239000010949 copper Substances 0.000 claims description 18
- 239000011777 magnesium Substances 0.000 claims description 17
- 239000011572 manganese Substances 0.000 claims description 16
- 238000004519 manufacturing process Methods 0.000 claims description 9
- 229910052782 aluminium Inorganic materials 0.000 claims description 8
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 8
- 238000004090 dissolution Methods 0.000 claims description 8
- 238000000265 homogenisation Methods 0.000 claims description 8
- 229910052742 iron Inorganic materials 0.000 claims description 8
- 229910052744 lithium Inorganic materials 0.000 claims description 8
- 229910052748 manganese Inorganic materials 0.000 claims description 8
- 229910052710 silicon Inorganic materials 0.000 claims description 8
- 238000010438 heat treatment Methods 0.000 claims description 7
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 claims description 6
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 claims description 6
- 229910052802 copper Inorganic materials 0.000 claims description 6
- 229910001338 liquidmetal Inorganic materials 0.000 claims description 6
- 229910052749 magnesium Inorganic materials 0.000 claims description 6
- QCWXUUIWCKQGHC-UHFFFAOYSA-N Zirconium Chemical compound [Zr] QCWXUUIWCKQGHC-UHFFFAOYSA-N 0.000 claims description 5
- 229910052709 silver Inorganic materials 0.000 claims description 5
- 229910052726 zirconium Inorganic materials 0.000 claims description 5
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 4
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 claims description 4
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 claims description 4
- 238000005266 casting Methods 0.000 claims description 4
- 239000004332 silver Substances 0.000 claims description 4
- 238000010030 laminating Methods 0.000 claims description 2
- 238000000137 annealing Methods 0.000 abstract 1
- 238000002791 soaking Methods 0.000 abstract 1
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 11
- 239000000203 mixture Substances 0.000 description 9
- 238000005096 rolling process Methods 0.000 description 9
- 239000010936 titanium Substances 0.000 description 9
- 239000011701 zinc Substances 0.000 description 8
- 229910052719 titanium Inorganic materials 0.000 description 5
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 4
- 230000007797 corrosion Effects 0.000 description 4
- 238000005260 corrosion Methods 0.000 description 4
- 229910052725 zinc Inorganic materials 0.000 description 4
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 3
- 238000001953 recrystallisation Methods 0.000 description 3
- 239000010703 silicon Substances 0.000 description 3
- 229910017539 Cu-Li Inorganic materials 0.000 description 2
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- 230000009466 transformation Effects 0.000 description 2
- 239000010455 vermiculite Substances 0.000 description 2
- 235000015842 Hesperis Nutrition 0.000 description 1
- 235000012633 Iberis amara Nutrition 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 229910052735 hafnium Inorganic materials 0.000 description 1
- 238000007747 plating Methods 0.000 description 1
- 238000007670 refining Methods 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 238000005482 strain hardening Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000010301 surface-oxidation reaction Methods 0.000 description 1
- 238000009864 tensile test Methods 0.000 description 1
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
- C22C21/12—Alloys based on aluminium with copper as the next major constituent
- C22C21/16—Alloys based on aluminium with copper as the next major constituent with magnesium
-
- 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
- C22C21/12—Alloys based on aluminium with copper as the next major constituent
- C22C21/14—Alloys based on aluminium with copper as the next major constituent with silicon
-
- 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
- C22C21/12—Alloys based on aluminium with copper as the next major constituent
- C22C21/18—Alloys based on aluminium with copper as the next major constituent with zinc
-
- 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
Definitions
- the invention relates to laminated products aluminum-copper-lithium alloys, more particularly, such products, their manufacturing processes and use, intended in particular for aeronautical and aerospace construction.
- Aluminum alloy rolled products are being developed to produce fuselage elements for the aerospace industry and the aerospace industry in particular.
- U.S. Patent 5,032,359 discloses a broad family of aluminum-copper-lithium alloys in which the addition of magnesium and silver, particularly between 0.3 and 0.5 percent by weight, increases the mechanical strength. .
- US Pat. No. 7,438,772 describes alloys comprising, in percentage by weight, Cu: 3-5, Mg: 0.5-2, Li: 0.01-0.9 and discourages the use of higher lithium contents due to degradation of the compromise between toughness and mechanical strength. US Pat. No.
- 7,229,509 describes an alloy comprising (% by weight): (2.5-5.5) Cu, (0.1-2.5) Li, (0.2-1.0) Mg, (0, 2-0.8) Ag, (0.2-0.8) Mn, 0.4 max Zr or other grain refining agents such as Cr, Ti, Hf, Se, V.
- US patent application 2009/142222 A1 discloses alloys comprising (in% by weight), 3.4 to 4.2% Cu, 0.9 to 1.4% Li, 0.3 to 0.7% of Ag, 0.1 to 0.6% Mg, 0.2 to 0.8% Zn, 0.1 to 0.6% Mn and 0.01 to 0.6% of at least one element. for the control of the granular structure. This application also describes a process for manufacturing spun products.
- US patent application 201 1/0247730 discloses alloys comprising (in% by weight), 2.75 to 5.0% Cu, 0.1 to 1.1% Li, 0.3 to 2.0% Ag, 0.2. at 0.8% Mg, 0.50 to 1.5% Zn, up to 1.0% Mn, with a Cu / Mg ratio of between 6.1 and 17, this alloy being insensitive to wrought.
- the patent application CN101967588 describes alloys of composition (in% by weight) Cu 2.8 - 4.0; Li 0.8 - 1.9; Mn 0.2-0.6; Zn 0.20 - 0.80, Zr 0.04-0.20, Mg 0.20-0.80, Ag 0.1-0.7, Si ⁇ 0.10, Fe ⁇ 0.10, Ti ⁇ 0.12, it teaches the combined addition of zirconium and manganese.
- the characteristics required for aluminum sheets intended for fuselage applications are described, for example, in patent EP 1 891 247. It is desirable in particular that the sheet has a high yield strength (to withstand buckling) as well as a high plane stress toughness, characterized in particular by a high value of high tensile stress intensity factor (Ka PP ) and a long curve R.
- Ka PP high tensile stress intensity factor
- Patent EP 1 966 402 describes an alloy comprising 2.1 to 2.8% by weight of Cu,
- the alloy being substantially free of zirconium, particularly suitable for obtaining recrystallized thin sheets.
- the fuselage sheets can be loaded in several directions and isotropic thin sheets having high properties and balanced in mechanical strength in the directions L and TL and tenacity for the directions L-T and T-L are much sought after.
- thin sheets obtained with certain alloys having high properties at certain thicknesses for example 4 mm, may in certain cases have lower or anisotropic properties at another thickness, for example 2.5 mm. It is often not advantageous industrially to use different alloys for different thicknesses and an alloy to achieve high and isotropic properties regardless of the thickness would be particularly advantageous.
- the object of the invention is a sheet having a thickness of 0.5 to 9 mm of granular structure essentially recrystallized from an aluminum-based alloy comprising 2.8 to 3.2% by weight of Cu,
- said sheet being obtained by a process comprising casting, homogenization, hot rolling and optionally cold rolling, dissolving, quenching and tempering.
- Another subject of the invention is the process for manufacturing a sheet according to the invention with a thickness of 0.5 to 9 mm in aluminum-based alloy in which, successively a) a liquid metal bath comprising
- said plate is homogenized at a temperature between 480 ° C and 535 ° C;
- an income is made comprising heating at a temperature between 130 and 170 ° C and preferably between 150 and 160 ° C for 5 to 100 hours and preferably
- Yet another object of the invention is the use of a sheet according to the invention in an aircraft fuselage panel.
- Figure 1 - R curves obtained in the direction L-T on sheets of thickness 4 to 5 mm for specimens of width 760 mm.
- Figure 2 - R curves obtained in the direction L-T on sheets of thickness 1, 5 to 2.5 mm for specimens of width 760 mm.
- the static mechanical characteristics in tension are determined by a tensile test according to standard NF EN ISO 6892-1, the sampling and the direction of the test being defined by the standard EN 485-1.
- the term "substantially uncrystallized granular structure” refers to a granular structure such that the degree of recrystallization at 1 ⁇ 2-thickness is less than 30% and preferably less than 10%, and a substantially recrystallized granular structure is called a structure. granular such that the recrystallization rate at 1 ⁇ 2 thickness is greater than 70% and preferably greater than 90%.
- the recrystallization rate is defined as the surface fraction on a metallographic section occupied by recrystallized grains.
- the grain sizes are measured according to ASTM El 12.
- a curve giving the effective stress intensity factor as a function of the effective crack extension, known as the R curve, is determined according to ASTM E 561.
- the critical stress intensity factor Kc in others the intensity factor which makes the crack unstable, is calculated from the curve R.
- the stress intensity factor Kco is also calculated by assigning the initial crack length at the beginning of the monotonic load, to the critical load . These two values are calculated for a specimen of the required form.
- Ka PP represents the Kco factor corresponding to the specimen that was used to perform the R curve test.
- Keff represents the Kc factor corresponding to the specimen that was used to perform the R curve test.
- effective stress intensity factor for effective crack extension Aaeff of 60 mm is W / 3 for M (T) type specimens, where W is the specimen width as defined in ASTM E561.
- EN 12258 Unless otherwise specified, the definitions of EN 12258 apply.
- the copper content of the products according to the invention is between 2.8 and 3.2% by weight. In an advantageous embodiment of the invention, the copper content is between 2.9 and 3.1% by weight.
- the lithium content of the products according to the invention is between 0.5 and 0.8% by weight and preferably between 0.55% and 0.75% by weight.
- the lithium content is at least 0.6% by weight. In one embodiment of the invention, the lithium content is between 0.64% and 0.73% by weight.
- the addition of lithium may contribute to the increase in strength and toughness, a too high or too low content does not provide a high value of toughness and / or a sufficient yield strength.
- the magnesium content of the products according to the invention is between 0.2 and 0.7% by weight, preferably between 0.3 and 0.5% by weight and preferably between 0.35 and 0.45% by weight. in weight.
- the manganese content is between 0.2 and 0.6% by weight and preferably between 0.25 and 0.35% by weight. In one embodiment of the invention, the manganese content is at most 0.45% by weight.
- the addition of manganese in the claimed amount allows control of the granular structure while avoiding the adverse effect on the toughness that would generate too high a content.
- the silver content is between 0.1 and 0.3% by weight. In an advantageous embodiment of the invention, the silver content is between 0.15 and 0.28% by weight.
- the titanium content is between 0.01 and 0.15% by weight.
- the titanium content is at least 0.02% by weight and preferably at least 0.03% by weight.
- the titanium content is at most 0.1% by weight and preferably at most 0.05% by weight. The addition of titanium helps to control the granular structure, especially during casting.
- the iron and silicon contents are each at most 0.1% by weight. In an advantageous embodiment of the invention, the iron and silicon contents are at most 0.08% and preferably at most 0.04% by weight. A controlled and limited iron and silicon content contributes to the improvement of the compromise between mechanical resistance and damage tolerance.
- the zinc content is less than 0.2% by weight and preferably less than 0.1% by weight. The zinc content is advantageously less than 0.04% by weight.
- the unavoidable impurities are maintained at a content of less than or equal to 0.05% by weight each and 0.15% by weight in total.
- the zirconium content is less than or equal to 0.05% by weight preferably less than or equal to 0.04% by weight and preferably less than or equal to 0.03% by weight.
- the method of manufacturing the sheets according to the invention comprises steps of production, casting, rolling, dissolution, quenching, controlled pulling and tempering.
- a bath of liquid metal is produced so as to obtain an aluminum alloy of composition according to the invention.
- the bath of liquid metal is then cast into a form of rolling plate.
- the rolling plate is then homogenized at a temperature between 480 ° C and 535 ° and preferably between 490 ° C and 530 ° C and preferably between 500 ° C and 520 ° C.
- the homogenization time is preferably between 5 and 60 hours.
- a homogenization temperature that is too low or the absence of homogenization does not make it possible to achieve improved and isotropic properties compared to those of the known products, in particular in terms of mechanical strength in the L and TL directions and toughness for the LT and TL directions over the entire thickness range.
- the rolling plate After homogenization, the rolling plate is generally cooled to room temperature before being preheated to be hot deformed. Preheating aims to achieve a temperature preferably between 400 and 500 ° C for deformation by hot rolling.
- the hot rolling and optionally cold rolling is performed so as to obtain a sheet thickness of 0.5 to 9 mm.
- a temperature greater than 400 ° C. is maintained up to a thickness of 20 mm and preferably a temperature greater than 450 ° C. up to a thickness of 20 mm.
- Intermediate heat treatments during rolling and / or after rolling can be carried out in some cases. However, preferably, the process does not include intermediate heat treatment during rolling and / or after rolling.
- the sheet thus obtained is then put into solution by heat treatment between 450 and 535 ° C., preferably between 490 ° C. and 530 ° C. and preferably between 500 ° C and 520 ° C, preferably for 5 min to 2 hours, and then quenched.
- the dissolution time is at most 1 hour in order to minimize the surface oxidation.
- the sheet then undergoes cold deformation by controlled traction with a permanent deformation of 0.5 to 5% and preferably of 1 to 3%.
- Known steps such as rolling, flattening, deflashing, straightening and shaping may optionally be carried out after dissolution and quenching and before or after the controlled pull, however the total cold deformation after dissolution and quenching. must remain less than 15% and preferably less than 10%.
- High cold deformation after dissolution and quenching cause the appearance of many shear bands passing through several grains, these shear bands being undesirable.
- the quenched sheet may be subjected to a step of wrinkling or planing, before or after the controlled pull.
- flashing / planing means a cold deformation step without permanent deformation or with a permanent deformation less than or equal to 1%, to improve the flatness.
- An income is achieved comprising heating at a temperature between 130 and 170 ° C and preferably between 150 and 160 ° C for 5 to 100 hours and preferably 10 to 40 hours.
- the final metallurgical state is a T8 state.
- a short heat treatment is performed after controlled pulling and before tempering so as to improve the formability of the sheets.
- the sheets can thus be shaped by a process such as drawing-forming before being returned.
- the granular structure of the sheets according to the invention is essentially recrystallized.
- the combination of the composition according to the invention and transformation parameters makes it possible to control the anisotropy index of the recrystallized grains.
- the sheets according to the invention are such that the grain anisotropy index measured at mid-thickness according to ASTM standard El 12 by the intercepts method in the L / TC plane is less than 20, preferably less than 15 and, preferably, less than 10.
- the grain anisotropy index measured at mid-thickness according to ASTM standard El 12 by the intercepts method in the L / TC plane is less than or equal to 8, preferably less than or equal to 6 and preferably less than or equal to 4.
- the sheets according to the invention have advantageous properties irrespective of the thickness of the products.
- the resistance to corrosion, in particular to intergranular corrosion, to corroding corrosion as well as stress corrosion, of the sheets according to the invention is high.
- the sheet of the invention can be used without plating.
- sheets according to the invention in an aircraft fuselage panel is advantageous.
- the sheets according to the invention are also advantageous in aerospace applications such as the manufacture of rockets.
- the plates were homogenized for 12 hours at 505 ° C.
- the plates were hot-rolled to obtain sheets having a thickness of between 4.2 and 6.3 mm. Some sheets have then cold-rolled to a thickness of between 1.5 and 2.5 mm.
- the details of the sheets obtained and the income conditions are given in Table 2.
- the granular structure of the samples was characterized from microscopic observation of cross sections after anodic oxidation under polarized light.
- the granular structure of the plates was essentially non-recrystallized for all the sheets except for the plates D # 2 E # 2 F # 1, F # 2, G # 1 and G # 2 for which the granular structure was essentially recrystallized.
- the grain size was determined in the mid-thickness L / TC plane according to the ASTM El 12 standard by the intercepts method from the microscopic observation of the cross-sections after anodic oxidation under polarized light.
- the anisotropy index is the ratio of grain size measured in the L direction divided by the grain size measured in the TC direction. The results are shown in Table 3.
- the samples were mechanically tested to determine their static mechanical properties as well as their toughness.
- the mechanical characteristics were measured in full thickness.
- Table 5 summarizes the results of the tenacity tests on CCT test specimens of width 760 mm for these samples. Table 5 results of the R curves for CCT test pieces of width 760 mm.
- Figures 1 and 2 illustrate the remarkable toughness of Examples F and G according to the invention in particular in the direction L-T.
- Examples F and G demonstrate that it is possible to obtain thin sheets according to the invention which have improved and isotropic properties compared to those obtained from the other examples A to E, and in particular with respect to Example C and over a wide range of typical thickness of said thin sheets.
Landscapes
- Chemical & Material Sciences (AREA)
- Mechanical Engineering (AREA)
- Organic Chemistry (AREA)
- Metallurgy (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Crystallography & Structural Chemistry (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Metal Rolling (AREA)
- Heat Treatment Of Steel (AREA)
- Powder Metallurgy (AREA)
- Conductive Materials (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR1402237A FR3026747B1 (fr) | 2014-10-03 | 2014-10-03 | Toles isotropes en alliage d'aluminium-cuivre-lithium pour la fabrication de fuselages d'avion |
PCT/FR2015/052634 WO2016051099A1 (fr) | 2014-10-03 | 2015-10-01 | Tôles isotropes en alliage d'aluminium-cuivre-lithium pour la fabrication de fuselages d'avion |
Publications (2)
Publication Number | Publication Date |
---|---|
EP3201372A1 true EP3201372A1 (fr) | 2017-08-09 |
EP3201372B1 EP3201372B1 (fr) | 2021-01-27 |
Family
ID=52423759
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP15784082.8A Active EP3201372B1 (fr) | 2014-10-03 | 2015-10-01 | Tôles isotropes en alliage d'aluminium-cuivre-lithium pour la fabrication de fuselages d'avion et procédé de fabrication de celle-ci |
Country Status (8)
Country | Link |
---|---|
US (1) | US11174535B2 (fr) |
EP (1) | EP3201372B1 (fr) |
JP (1) | JP6692803B2 (fr) |
CN (1) | CN106795595A (fr) |
BR (1) | BR112017006071B1 (fr) |
CA (1) | CA2961712C (fr) |
FR (1) | FR3026747B1 (fr) |
WO (1) | WO2016051099A1 (fr) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109890663B (zh) | 2016-08-26 | 2023-04-14 | 形状集团 | 用于横向弯曲挤压成形铝梁从而温热成型车辆结构件的温热成型工艺和设备 |
CN110114498A (zh) | 2016-10-24 | 2019-08-09 | 形状集团 | 用于生产车辆零件的多阶段铝合金形成与热加工方法 |
FR3067044B1 (fr) * | 2017-06-06 | 2019-06-28 | Constellium Issoire | Alliage d'aluminium comprenant du lithium a proprietes en fatigue ameliorees |
FR3080861B1 (fr) * | 2018-05-02 | 2021-03-19 | Constellium Issoire | Procede de fabrication d'un alliage aluminium cuivre lithium a resistance en compression et tenacite ameliorees |
BR112021017270A2 (pt) * | 2019-05-28 | 2021-11-09 | Aleris Rolled Prod Germany Gmbh | Produto aeroespacial de revestimento da série 2xxx |
CN110423927A (zh) * | 2019-07-17 | 2019-11-08 | 中南大学 | 一种超高强铝锂合金及其制备方法 |
FR3104172B1 (fr) * | 2019-12-06 | 2022-04-29 | Constellium Issoire | Tôles minces en alliage d’aluminium-cuivre-lithium à ténacité améliorée et procédé de fabrication |
CN112195376A (zh) * | 2020-09-11 | 2021-01-08 | 中铝材料应用研究院有限公司 | 一种高强度汽车车身用6xxx系铝合金板材及其制备方法 |
FR3132306B1 (fr) * | 2022-01-28 | 2024-05-03 | Constellium Issoire | Tôle mince améliorée en alliage d’aluminium-cuivre-lithium |
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US5032359A (en) | 1987-08-10 | 1991-07-16 | Martin Marietta Corporation | Ultra high strength weldable aluminum-lithium alloys |
US5455003A (en) * | 1988-08-18 | 1995-10-03 | Martin Marietta Corporation | Al-Cu-Li alloys with improved cryogenic fracture toughness |
US7438772B2 (en) | 1998-06-24 | 2008-10-21 | Alcoa Inc. | Aluminum-copper-magnesium alloys having ancillary additions of lithium |
WO2004106570A1 (fr) | 2003-05-28 | 2004-12-09 | Pechiney Rolled Products | Nouvel alliage de al-cu-li-mg-ag-mn-zr utilise comme elements structurels exigeant une haute resistance ainsi qu'une grande tenacite a la rupture |
FR2889542B1 (fr) * | 2005-08-05 | 2007-10-12 | Pechiney Rhenalu Sa | Tole en aluminium-cuivre-lithium a haute tenacite pour fuselage d'avion |
EP2017361A1 (fr) * | 2005-06-06 | 2009-01-21 | Alcan Rhenalu | Tôle en aluminium-cuivre-lithium à haute ténacité pour fuselage d'avion |
CN101189353A (zh) * | 2005-06-06 | 2008-05-28 | 爱尔康何纳吕公司 | 用于飞机机身的高韧度的铝-铜-锂合金板材 |
FR2894985B1 (fr) | 2005-12-20 | 2008-01-18 | Alcan Rhenalu Sa | Tole en aluminium-cuivre-lithium a haute tenacite pour fuselage d'avion |
CN101855376B (zh) * | 2007-09-21 | 2013-06-05 | 阿勒里斯铝业科布伦茨有限公司 | 适于航空应用的Al-Cu-Li合金产品 |
KR101538529B1 (ko) | 2007-12-04 | 2015-07-21 | 알코아 인코포레이티드 | 개선된 알루미늄-구리-리튬 합금 |
FR2947282B1 (fr) * | 2009-06-25 | 2011-08-05 | Alcan Rhenalu | Alliage aluminium cuivre lithium a resistance mecanique et tenacite ameliorees |
US8845827B2 (en) | 2010-04-12 | 2014-09-30 | Alcoa Inc. | 2XXX series aluminum lithium alloys having low strength differential |
FR2960002B1 (fr) * | 2010-05-12 | 2013-12-20 | Alcan Rhenalu | Alliage aluminium-cuivre-lithium pour element d'intrados. |
CN101967588B (zh) | 2010-10-27 | 2012-08-29 | 中国航空工业集团公司北京航空材料研究院 | 一种耐损伤铝锂合金及其制备方法 |
CN102021457B (zh) * | 2010-10-27 | 2012-06-27 | 中国航空工业集团公司北京航空材料研究院 | 一种高强韧铝锂合金及其制备方法 |
FR2981365B1 (fr) | 2011-10-14 | 2018-01-12 | Constellium Issoire | Procede de transformation ameliore de toles en alliage al-cu-li |
CN103173700B (zh) * | 2013-03-15 | 2016-01-06 | 中国航空工业集团公司北京航空材料研究院 | Al-Cu-Li-X铝锂合金表面脱锂层的制备方法 |
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2014
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2015
- 2015-10-01 BR BR112017006071-0A patent/BR112017006071B1/pt active IP Right Grant
- 2015-10-01 CA CA2961712A patent/CA2961712C/fr active Active
- 2015-10-01 US US15/515,891 patent/US11174535B2/en active Active
- 2015-10-01 CN CN201580053855.3A patent/CN106795595A/zh active Pending
- 2015-10-01 JP JP2017518117A patent/JP6692803B2/ja active Active
- 2015-10-01 WO PCT/FR2015/052634 patent/WO2016051099A1/fr active Application Filing
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JP6692803B2 (ja) | 2020-05-13 |
JP2017534757A (ja) | 2017-11-24 |
US20170306454A1 (en) | 2017-10-26 |
FR3026747B1 (fr) | 2016-11-04 |
FR3026747A1 (fr) | 2016-04-08 |
EP3201372B1 (fr) | 2021-01-27 |
WO2016051099A1 (fr) | 2016-04-07 |
CA2961712C (fr) | 2022-11-01 |
CA2961712A1 (fr) | 2016-04-07 |
US11174535B2 (en) | 2021-11-16 |
BR112017006071A2 (pt) | 2017-12-12 |
CN106795595A (zh) | 2017-05-31 |
BR112017006071B1 (pt) | 2021-05-04 |
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