EP2959028A1 - Aluminium alloy for producing semi-finished products or components for motor vehicles, method for producing an aluminium alloy strip consisting of this aluminium alloy, and an aluminium alloy strip and use for same - Google Patents
Aluminium alloy for producing semi-finished products or components for motor vehicles, method for producing an aluminium alloy strip consisting of this aluminium alloy, and an aluminium alloy strip and use for sameInfo
- Publication number
- EP2959028A1 EP2959028A1 EP14705528.9A EP14705528A EP2959028A1 EP 2959028 A1 EP2959028 A1 EP 2959028A1 EP 14705528 A EP14705528 A EP 14705528A EP 2959028 A1 EP2959028 A1 EP 2959028A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- aluminum alloy
- aluminium alloy
- content
- rolling
- strip
- 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
- 229910000838 Al alloy Inorganic materials 0.000 title claims abstract description 185
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 21
- 239000011265 semifinished product Substances 0.000 title claims abstract description 21
- 238000000034 method Methods 0.000 claims abstract description 54
- 239000000956 alloy Substances 0.000 claims abstract description 52
- 229910045601 alloy Inorganic materials 0.000 claims abstract description 51
- 238000005096 rolling process Methods 0.000 claims abstract description 44
- 238000000137 annealing Methods 0.000 claims abstract description 34
- 229910052749 magnesium Inorganic materials 0.000 claims abstract description 24
- 229910052802 copper Inorganic materials 0.000 claims abstract description 22
- 238000005097 cold rolling Methods 0.000 claims abstract description 20
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 13
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 13
- 238000005098 hot rolling Methods 0.000 claims abstract description 9
- 239000000470 constituent Substances 0.000 claims abstract description 3
- 238000000265 homogenisation Methods 0.000 claims description 26
- 238000003801 milling Methods 0.000 claims description 6
- 238000005275 alloying Methods 0.000 claims description 2
- 229910052751 metal Inorganic materials 0.000 abstract description 11
- 239000002184 metal Substances 0.000 abstract description 11
- 238000005266 casting Methods 0.000 abstract description 9
- 229910052719 titanium Inorganic materials 0.000 abstract description 4
- 229910052804 chromium Inorganic materials 0.000 abstract description 3
- 229910052720 vanadium Inorganic materials 0.000 abstract description 3
- 229910052726 zirconium Inorganic materials 0.000 abstract description 3
- 239000004411 aluminium Substances 0.000 abstract 1
- 230000007797 corrosion Effects 0.000 description 56
- 238000005260 corrosion Methods 0.000 description 56
- 239000011777 magnesium Substances 0.000 description 36
- 239000010949 copper Substances 0.000 description 33
- 239000000463 material Substances 0.000 description 16
- 238000012360 testing method Methods 0.000 description 11
- 239000010936 titanium Substances 0.000 description 11
- 229910000831 Steel Inorganic materials 0.000 description 9
- 239000010959 steel Substances 0.000 description 9
- 239000011651 chromium Substances 0.000 description 8
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 6
- 230000000052 comparative effect Effects 0.000 description 5
- 238000009749 continuous casting Methods 0.000 description 5
- 238000009864 tensile test Methods 0.000 description 5
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 4
- 238000001816 cooling Methods 0.000 description 3
- 238000002474 experimental method Methods 0.000 description 3
- 238000009533 lab test Methods 0.000 description 3
- 238000007670 refining Methods 0.000 description 3
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 2
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 2
- 238000009833 condensation Methods 0.000 description 2
- 230000005494 condensation Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000011156 evaluation Methods 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 239000003973 paint Substances 0.000 description 2
- 238000005554 pickling Methods 0.000 description 2
- 239000004925 Acrylic resin Substances 0.000 description 1
- 229920000178 Acrylic resin Polymers 0.000 description 1
- 241000283153 Cetacea Species 0.000 description 1
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 1
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 1
- 239000004809 Teflon Substances 0.000 description 1
- 229920006362 Teflon® Polymers 0.000 description 1
- QCWXUUIWCKQGHC-UHFFFAOYSA-N Zirconium Chemical compound [Zr] QCWXUUIWCKQGHC-UHFFFAOYSA-N 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000007795 chemical reaction product Substances 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000010432 diamond Substances 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 230000008595 infiltration Effects 0.000 description 1
- 238000001764 infiltration Methods 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 238000005304 joining Methods 0.000 description 1
- 239000002655 kraft paper Substances 0.000 description 1
- 238000004890 malting Methods 0.000 description 1
- 229910052748 manganese Inorganic materials 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 238000012946 outsourcing Methods 0.000 description 1
- 238000010422 painting Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000001953 recrystallisation Methods 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 238000010345 tape casting Methods 0.000 description 1
- 238000002255 vaccination Methods 0.000 description 1
- LEONUFNNVUYDNQ-UHFFFAOYSA-N vanadium atom Chemical compound [V] LEONUFNNVUYDNQ-UHFFFAOYSA-N 0.000 description 1
- 238000010792 warming Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 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
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D7/00—Casting ingots, e.g. from ferrous metals
- B22D7/005—Casting ingots, e.g. from ferrous metals from non-ferrous metals
Definitions
- Aluminum alloy for the manufacture of semi-finished products or components for motor vehicles, process for the production of an aluminum alloy strip from this aluminum alloy, and
- Aluminum alloy strip and uses therefor The invention relates to an aluminum alloy for
- the invention relates to a method for
- the mechanical properties are determined, for example, predominantly by the rigidity, which depends in particular on the shape of these parts.
- the strength is subordinate
- Blechschalenbauweise be prepared, such as, a
- Interior metal door with integrated window frame Due to the saving of joining operations, components have cost advantages over a mounted profile solution for the window frame. It would be particularly advantageous if a corresponding semifinished product or component could be formed from an aluminum alloy on a tool for steel components, as in this case on the same tool as needed aluminum or
- Steel components can be manufactured and so investment and operating costs for an additional tool can be reduced or avoided.
- Filiform corrosion is a type of corrosion that occurs in coated components and a understood thread-like course shows. Filiform corrosion occurs at high humidity in the presence of chloride ions.
- coated, in particular painted components such as
- AA 5x x-alloy with high magnesium content combines high strength with a very good formability.
- the present invention has the object to provide an aluminum alloy for the production of semi-finished products or components for motor vehicles is available, which is highly deformable, medium-strength and corrosion-resistant. Weiferhin a corresponding method for the production of aluminum alloy strips is to be provided from this aluminum alloy, which is relatively inexpensive to carry out. Finally, the present invention is also the object of a
- Alloy constituents of the aluminum alloy have the following percentages by weight:
- the aluminum alloy according to the invention is based on the
- Alloy type ⁇ 3xxx in particular A ⁇ 3103 (AlMnl).
- Aluminum alloy according to the invention must be precisely controlled to the desired mechanical properties, namely a yield strength R p o, 2 of at least 45 MPa with a uniform elongation ⁇ g of at least 23% and a
- the combined amount of magnesium and copper must be at least 0.15 wt.%, Preferably at least 0.16 Ge. - ⁇ , in particular at least 0.17 wt .-%, be so the aluminum alloy has sufficient strength,
- the combined amount of Mg and Cu must not exceed 0.25 wt. -%, preferably at most 0.23 wt .-%, in particular at most 0.20 wt. -% are limited, since otherwise equal expansion A g and elongation at break ⁇ 8 ⁇ »fall too much, namely in particular below 23% for A g and below 30% for Aso mra - under the combined share of magnesium and copper is generally the sum of two Einzelanteiie for Mg and Cu in Gew. -% understood.
- Aluminum alloy has a Cu content of not more than 0.20 wt. -%, preferably of at most 0.125 wt. -%, more preferably of at most 0.10 wt. -%, in particular of at most 0.05 wt. -%, and a magnesium content of not more than 0.25 wt. -, Preferably at most 0.2 wt. -% , on. Furthermore, the
- Aluminum alloy preferably has a Mg content of
- the aluminum alloy is at least 0.06% by weight, more preferably at least 0.10% by weight, especially at least 0.15% by weight. -% on.
- the aluminum alloy is at least 0.06% by weight, more preferably at least 0.10% by weight, especially at least 0.15% by weight. -% on.
- an Mg content in the range of 0.08 wt. % to 0.25% by weight.
- the above-described aluminum alloy according to the invention has proved to be highly deformable and medium-strong in tests.
- the aluminum alloy can be used particularly well for semi-finished products and components of motor vehicles whose production comprises complex forming processes.
- the invention also relates to the use of the aforementioned aluminum alloy for producing a semifinished product or component of motor vehicles. With the Aluminum alloy can be achieved in particular even such a good formability that semi-finished and
- Steel components can be reshaped.
- Alloy belongs to, no intergranular corrosion.
- the aluminum alloy according to the invention in laboratory tests showed a significantly better resistance to filiform corrosion than, for example, A ⁇ 8006 alloys.
- the Mn ratio of the alloy of 0.9 to 1.5 wt.
- the elements titanium, chromium, vanadium and in particular zirconium can hinder the recrystallization during the final annealing and thus the formability of the aluminum alloy
- the aluminum alloy Ti, Cr, V and Zr shares of not more than 0.05 wt. -% and preferred
- the Mg content of the aluminum alloy is greater than the Cu content of the aluminum alloy
- Corrosion behavior of the aluminum alloy in particular with respect to the filiform corrosion, further improved.
- tests on filiform corrosion on sheet metal samples of various aluminum alloys have shown that aluminum workpieces according to this first embodiment can be used to produce aluminum workpieces, in particular semi-finished products or components for motor vehicles, which show little or only slight filiform corrosion in the tests.
- the formability of the aluminum alloy is further improved in a further embodiment in that the aluminum alloy has a Cr content - 0.02 wt. -5, preferably .01 wt.%, And / or a V content 0.02 wt %, preferably ⁇ . 0.01 wt. -%, and / or a Zr content ⁇ 0.01 Ge. - on ice. Titanium may be used in continuous casting of the aluminum alloy
- the Aluminum alloy in another embodiment has a Ti content of at least 0.01 wt. -, preferably from
- the material exogenous the aluminum alloy can be improved in a further embodiment in that the aluminum alloy Fe anfeil i 0.7 wt. -%,
- the aluminum alloy preferably has a Si-part of -> 0.4 wt, preferably ⁇ 0.3 Ge. -%,
- the aluminum alloy further preferably has an Fe content of at least 0.10 wt. -I, preferably of at least 0.25 wt. -%, in particular of at least 0.40 wt. -, And / or an Si content of at least 0.06 wt. -i, preferably at least 0.10 wt .-%, in particular at least 0.15 wt -.
- Aluminum alloy containing the following percentages by weight: 0.40 " ⁇ Fe ⁇ 0.70%
- the formability of this alloy can be improved by having the alloy having a V content of 0.02 wt% and / or a Zr content of 0.01 wt%. Furthermore, the grain refining can be improved by a Ti content of at least 0.01 wt .-%. A very good formability with sufficient strength is in a preferred embodiment of
- Alloy components of the aluminum alloy have the following percentages by weight:
- the formability of this alloy can be improved if the alloy has a V fraction of ⁇ 0.02 wt. % and / or a Zr fraction 0.01 wt. - having. Furthermore, the grain refining can be improved by a Ti content of at least 0.01% by weight.
- Process steps include:
- Standard process steps i.e., continuous casting, homogenizing, hot rolling, cold rolling, soft annealing
- does not necessarily require special, complex process steps such as a strip continuous annealing.
- the casting of the rolling ingot is preferably carried out in DC continuous casting.
- a tape casting method may also be used, for example.
- the hot rolling of the rolling ingot takes place at a temperature between 280 ° C and 500 ° C, preferably between 300 ° C and 400 ° C, in particular between 320 ° C and 380 ° C.
- the rolling ingot is preferably rolled down to a thickness between 3 and 12 mm. In this way, it is ensured that in the subsequent cold rolling a sufficiently high degree of rolling, preferably of at least 70 l, in particular of at least 80 °; , which determines the strength, formability and elongation values of the aluminum alloy strip.
- Cold rolling of the aluminum alloy strip can be done in one or more passes. This is preferred
- Aluminum alloy bands are achieved particularly well.
- the final annealing is therefore a recrystallizing soft annealing.
- the final annealing can be carried out in particular in.
- a chamber furnace at 300 ° C to 400 ° C, preferably at 320 ° C to 360 ° C or in a continuous furnace at 450 ° C to 550 ° C, preferably at 470 ° C to 530 ° C.
- the chamber furnace is in operation and purchase less expensive than the continuous furnace.
- the Duration of final annealing in Kaxnmerofen is typically 1 hour or more.
- the method additionally comprises the following method step:
- Aluminum alloy ribbon manufactured end product can be improved. Milling the top and / or bottom of the
- Roll ingot can be done, for example, after casting and before homogenizing the rolling ingot.
- the homogenization is carried out with at least two stages
- first homogenizing at 500 ° C to 600 ° C, preferably at 550 ° C to 600 ° C, for at least 0.5 h, preferably for at least 2 h, and
- Hot rolling temperature which has the rolling bar at the beginning of the subsequent hot rolling step.
- the at least two-stage homogenization in a further embodiment preferably comprises the following steps:
- first homogenization at 500 ° C. to 600 ° C., preferably at 550 ° C. to 600 ° C., for at least 0.5 h, preferably for at least 2 h,
- the at least two-stage homogenization preferably comprises the following steps:
- first homogenization at 500 ° C to 600 ° C, preferably at 550 ° C to 600 ° C, for at least 0.5 h, preferably for at least 2 h,
- a milling of the top and / or bottom of the Waizbarrens between the first homogenization and the second homogenization can be carried out, more preferably after cooling of the rolling ingot to room temperature.
- the degree of rolling during cold rolling is at least 70%
- the degree of rolling during cold rolling is a maximum of 90%, preferably a maximum of 85%.
- Aluminum alloy tape can be prevented.
- the method can be carried out particularly economically in a further embodiment, that the
- annealed in particular at a temperature of 300 ° C to 400 ° C, preferably at a temperature of 330 ° C to 370 ° C.
- the intermediate annealing for example, in a
- the intermediate annealing is in particular an intermediate annealing of the strip.
- the intermediate annealing will preferably carried out when the Abwa 1 zgrad at
- the cold rolling and the intermediate annealing is then preferably carried out so that the Abwalzgrad after the
- the degree of rolling after the intermediate annealing is particularly preferably between 70% and 90%, in particular between 80% and 85%.
- an aluminum alloy strip can be produced, which has the above-mentioned material properties and also a good corrosion resistance to intergranular corrosion and filiform corrosion.
- the aluminum alloy strip according to the invention is particularly well suited for components and semi-finished products for motor vehicles., Especially for coated components such as interior door components.
- the yield strength R p0 , 2 becomes according to DIN EN ISO 6892-1: 2009
- the uniform elongation A g and the elongation at break A 8 omm are also according to DIN EN ISO 6892-1: 2009 with a Flat tensile specimen according to DIN EN ISO 6892-1: 2009, Annex B, form 2.
- the aluminum alloy strip has a thickness in the range of 0.2 to 5 mm, preferably 0.25 to 4 mm, in particular 0.5 to 3.6 mm.
- the desired material properties of the aluminum alloy strip can be achieved particularly well.
- the above-described object is further achieved by the use of the aluminum alloy according to the invention described above for semi-finished products or components for
- the aluminum alloy can according to one embodiment particularly advantageous for interior door components of a
- the aluminum alloy strip and thus the material properties of a sheet produced from this particular for use in the motor vehicle, especially as a door inner panel. Because of the good resistance to filiform corrosion, the aluminum alloy according to the invention or an aluminum alloy produced from the aluminum alloy according to the invention Sheet metal particularly preferably used for coated, in particular painted components of a motor vehicle.
- Alloy components of the aluminum alloy have the following proportions in% by weight:
- a method for producing an aluminum alloy strip from an aluminum alloy according to any one of
- Embodiments 1 to 6 comprising the following
- FIG. 2 shows a flowchart for further exemplary embodiments of the method according to the invention
- FIG. 3 shows a diagram with measurement results from FIG
- FIGS. 4a-4c are photographic images of three sheet metal samples of three different aluminum uminium alloy strips for testing for filiform corrosion and FIGS. 4a-4c are photographic images of three sheet metal samples of three different aluminum uminium alloy strips for testing for filiform corrosion and FIGS. 4a-4c are photographic images of three sheet metal samples of three different aluminum uminium alloy strips for testing for filiform corrosion and FIGS. 4a-4c are photographic images of three sheet metal samples of three different aluminum uminium alloy strips for testing for filiform corrosion and FIGS. 4a-4c
- FIG. 5 shows a component for a motor vehicle according to a
- Fig. 1 shows a flow chart for a first
- a rolling ingot is cast from an aluminum alloy according to the invention.
- the casting can be done for example in DC continuous casting or strip casting.
- the ingot is homogenized in step 4 at a temperature in the range of 480 ° C to 600 ° C for at least 0.5 hours.
- step 6 the
- Rolling bar then hot rolled at a temperature in the range of 280 ° C to 500 ° C to a final thickness between 3 and 12 mm.
- the hot strip hot rolled from the billet is then cold rolled in step 8 to a final thickness of preferably 0.2 mm to 5 mm.
- a final annealing of the aluminum alloy strip takes place in step 10, for example in a chamber furnace at a temperature between 300 ° C. and 400 ° C. or in a continuous furnace between 450 ° C. and 550 ° C.
- Homogenizing in step 4 may be optional in one step the top and / or bottom of the rolling ingot are milled.
- the aluminum alloy ribbon may be broken during the
- Cold rolling in step 8 optionally be annealed in a step 14, preferably in a chamber furnace at a temperature between 300 ° C and 400 ° C.
- the degree of rolling in cold rolling is approximately 96.7%.
- the hot strip may first be rolled to 2 mm in a first quill pass, then intermediate annealed, and finally rolled to 0.4 mm in a second cold roll pass.
- Abwalzgrad after the intermediate annealing is then only 80 and is thus in a preferred range.
- FIG. 2 shows part of a flow chart for further exemplary embodiments of the method according to the invention. The procedure of these ⁇ us enclosuresbeiself agrees
- FIG. 2 shows possible sequences of the individual steps of step 16. Accordingly, after casting the rolling ingot in step 2 or after milling the rolling ingot in step 12 in the first partial step 18 of step 16, a first first takes place
- the second homogenization in the range of 450 ° C and 550 ° C cooled before then in the subsequent step 22 at this temperature, the second homogenization for at least 0.5 h, preferably for at least 2 h, takes place.
- the ingot may also first open
- step 24 and step 26 optionally the top and / or bottom of the malting bar can be milled.
- Alloys Nos. 4-9 are embodiments of the invention alloy (E), while alloys Nos. 1-3 and 10-13
- each of these alloys 1 to 13 was cast in DC continuous casting a billet with a thickness of 600 mm, which was then homogenized in two stages, first for several hours at about 580 0 C and then for several hours at approximately
- the aluminum alloy ribbons were examined for their mechanical properties, in particular their strength and malleability.
- n the solidification exponent n (n-value), measured in the tensile test perpendicular to the rolling direction of the sheet according to DIN ISO 10275: 2009, the vertical anisotropy r (r- ert) measured in the tensile test perpendicular to the rolling direction of the sheet
- the camber SZ 32 was determined in the Erichsen creep test according to DIN EN ISO 20482, with a thickness matched to the sheet thickness
- Alloy preferably has a value SZ 32 - 15.8 mm
- the aluminum alloys N. 4 - 9 with the same strength only a slightly worse formability than the comparative alloy AA 8006.
- the aluminum alloys No. 4 9 have the advantage over the alloy A ⁇ 8006 that they have a significantly better corrosion resistance. Intercrystalline corrosion occurs in alloys from. Type AA 3xxx basically not on.
- Aluminum alloys such as aluminum alloys Nos. 4 - 9 or aluminum alloy strips produced from these aluminum alloys, especially suitable for coated components.
- Aluminum alloy ribbons each of the following
- test carried out for filiform corrosion includes the following steps in the order listed:
- FIG. 4 a shows the sheet sample of the comparative alloy AA8006,
- FIG. 4 b shows the sheet sample
- Embodiment No. 5 and Figure 4c shows the sheet sample according to Embodiment No. 6.
- incised scribe line dark line running from top to bottom
- the filiform corrosion spreads essentially across the scribe line
- the figures each show a ruler with centimeter scale placed on the sample.
- the sheet sample of the comparative alloy AA8006 shows a strong Filiform corrosion.
- the scribe line, in Fig. 4a, is almost entirely of the white thread-like structures of Figs.
- the subterranean depth ie the extent of the threadlike structures starting from the scribe line, is up to 6 mm.
- the Sample No. 5 metal sample shows a considerably lower amount of filiform corrosion.
- the density of the thread-like structures of filiform corrosion is significantly lower in the scribe line in FIG.
- FIG. 5 shows a schematic representation of a typical component of a motor vehicle in the form of a door inner part.
- Such door inner parts 40 are usually made of steel produced. However, steel components are heavy and susceptible to corrosion with equal rigidity.
- Aluminum alloys such as the
- Aluminum alloy ribbons Nos. 4-9 aluminum alloy ribbons can be made that are highly deformable, medium strength, and highly corrosion resistant, especially over
- Kraft vehicle components such as the door inner part 40.
- the good resistance to filiform corrosion is particularly when using the aluminum alloys for coated, especially painted components, such as
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Metal Rolling (AREA)
- Continuous Casting (AREA)
Abstract
Description
Claims
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP14705528.9A EP2959028B2 (en) | 2013-02-21 | 2014-02-20 | Use of an aluminium alloy for the production of semi-finished products or components for motor vehicles |
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP13156100.3A EP2770071B9 (en) | 2013-02-21 | 2013-02-21 | Aluminium alloy for the production of semi-finished products or components for motor vehicles, method for producing an aluminium alloy strip from this aluminium alloy and aluminium alloy strip and uses thereof |
EP14705528.9A EP2959028B2 (en) | 2013-02-21 | 2014-02-20 | Use of an aluminium alloy for the production of semi-finished products or components for motor vehicles |
PCT/EP2014/053323 WO2014128212A1 (en) | 2013-02-21 | 2014-02-20 | Aluminium alloy for producing semi-finished products or components for motor vehicles, method for producing an aluminium alloy strip consisting of this aluminium alloy, and an aluminium alloy strip and use for same |
Publications (3)
Publication Number | Publication Date |
---|---|
EP2959028A1 true EP2959028A1 (en) | 2015-12-30 |
EP2959028B1 EP2959028B1 (en) | 2016-07-27 |
EP2959028B2 EP2959028B2 (en) | 2019-07-10 |
Family
ID=47739152
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
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EP13156100.3A Active EP2770071B9 (en) | 2013-02-21 | 2013-02-21 | Aluminium alloy for the production of semi-finished products or components for motor vehicles, method for producing an aluminium alloy strip from this aluminium alloy and aluminium alloy strip and uses thereof |
EP14705528.9A Active EP2959028B2 (en) | 2013-02-21 | 2014-02-20 | Use of an aluminium alloy for the production of semi-finished products or components for motor vehicles |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
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EP13156100.3A Active EP2770071B9 (en) | 2013-02-21 | 2013-02-21 | Aluminium alloy for the production of semi-finished products or components for motor vehicles, method for producing an aluminium alloy strip from this aluminium alloy and aluminium alloy strip and uses thereof |
Country Status (10)
Country | Link |
---|---|
US (1) | US10501833B2 (en) |
EP (2) | EP2770071B9 (en) |
JP (1) | JP6143892B2 (en) |
KR (1) | KR101656419B1 (en) |
CN (1) | CN105008563B (en) |
CA (1) | CA2899991C (en) |
ES (2) | ES2621871T3 (en) |
PT (2) | PT2770071T (en) |
RU (1) | RU2637458C2 (en) |
WO (1) | WO2014128212A1 (en) |
Families Citing this family (23)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR3008427B1 (en) * | 2013-07-11 | 2015-08-21 | Constellium France | ALUMINUM ALLOY SHEET FOR AUTOMOBILE BODY STRUCTURE |
EP3178952B9 (en) | 2014-03-28 | 2021-07-14 | Hydro Aluminium Rolled Products GmbH | High plasticity moderate strength aluminium alloy for manufacturing semi-finished products or components of motor vehicles |
CN105593392B (en) * | 2014-04-09 | 2017-08-29 | 日本轻金属株式会社 | Bendability and the excellent high-strength aluminium alloy plate of shape freezing and its manufacture method |
EP3191611B2 (en) | 2014-09-12 | 2022-05-25 | Novelis Inc. | Alloys for highly shaped aluminum products and methods of making the same |
CN104264009B (en) * | 2014-09-30 | 2016-11-23 | 国网河南省电力公司周口供电公司 | A kind of high-iron aluminum alloy conductor material and annealing process thereof |
TR201806865T4 (en) | 2014-11-27 | 2018-06-21 | Hydro Aluminium Rolled Prod | HEAT TRANSFORMER, USE OF AN ALUMINUM ALLOY AND AN ALUMINUM TAPE AS A METHOD FOR PRODUCING AN ALUMINUM TAPE |
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PT2959028T (en) | 2016-09-19 |
ES2621871T3 (en) | 2017-07-05 |
EP2770071B1 (en) | 2017-02-01 |
CA2899991A1 (en) | 2014-08-28 |
EP2959028B1 (en) | 2016-07-27 |
US10501833B2 (en) | 2019-12-10 |
JP2016514206A (en) | 2016-05-19 |
RU2637458C2 (en) | 2017-12-04 |
CA2899991C (en) | 2017-05-02 |
PT2770071T (en) | 2017-04-19 |
WO2014128212A1 (en) | 2014-08-28 |
EP2770071A1 (en) | 2014-08-27 |
EP2770071B9 (en) | 2020-08-12 |
EP2770071B2 (en) | 2020-04-01 |
ES2590779T3 (en) | 2016-11-23 |
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ES2590779T5 (en) | 2020-03-11 |
CN105008563A (en) | 2015-10-28 |
EP2959028B2 (en) | 2019-07-10 |
KR20150119369A (en) | 2015-10-23 |
KR101656419B1 (en) | 2016-09-09 |
JP6143892B2 (en) | 2017-06-07 |
CN105008563B (en) | 2018-05-25 |
RU2015139899A (en) | 2017-03-24 |
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