CN104769143A - Improved 5xxx-lithium aluminum alloys, and methods for producing the same - Google Patents
Improved 5xxx-lithium aluminum alloys, and methods for producing the same Download PDFInfo
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Abstract
New 5xxx-lithium aluminum alloys and related products are disclosed. The new 5xxx-lithium aluminum alloy may contain from 3.75 to 5.0 wt. % Mg, from 1.6 to 2.3 wt. % Li, and from 0.50 to 2.5 wt. % Zn, among others.
Description
Background technology
Aluminium alloy is useful in numerous applications.But, improve a kind of performance of aluminium alloy and do not damage another kind of performance and usually confirm to be difficult to realize.
Summary of the invention
Roughlly speaking, content of the present invention relates to the new 5xxx-lithium-aluminium alloy product having and improve combining properties.Described new 5xxx-lithium-aluminium alloy product is made up of the aluminium alloy comprising following composition, and described composition comprises: the magnesium (Mg) of 3.75 to 5.0wt.%, the lithium (Li) of 1.6 to 2.3wt.%, the zinc (Zn) of 0.50 to 2.5wt.%, 0.05 to 0.50wt.% is selected from by Zr, Sc, Cr, V, Hf, the crystalline-granular texture control element of the group that other rare earth elements and combination thereof form, the optionally copper (Cu) of 1.0wt.% at the most, the optionally silver (Ag) of 1.0wt.% at the most, wherein wt.%Cu+wt.%Ag≤1.15wt.%, wherein, when described aluminium alloy comprises the Cu being not more than 0.04wt.% and the Ag being not more than 0.04wt.%, described aluminium alloy comprises the zinc of at least 0.75wt.%, the optionally silicon (Si) of 0.5wt.% at the most, the optionally manganese (Mn) of 1.0wt.% at the most, the optionally Fe of 0.25wt.% at the most, the optionally Ti of 0.15wt.% at the most, surplus is aluminium, other elements and impurity, wherein, described aluminium alloy comprises other elements of any one being not more than 0.10wt.%, and the total amount that wherein said aluminium alloy comprises other elements is not more than 0.35wt.%.Described new 5xxx-lithium-aluminium alloy can realize the combining properties improved, such as, in intensity, fracture toughness property, density, fatigue crack growth and/or erosion resistance etc. two or more improvement combining properties.Described new 5xxx-lithium-aluminium alloy may be used for the field such as aviation and national defense applications.
5xxx aluminium alloy is containing the aluminium alloy in addition to aluminum using magnesium as the alloying element that is dominant.The new 5xxx-lithium-aluminium alloy of present patent application is the 5xxx aluminium alloy of the Li of Mg, 1.6-2.3wt.% containing 3.75 to 5.0wt.% and the Zn of 0.5 to 2.5wt.% etc., as mentioned below.The form of described new 5xxx-lithium-aluminium alloy product usually in wrought product, and can be prepared by following steps, that is: new 5xxx-lithium alloy is cast, homogenized afterwards, then hot-work is to intermediate specification or final specification, more optionally cold working, then solution heat treatment quenching, optionally cold working again, and then optionally artificial aging.
Therefore, described new 5xxx-lithium-aluminium alloy product is in T3 or T8 state usually, and these states dawn known to those skilled in the art is also defined by association of Alcoa (AluminumAssociation).Above-mentioned thermal work steps can have been come by rolling, extruding or forging, to produce sheet material or sheet material, extrusion or forging respectively.
Described new 5xxx-lithium-aluminium alloy product comprises the Mg of 3.75 to 5.0wt.% usually.In one embodiment, new 5xxx-lithium-aluminium alloy product comprises the Mg of at least 4.0wt.%.In another embodiment, new 5xxx-lithium-aluminium alloy product comprises the Mg of at least 4.1wt.%.In still another embodiment, new 5xxx-lithium-aluminium alloy product comprises the Mg of at least 4.2wt.%.In another embodiment, new 5xxx-lithium-aluminium alloy product comprises the Mg of at least 4.3wt.%.In one embodiment, new 5xxx-lithium-aluminium alloy product comprises the Mg being not more than 4.9wt.%.In another embodiment, new 5xxx-lithium-aluminium alloy product comprises the Mg being not more than 4.8wt.%.In still another embodiment, new 5xxx-lithium-aluminium alloy product comprises the Mg being not more than 4.7wt.%.In another embodiment, new 5xxx-lithium-aluminium alloy product comprises the Mg being not more than 4.6wt.%.
Described new 5xxx-lithium-aluminium alloy product comprises the Li of 1.60 to 2.30wt.% usually.In one embodiment, new 5xxx-lithium-aluminium alloy product comprises the Li of at least 1.65wt.%.In another embodiment, new 5xxx-lithium-aluminium alloy product comprises the Li of at least 1.70wt.%.In still another embodiment, new 5xxx-lithium-aluminium alloy product comprises the Li of at least 1.75wt.%.In one embodiment, new 5xxx-lithium-aluminium alloy product comprises the Li being not more than 2.20wt.%.In another embodiment, new 5xxx-lithium-aluminium alloy product comprises the Li being not more than 2.10wt.%.
Described new 5xxx-lithium-aluminium alloy product comprises the Zn of 0.5 to 2.50wt.% usually.In one embodiment, new 5xxx-lithium-aluminium alloy product comprises the Zn of at least 0.60wt.%.In another embodiment, new 5xxx-lithium-aluminium alloy product comprises the Zn of at least 0.70wt.%.In still another embodiment, new 5xxx-lithium-aluminium alloy product comprises the Zn of at least 0.80wt.%.In another embodiment, new 5xxx-lithium-aluminium alloy product comprises the Zn of at least 0.90wt.%.In still another embodiment, new 5xxx-lithium-aluminium alloy product comprises the Zn of at least 1.00wt.%.In one embodiment, new 5xxx-lithium-aluminium alloy product comprises the Zn being not more than 2.25wt.%.In another embodiment, new 5xxx-lithium-aluminium alloy product comprises the Zn being not more than 2.00wt.%.
Described new 5xxx-lithium-aluminium alloy product optionally can comprise the copper (Cu) of 1.0wt.% at the most.In the embodiment adopting copper, described new 5xxx-lithium-aluminium alloy product comprises the Cu of at least 0.05wt.%.In one embodiment, described new 5xxx-lithium-aluminium alloy product comprises the Cu of at least 0.15wt.%.In another embodiment, described new 5xxx-lithium-aluminium alloy product comprises the Cu of at least 0.25wt.%.In still another embodiment, described new 5xxx-lithium-aluminium alloy product comprises the Cu of at least 0.30wt.%.In one embodiment, described new 5xxx-lithium-aluminium alloy product comprises the Cu being not more than 0.90wt.%.In another embodiment, described new 5xxx-lithium-aluminium alloy product comprises the Cu being not more than 0.80wt.%.In still another embodiment, described new 5xxx-lithium-aluminium alloy product comprises the Cu being not more than 0.70wt.%.In still another embodiment, described new 5xxx-lithium-aluminium alloy product comprises the Cu being not more than 0.60wt.%.In some embodiments, copper exists as impurity, and described new 5xxx-lithium-aluminium alloy product comprises the Cu being not more than 0.04wt.% in these embodiments.
Described new 5xxx-lithium-aluminium alloy product optionally can comprise the silver (Ag) of 1.0wt.% at the most.In the embodiment adopting silver, described new 5xxx-lithium-aluminium alloy product comprises the Ag of at least 0.05wt.%.In one embodiment, described new 5xxx-lithium-aluminium alloy product comprises the Ag of at least 0.15wt.%.In another embodiment, described new 5xxx-lithium-aluminium alloy product comprises the Ag of at least 0.25wt.%.In still another embodiment, described new 5xxx-lithium-aluminium alloy product comprises the Ag of at least 0.30wt.%.In one embodiment, described new 5xxx-lithium-aluminium alloy product comprises the Ag being not more than 0.90wt.%.In another embodiment, described new 5xxx-lithium-aluminium alloy product comprises the Ag being not more than 0.80wt.%.In another embodiment, described new 5xxx-lithium-aluminium alloy product comprises the Ag being not more than 0.70wt.%.In another embodiment, described new 5xxx-lithium-aluminium alloy product comprises the Ag being not more than 0.60wt.%.In some embodiments, silver exists as impurity, and in these embodiments, described new 5xxx-lithium-aluminium alloy product comprises the Ag being not more than 0.04wt.%.
When described new 5xxx-lithium-aluminium alloy product comprises copper and Yin Shi, described new 5xxx-lithium-aluminium alloy product comprises the Cu+Ag (that is, (wt.%Cu)+(wt.%Ag)≤1.15wt.%) being not more than 1.15wt.%.In one embodiment, described new 5xxx-lithium-aluminium alloy product comprises the Cu+Ag being not more than 1.10wt.%.In another embodiment, described new 5xxx-lithium-aluminium alloy product comprises the Cu+Ag being not more than 1.05wt.%.In another embodiment, described new 5xxx-lithium-aluminium alloy product comprises the Cu+Ag being not more than 1.00wt.%.
In the embodiment adopting copper and/or silver, (namely described new 5xxx-lithium-aluminium alloy product comprises the Cu+Ag of at least 0.15wt.% usually, (wt.%Cu)+(wt.%Ag) >=1.15wt.%), wherein at least there is one in copper and silver, in one embodiment, described new 5xxx-lithium-aluminium alloy product comprises the Cu+Ag of at least 0.25wt.%.In another embodiment, described new 5xxx-lithium-aluminium alloy product comprises the Cu+Ag of at least 0.35wt.%.In still another embodiment, described new 5xxx-lithium-aluminium alloy product comprises the Cu+Ag of at least 0.40wt.%.In another embodiment, described new 5xxx-lithium-aluminium alloy product comprises the Cu+Ag of at least 0.45wt.%.In still another embodiment, described new 5xxx-lithium-aluminium alloy product comprises the Cu+Ag of at least 0.50wt.%.
When adopting copper and/or silver, described alloy can comprise a small amount of zinc.Such as, when described alloy comprises the Ag of the Cu of at least 0.05wt.% or at least 0.05wt.%, described alloy can comprise the zinc being low to moderate 0.50wt.%.When described alloy does not adopt copper and/or silver, so described alloy needs the zinc of more.Such as, when described alloy comprises the Cu (that is, Cu is as impurity) being not more than 0.04wt.% and Ag (that is, Ag is as impurity) being not more than 0.04wt.%, described alloy comprises the zinc of at least 0.75wt.%.
Described new 5xxx-lithium-aluminium alloy product optionally can comprise the silicon (Si) of 0.5wt.% at the most.In the embodiment adopting silicon, described new 5xxx-lithium-aluminium alloy product comprises the Si of at least 0.05wt.%.In one embodiment, described new 5xxx-lithium-aluminium alloy product comprises the Si being not more than 0.35wt.%.In another embodiment, described new 5xxx-lithium-aluminium alloy product comprises the Si being not more than 0.25wt.%.In some embodiments, silicon exists as impurity, and in these embodiments, described new 5xxx-lithium-aluminium alloy product comprises the Si being not more than 0.04wt.%.
Described new 5xxx-lithium-aluminium alloy product optionally can comprise the manganese (Mn) of 1.0wt.% at the most.In the embodiment adopting manganese, described new 5xxx-lithium-aluminium alloy product comprises the Mn of at least 0.05wt.%.In one embodiment, described new 5xxx-lithium-aluminium alloy product comprises the Mn of at least 0.20wt.%.In another embodiment, described new 5xxx-lithium-aluminium alloy product comprises the Mn of at least 0.30wt.%.In still another embodiment, described new 5xxx-lithium-aluminium alloy product comprises the Mn of at least 0.40wt.%.In one embodiment, described new 5xxx-lithium-aluminium alloy product comprises the Mn being not more than 0.75wt.%.In another embodiment, described new 5xxx-lithium-aluminium alloy product comprises the Mn being not more than 0.50wt.%.In some embodiments, manganese exists as impurity, and in these embodiments, described new 5xxx-lithium-aluminium alloy product comprises the Mn being not more than 0.04wt.%.
What described new 5xxx-lithium-aluminium alloy product can comprise 0.05 to 0.50wt.% is selected from by zirconium (Zr), scandium (Sc), chromium (Cr), vanadium (V) and/or hafnium (Hf), and/or at least one crystalline-granular texture control element of group that other rare earth elements form, thus the crystalline-granular texture control element adopted is maintained at below maxima solubility.As used herein, " crystalline-granular texture control element " means element as the alloy addition of having a mind to or compound, and object is to form Second Phase Particle, usually in solid-state, to control the change during heating treatment of solid grains structure, as replied and recrystallization.For the object of present patent application, crystalline-granular texture control element comprises Zr, Sc, Cr, V, Hf, other rare earth elements and combination thereof, but does not comprise Mn.
The amount that the crystalline-granular texture adopted in alloy controls material depends on the type of material and/or the production technique of this alloy that control for crystalline-granular texture usually.In one embodiment, described crystalline-granular texture control element is Zr, and described alloy comprises the Zr of 0.05wt.% to 0.20wt.%.In another embodiment, described alloy comprises the Zr of 0.05wt.% to 0.15wt.%.In another embodiment, described alloy comprises the Zr of 0.07wt.% to 0.14wt.%.In another embodiment, described alloy comprises the Zr of 0.08-0.13wt.%.In one embodiment, described aluminium alloy comprises the Zr of at least 0.07wt.%.In another embodiment, described aluminium alloy comprises the Zr of at least 0.08wt.%.In one embodiment, described aluminium alloy comprises the Zr being not more than 0.18wt.%.In another embodiment, described aluminium alloy comprises the Zr being not more than 0.15wt.%.In another embodiment, described aluminium alloy comprises the Zr being not more than 0.14wt.%.In another embodiment, described aluminium alloy comprises the Zr being not more than 0.13wt.%.
Described new 5xxx-lithium-aluminium alloy product can comprise the Ti of 0.15wt.% at the most cumulatively for ingot casting grain refining and/or other objects.Grain-refining agent is the nucleating agent or the nucleus that form new crystal grain at the solidificating period of alloy.An example of grain-refining agent be comprise the aluminium of 96%, the titanium (Ti) of 3% and 1% the rod of 9.525mm of boron (B), wherein, boron all in fact exists with the TiB2 particle of fine dispersion.During casting, described grain refining rod to be flowed in the molten alloy of foundry pit with controlled speed to expecting by online.The amount of the grain-refining agent comprised in the alloy depends on type for the material of grain refining and alloy production technique usually.Although can use other grain-refining agents of such as Al-Ti mother alloy, the example of grain-refining agent comprises the Ti (such as, TiB2) in conjunction with B or the Ti (TiC) in conjunction with carbon.As a rule, grain-refining agent is added in alloy with the amount of 0.0003wt.% to 0.005wt.% scope, this depend on want cast grain-size.In addition, depend on the form of product, can join in alloy by Ti with the amount of 0.15wt.% (accumulation) at the most individually, to improve the effect of grain-refining agent, and Ti be in the scope of 0.01 to 0.03wt.% usually.When comprising Ti in alloy, Ti exists with the amount of 0.01 to 0.10wt.% usually.In one embodiment,
Described aluminium alloy comprises grain-refining agent, and described grain-refining agent is at least one in TiB2 and TiC, and the weight percentage (wt.%) of the Ti in its interalloy is 0.01 to 0.06wt.%, or 0.01 to 0.03wt.%.
Described new 5xxx-lithium-aluminium alloy product can comprise the impurity of iron, copper, silver, silicon and/or manganese.Iron can be in the alloy involved with the amount of 0.25wt.% at the most as impurity.In one embodiment, described new 5xxx-lithium-aluminium alloy product comprises the Fe being not more than 0.15wt.% as impurity.In another embodiment, described new 5xxx-lithium-aluminium alloy product comprises the Fe being not more than 0.12wt.% as impurity.In still another embodiment, described new 5xxx-lithium-aluminium alloy product comprises the Fe being not more than 0.10wt.% as impurity.In other embodiments, described new 5xxx-lithium-aluminium alloy product comprises the Fe being not more than 0.08wt.% as impurity.In still another embodiment, described new 5xxx-lithium-aluminium alloy product comprises the Fe being not more than 0.06wt.% as impurity.As mentioned above, copper, silver, silicon and/or manganese can be in the alloy involved as impurity, and when these elements any as impurity involved in the alloy time, described new 5xxx-lithium-aluminium alloy product comprises these elements any of often kind of 0.04wt.% all at the most.
Described new 5xxx-lithium-aluminium alloy product comprises a small amount of " other elements " (such as, casting auxiliary agent) usually.As employed herein, " other elements " means any other element on the periodictable outside aluminium and above-mentioned magnesium, lithium, zinc, copper, silver, silicon, manganese, titanium, crystalline-granular texture control element (that is, Zr, Sc, Cr, V, Hf and other rare earth elements) and above-mentioned iron.In one embodiment, new 5xxx-lithium-aluminium alloy product comprises any other element of often kind of all no more than 0.10wt.%, and total combined amount of these other elements is no more than 0.35wt.%.In another embodiment, each of these other elements is all no more than 0.05wt.% separately in new 5xxx-lithium-aluminium alloy product, and total combined amount of these other elements is no more than 0.15wt.% in 5xxx-lithium-aluminium alloy product.In another embodiment, each of these other elements is all no more than 0.03wt.% separately in 5xxx-lithium-aluminium alloy product, and total combined amount of these other elements is no more than 0.10wt.% in 5xxx-lithium-aluminium alloy product.
For the object of present patent application, following table lists the difference between impurity and other elements.
Accompanying drawing explanation
Fig. 1 a-1d shows the chart of the mechanical property of the alloy in different embodiment 1.
Fig. 2 a-1 shows the chart of the intensity-toughness properties of the alloy in different embodiment 2.
Fig. 2 a-2 shows the chart of the intensity-toughness properties of the alloy in different embodiment 2.
Embodiment
Embodiment 1
Casting mold has cast different 5xxx-lithium-aluminium alloys is in a hinge-type about 3 inchs to make ingot casting.Following table 1 provides alloy composition.
the composition of table 1-embodiment 1 alloy and density
(all numerical value by weight percentage)
Alloy 1 is based on traditional Russian alloy 01420 (" 1420 " alloy).All alloy 1-8 all comprise the Si being not more than 0.04wt.%, the Fe being not more than 0.06wt.%, are not more than the Mn of 0.04wt.% and the Zr of 0.10 to 0.12wt.%, surplus is aluminium and other elements, other elements described are often planted and are all no more than 0.05wt.%, and the combined amount of other elements described amounts to no more than 0.15wt.%.
After casting, all alloys are repaired, homogenize (preheating), is then hot-rolled down to the final specification of about 0.25 inch, makes alloy be cooled to room temperature afterwards.Next, alloy carries out solution heat treatment and quenching, afterwards by about for alloy tensile 3%, subsequently in the time that 300 °F of lower timeliness are different, makes alloy be in T8 state.Then test through the mechanical property of the sample of overaging according to ASTM E8 and B557, following table 2 and Fig. 1 a-1c show the result mean value of multiple test sample (all numerical value attach most importance to) of this test.
alloy-longitudinal direction (L) intensity of table 2-embodiment 1 and unit elongation performance
Next, grow transverse direction (LT) intensity and the test of T-L plane strain fracture toughness to the alloy sample through 24 hours timeliness, following table 3 and Fig. 1 d show the result of this test.
alloy-length laterally (LT) intensity and T-L toughness properties of table 3 – embodiment 1
As above with shown in Fig. 1 a-1d, compared with traditional Russian alloy 1420 (alloy 1), the alloy containing zinc and/or copper additives achieves improvement performance.Really, as illustrated by figures 1 a-1 c, alloy 6 and 8 achieves the tensile yield strength of improvement relative to alloy 1 (Fig. 1 a), and has comparable ultimate tensile strength (1b) and unit elongation (1c).As shown in Figure 1 d, alloy 6 and 8 achieves the intensity-toughness relationship of improvement relative to alloy 1.
Embodiment 2
With book mold, different 5xxx-lithium-aluminium alloys is cast as ingot casting, is then processed into according to above-described embodiment 1 rolled products that 0.25 inch (approximately) is in T8 state.Following table 4 provides alloy composition.
the composition of the 2-in-1 gold of table 4-embodiment and density
Unless hereafter illustrated in addition, otherwise the Zr that all alloy 9-22 all comprise the Si being not more than 0.04wt.%, the Fe being not more than 0.06wt.%, are not more than the Mn of 0.04wt.%, are not more than the Ti (being added into as grain-refining agent) of 0.02wt.%, 0.10 to 0.13wt.%, surplus is aluminium and other elements, often kind of other element is all no more than 0.05wt.%, and the combined amount of these other elements amounts to no more than 0.15wt.%.
* alloy 21 comprises the Si of 0.24wt.%.
* alloy 22 comprises the Si of 0.89wt.%.
Then test through the mechanical property of the sample of overaging according to ASTM E8 and B557, following table 5-6 shows the result mean value of multiple test sample (all numerical value attach most importance to) of this test, and some results are shown in Fig. 2 a-1 to Fig. 2 d-2.As shown, alloy of the present invention (9-10,13-14,17 and 21) achieves the intensity-toughness relationship of improvement, and comprises the Zn of the Mg of 4.32 to 4.45wt.%, the Li of 1.975 to 2.17wt.% and 0.95 to 1.87wt.%.Alloy of the present invention also comprises the amount of the Cu+Ag being no more than 1.11wt.%.Alloy of the present invention also comprises the Si of 0.24wt.% at the most.Non-invention alloy (11-12,15-16,18,20 and 22) neither comprises so much Cu+Ag (alloy 11-12,15-16,18,20), does not also comprise so much silicon (alloy 22).The alloy of these optimum performances comprises the Ag of the Cu and about 0.2 to about 0.7wt.% of about 0.35wt.%.
alloy-longitudinal direction (L) intensity of table 5-embodiment 2 and unit elongation performance
horizontal (LT) intensity of alloy-length of table 6-embodiment 2 and T-L toughness properties are (except alloy
9 300 °F of lower timeliness 10 hours, and all the other were 300 °F of lower timeliness 24 hours)
Although describe the numerous embodiments of new technology in detail at this, it is evident that: those skilled in the art can expect improvement and the change of these embodiments.But, it is clearly understood that these improve and change falls in the spirit and scope of technology disclosed herein.
Claims (71)
1. an aluminium alloy, consists of the following composition:
The magnesium (Mg) of 3.75 to 5.0wt.%;
The lithium (Li) of 1.6 to 2.3wt.%;
The zinc (Zn) of 0.50 to 2.5wt.%;
The crystalline-granular texture control element being selected from the group be made up of zirconium (Zr), scandium (Sc), chromium (Cr), vanadium (V), hafnium (Hf), other rare earth elements and combination thereof of 0.05 to 0.50wt.%;
The copper (Cu) of 1.00wt.% at the most;
The silver (Ag) of 1.00wt.% at the most;
Wherein Cu+Ag≤1.15wt.%;
Wherein, when described aluminium alloy comprises the Cu being not more than 0.04wt.% and the Ag being not more than 0.04wt.%, described aluminium alloy comprises the zinc of at least 0.75wt.%;
The silicon (Si) of 0.5wt.% at the most;
The manganese (Mn) of 1.0wt.% at the most;
The titanium (Ti) of 0.15wt.% at the most; And
Surplus is aluminium, other elements and impurity, wherein, described aluminium alloy comprise be not more than 0.10wt.% any one described in other elements, and the total amount that wherein said aluminium alloy comprises other elements described is not more than 0.35wt.%.
2. aluminium alloy according to claim 1, is characterized in that, described aluminium alloy comprises the Mg of at least 4.0wt.%.
3. according to aluminium alloy in any one of the preceding claims wherein, it is characterized in that, described aluminium alloy comprises the Mg of at least 4.1wt.%.
4. according to aluminium alloy in any one of the preceding claims wherein, it is characterized in that, described aluminium alloy comprises the Mg of at least 4.2wt.%.
5. according to aluminium alloy in any one of the preceding claims wherein, it is characterized in that, described aluminium alloy comprises the Mg of at least 4.3wt.%.
6. according to aluminium alloy in any one of the preceding claims wherein, it is characterized in that, described aluminium alloy comprises the Mg being not more than 4.9wt.%.
7. according to aluminium alloy in any one of the preceding claims wherein, it is characterized in that, described aluminium alloy comprises the Mg being not more than 4.8wt.%.
8. according to aluminium alloy in any one of the preceding claims wherein, it is characterized in that, described aluminium alloy comprises the Mg being not more than 4.7wt.%.
9. according to aluminium alloy in any one of the preceding claims wherein, it is characterized in that, described aluminium alloy comprises the Mg being not more than 4.6wt.%.
10. according to aluminium alloy in any one of the preceding claims wherein, it is characterized in that, described aluminium alloy comprises the Li of at least 1.65wt.%.
11., according to aluminium alloy in any one of the preceding claims wherein, is characterized in that, described aluminium alloy comprises the Li of at least 1.70wt.%.
12., according to aluminium alloy in any one of the preceding claims wherein, is characterized in that, described aluminium alloy comprises the Li of at least 1.75wt.%.
13., according to aluminium alloy in any one of the preceding claims wherein, is characterized in that, described aluminium alloy comprises the Li being not more than 2.20wt.%.
14., according to aluminium alloy in any one of the preceding claims wherein, is characterized in that, described aluminium alloy comprises the Li being not more than 2.10wt.%.
15., according to aluminium alloy in any one of the preceding claims wherein, is characterized in that, described aluminium alloy comprises the Zn of at least 0.60wt.%.
16., according to aluminium alloy in any one of the preceding claims wherein, is characterized in that, described aluminium alloy comprises the Zn of at least 0.70wt.%.
17., according to aluminium alloy in any one of the preceding claims wherein, is characterized in that, described aluminium alloy comprises the Zn of at least 0.80wt.%.
18., according to aluminium alloy in any one of the preceding claims wherein, is characterized in that, described aluminium alloy comprises the Zn of at least 0.90wt.%.
19., according to aluminium alloy in any one of the preceding claims wherein, is characterized in that, described aluminium alloy comprises the Zn of at least 1.00wt.%.
20., according to aluminium alloy in any one of the preceding claims wherein, is characterized in that, described aluminium alloy comprises the Zn being not more than 2.25wt.%.
21., according to aluminium alloy in any one of the preceding claims wherein, is characterized in that, described aluminium alloy comprises the Zn being not more than 2.00wt.%.
22., according to aluminium alloy in any one of the preceding claims wherein, is characterized in that, described aluminium alloy comprises the Cu of at least 0.05wt.%.
23., according to aluminium alloy in any one of the preceding claims wherein, is characterized in that, described aluminium alloy comprises the Cu of at least 0.15wt.%.
24., according to aluminium alloy in any one of the preceding claims wherein, is characterized in that, described aluminium alloy comprises the Cu of at least 0.25wt.%.
25., according to aluminium alloy in any one of the preceding claims wherein, is characterized in that, described aluminium alloy comprises the Cu of at least 0.30wt.%.
26., according to aluminium alloy in any one of the preceding claims wherein, is characterized in that, described aluminium alloy comprises the Cu being not more than 0.90wt.%.
27., according to aluminium alloy in any one of the preceding claims wherein, is characterized in that, described aluminium alloy comprises the Cu being not more than 0.80wt.%.
28., according to aluminium alloy in any one of the preceding claims wherein, is characterized in that, described aluminium alloy comprises the Cu being not more than 0.70wt.%.
29., according to aluminium alloy in any one of the preceding claims wherein, is characterized in that, described aluminium alloy comprises the Cu being not more than 0.60wt.%.
30., according to aluminium alloy in any one of the preceding claims wherein, is characterized in that, described aluminium alloy comprises the Ag of at least 0.05wt.%.
31., according to aluminium alloy in any one of the preceding claims wherein, is characterized in that, described aluminium alloy comprises the Ag of at least 0.15wt.%.
32., according to aluminium alloy in any one of the preceding claims wherein, is characterized in that, described aluminium alloy comprises the Ag of at least 0.25wt.%.
33., according to aluminium alloy in any one of the preceding claims wherein, is characterized in that, described aluminium alloy comprises the Ag of at least 0.30wt.%.
34., according to aluminium alloy in any one of the preceding claims wherein, is characterized in that, described aluminium alloy comprises the Ag being not more than 0.90wt.%.
35., according to aluminium alloy in any one of the preceding claims wherein, is characterized in that, described aluminium alloy comprises the Ag being not more than 0.80wt.%.
36., according to aluminium alloy in any one of the preceding claims wherein, is characterized in that, described aluminium alloy comprises the Ag being not more than 0.70wt.%.
37., according to aluminium alloy in any one of the preceding claims wherein, is characterized in that, described aluminium alloy comprises the Ag being not more than 0.60wt.%.
38., according to aluminium alloy in any one of the preceding claims wherein, is characterized in that, described aluminium alloy comprises the Cu+Ag being not more than 1.10wt.%.
39., according to aluminium alloy in any one of the preceding claims wherein, is characterized in that, described aluminium alloy comprises the Cu+Ag being not more than 1.05wt.%.
40., according to aluminium alloy in any one of the preceding claims wherein, is characterized in that, described aluminium alloy comprises the Cu+Ag being not more than 1.00wt.%.
41., according to aluminium alloy in any one of the preceding claims wherein, is characterized in that, described aluminium alloy comprises at least one in Cu and Ag of at least 0.05wt.%, and wherein, described new aluminium alloy comprises the Cu+Ag of at least 0.15wt.%.
42., according to aluminium alloy in any one of the preceding claims wherein, is characterized in that, described aluminium alloy comprises at least one in Cu and Ag of at least 0.05wt.%, and wherein, described new aluminium alloy comprises the Cu+Ag of at least 0.25wt.%.
43., according to aluminium alloy in any one of the preceding claims wherein, is characterized in that, described aluminium alloy comprises at least one in Cu and Ag of at least 0.05wt.%, and wherein, described new aluminium alloy comprises the Cu+Ag of at least 0.35wt.%.
44., according to aluminium alloy in any one of the preceding claims wherein, is characterized in that, described aluminium alloy comprises at least one in Cu and Ag of at least 0.05wt.%, and wherein, described new aluminium alloy comprises the Cu+Ag of at least 0.40wt.%.
45., according to aluminium alloy in any one of the preceding claims wherein, is characterized in that, described aluminium alloy comprises at least one in Cu and Ag of at least 0.05wt.%, and wherein, described new aluminium alloy comprises the Cu+Ag of at least 0.45wt.%.
46., according to aluminium alloy in any one of the preceding claims wherein, is characterized in that, described aluminium alloy comprises at least one in Cu and Ag of at least 0.05wt.%, and wherein, described new aluminium alloy comprises the Cu+Ag of at least 0.50wt.%.
47., according to aluminium alloy in any one of the preceding claims wherein, is characterized in that, described aluminium alloy comprises the Si being not more than 0.35wt.%.
48., according to aluminium alloy in any one of the preceding claims wherein, is characterized in that, described aluminium alloy comprises the Si being not more than 0.25wt.%.
49., according to aluminium alloy in any one of the preceding claims wherein, is characterized in that, described aluminium alloy comprises the Si of at least 0.05wt.%.
50., according to aluminium alloy in any one of the preceding claims wherein, is characterized in that, described aluminium alloy comprises the Mn being not more than 0.75wt.%.
51., according to aluminium alloy in any one of the preceding claims wherein, is characterized in that, described aluminium alloy comprises the Mn being not more than 0.50wt.%.
52., according to aluminium alloy in any one of the preceding claims wherein, is characterized in that, described aluminium alloy comprises the Mn of at least 0.05wt.%.
53., according to aluminium alloy in any one of the preceding claims wherein, is characterized in that, described aluminium alloy comprises the Mn of at least 0.20wt.%.
54., according to aluminium alloy in any one of the preceding claims wherein, is characterized in that, described aluminium alloy comprises the Mn of at least 0.30wt.%.
55., according to aluminium alloy in any one of the preceding claims wherein, is characterized in that, described aluminium alloy comprises the Mn of at least 0.40wt.%.
56., according to aluminium alloy in any one of the preceding claims wherein, is characterized in that, described crystalline-granular texture control element comprises zirconium, and wherein, described aluminium alloy comprises the Zr of 0.05wt.% to 0.20wt.%.
57., according to aluminium alloy in any one of the preceding claims wherein, is characterized in that, described crystalline-granular texture control element comprises zirconium, and wherein, described aluminium alloy comprises the Zr of 0.05wt.% to 0.15wt.%.
58., according to aluminium alloy in any one of the preceding claims wherein, is characterized in that, described crystalline-granular texture control element comprises zirconium, and wherein, described aluminium alloy comprises the Zr of 0.07wt.% to 0.14wt.%.
59., according to aluminium alloy in any one of the preceding claims wherein, is characterized in that, described crystalline-granular texture control element comprises zirconium, and wherein, described aluminium alloy comprises the Zr of 0.08wt.% to 0.13wt.%.
60., according to aluminium alloy in any one of the preceding claims wherein, is characterized in that, described aluminium alloy comprises the Ti of 0.01 to 0.10wt.%.
61., according to aluminium alloy in any one of the preceding claims wherein, is characterized in that, described aluminium alloy comprises the Ti of 0.01 to 0.06wt.%.
62., according to aluminium alloy in any one of the preceding claims wherein, is characterized in that, described aluminium alloy comprises the Ti of 0.01 to 0.03wt.%.
63., according to aluminium alloy in any one of the preceding claims wherein, is characterized in that, described impurity comprises iron (Fe), and wherein, described aluminium alloy comprises the Fe being not more than 0.25wt.%.
64., according to aluminium alloy in any one of the preceding claims wherein, is characterized in that, described impurity comprises iron (Fe), and wherein, described aluminium alloy comprises the Fe being not more than 0.15wt.%.
65., according to aluminium alloy in any one of the preceding claims wherein, is characterized in that, described impurity comprises iron (Fe), and wherein, described aluminium alloy comprises the Fe being not more than 0.12wt.%.
66., according to aluminium alloy in any one of the preceding claims wherein, is characterized in that, described impurity comprises iron (Fe), and wherein, described aluminium alloy comprises the Fe being not more than 0.10wt.%.
67., according to aluminium alloy in any one of the preceding claims wherein, is characterized in that, described impurity comprises iron (Fe), and wherein, described aluminium alloy comprises the Fe being not more than 0.08wt.%.
68., according to aluminium alloy in any one of the preceding claims wherein, is characterized in that, described impurity comprises iron (Fe), and wherein, described aluminium alloy comprises the Fe being not more than 0.06wt.%.
69., according to aluminium alloy in any one of the preceding claims wherein, is characterized in that, described impurity comprises at least one in copper, silver, silicon and manganese, and wherein, described aluminium alloy comprises these impurity being not more than 0.04wt.%.
70. according to aluminium alloy in any one of the preceding claims wherein, it is characterized in that, described aluminium alloy comprise be not more than 0.05wt.% any one described in other elements, and wherein, the total amount that described aluminium alloy comprises other elements described is not more than 0.15wt.%.
71. according to aluminium alloy in any one of the preceding claims wherein, it is characterized in that, described aluminium alloy comprise be not more than 0.03wt.% any one described in other elements, and wherein, the total amount that described aluminium alloy comprises other elements described is not more than 0.10wt.%.
Applications Claiming Priority (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US201261722571P | 2012-11-05 | 2012-11-05 | |
| US61/722,571 | 2012-11-05 | ||
| US13/777,709 | 2013-02-26 | ||
| US13/777,709 US20140127076A1 (en) | 2012-11-05 | 2013-02-26 | 5xxx-lithium aluminum alloys, and methods for producing the same |
| PCT/US2013/068014 WO2014071163A1 (en) | 2012-11-05 | 2013-11-01 | Improved 5xxx-lithium aluminum alloys, and methods for producing the same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104769143A true CN104769143A (en) | 2015-07-08 |
Family
ID=50622544
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201380057835.4A Pending CN104769143A (en) | 2012-11-05 | 2013-11-01 | Improved 5xxx-lithium aluminum alloys, and methods for producing the same |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US20140127076A1 (en) |
| EP (1) | EP2914758A4 (en) |
| CN (1) | CN104769143A (en) |
| CA (1) | CA2887438A1 (en) |
| RU (1) | RU2015121360A (en) |
| WO (1) | WO2014071163A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112646994A (en) * | 2020-12-16 | 2021-04-13 | 中南大学 | High-specific-strength high-specific-modulus aluminum alloy and preparation method thereof |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3927860A4 (en) * | 2019-02-20 | 2022-11-23 | Howmet Aerospace Inc. | Improved aluminum-magnesium-zinc aluminum alloys |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5133931A (en) * | 1990-08-28 | 1992-07-28 | Reynolds Metals Company | Lithium aluminum alloy system |
| US5211910A (en) * | 1990-01-26 | 1993-05-18 | Martin Marietta Corporation | Ultra high strength aluminum-base alloys |
| US20020056493A1 (en) * | 1997-09-22 | 2002-05-16 | Daimlerchrysler Ag | Aluminum-based alloy and procedure for its heat treatment |
| US20030226623A1 (en) * | 1998-12-18 | 2003-12-11 | Haszler Alfred Johann Peter | Method for the manufacturing of an aluminium-magnesium-lithium alloy product |
| US20100180992A1 (en) * | 2009-01-16 | 2010-07-22 | Alcoa Inc. | Aging of aluminum alloys for improved combination of fatigue performance and strength |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB8327286D0 (en) * | 1983-10-12 | 1983-11-16 | Alcan Int Ltd | Aluminium alloys |
| DE102010003903A1 (en) * | 2009-04-15 | 2010-10-21 | Aleris Aluminum Koblenz Gmbh | Outer skin panel for a fuselage |
-
2013
- 2013-02-26 US US13/777,709 patent/US20140127076A1/en not_active Abandoned
- 2013-11-01 CN CN201380057835.4A patent/CN104769143A/en active Pending
- 2013-11-01 WO PCT/US2013/068014 patent/WO2014071163A1/en active Application Filing
- 2013-11-01 RU RU2015121360A patent/RU2015121360A/en not_active Application Discontinuation
- 2013-11-01 CA CA2887438A patent/CA2887438A1/en not_active Abandoned
- 2013-11-01 EP EP13851711.5A patent/EP2914758A4/en not_active Withdrawn
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| US20020056493A1 (en) * | 1997-09-22 | 2002-05-16 | Daimlerchrysler Ag | Aluminum-based alloy and procedure for its heat treatment |
| US20030226623A1 (en) * | 1998-12-18 | 2003-12-11 | Haszler Alfred Johann Peter | Method for the manufacturing of an aluminium-magnesium-lithium alloy product |
| US20100180992A1 (en) * | 2009-01-16 | 2010-07-22 | Alcoa Inc. | Aging of aluminum alloys for improved combination of fatigue performance and strength |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112646994A (en) * | 2020-12-16 | 2021-04-13 | 中南大学 | High-specific-strength high-specific-modulus aluminum alloy and preparation method thereof |
| CN112646994B (en) * | 2020-12-16 | 2022-03-04 | 中南大学 | High-specific-strength high-specific-modulus aluminum alloy and preparation method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| US20140127076A1 (en) | 2014-05-08 |
| RU2015121360A (en) | 2016-12-27 |
| CA2887438A1 (en) | 2014-05-08 |
| EP2914758A4 (en) | 2016-06-29 |
| WO2014071163A1 (en) | 2014-05-08 |
| EP2914758A1 (en) | 2015-09-09 |
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