EP1518000B1 - Al-cu-mg-ag-legierung mit si, halbzeug aus einer solchen legierung sowie verfahren zur herstellung eines solchen halbzeuges - Google Patents
Al-cu-mg-ag-legierung mit si, halbzeug aus einer solchen legierung sowie verfahren zur herstellung eines solchen halbzeuges Download PDFInfo
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- EP1518000B1 EP1518000B1 EP02751094A EP02751094A EP1518000B1 EP 1518000 B1 EP1518000 B1 EP 1518000B1 EP 02751094 A EP02751094 A EP 02751094A EP 02751094 A EP02751094 A EP 02751094A EP 1518000 B1 EP1518000 B1 EP 1518000B1
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- 229910045601 alloy Inorganic materials 0.000 title claims abstract description 89
- 239000000956 alloy Substances 0.000 title claims abstract description 89
- 239000011265 semifinished product Substances 0.000 title claims abstract description 31
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 9
- 229910000861 Mg alloy Inorganic materials 0.000 title abstract 2
- 229910001316 Ag alloy Inorganic materials 0.000 title 1
- 239000010949 copper Substances 0.000 claims abstract description 16
- 239000011777 magnesium Substances 0.000 claims abstract description 16
- 239000011572 manganese Substances 0.000 claims abstract description 16
- 239000010936 titanium Substances 0.000 claims abstract description 14
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 12
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 11
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 claims abstract description 11
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims abstract description 10
- 229910052802 copper Inorganic materials 0.000 claims abstract description 10
- 229910052748 manganese Inorganic materials 0.000 claims abstract description 10
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 claims abstract description 9
- 229910052749 magnesium Inorganic materials 0.000 claims abstract description 9
- 239000000203 mixture Substances 0.000 claims abstract description 9
- 230000003068 static effect Effects 0.000 claims abstract description 9
- 229910052719 titanium Inorganic materials 0.000 claims abstract description 9
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims abstract description 8
- 229910052710 silicon Inorganic materials 0.000 claims abstract description 8
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 claims abstract description 7
- 238000000034 method Methods 0.000 claims abstract description 7
- 239000010703 silicon Substances 0.000 claims abstract description 7
- 229910052709 silver Inorganic materials 0.000 claims abstract description 7
- 239000004332 silver Substances 0.000 claims abstract description 6
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 4
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 4
- 229910000914 Mn alloy Inorganic materials 0.000 claims abstract description 3
- VSZWPYCFIRKVQL-UHFFFAOYSA-N selanylidenegallium;selenium Chemical compound [Se].[Se]=[Ga].[Se]=[Ga] VSZWPYCFIRKVQL-UHFFFAOYSA-N 0.000 claims abstract 2
- 238000005242 forging Methods 0.000 claims description 8
- 238000005275 alloying Methods 0.000 claims description 5
- 238000010791 quenching Methods 0.000 claims description 5
- 230000000171 quenching effect Effects 0.000 claims description 5
- QCWXUUIWCKQGHC-UHFFFAOYSA-N Zirconium Chemical compound [Zr] QCWXUUIWCKQGHC-UHFFFAOYSA-N 0.000 claims description 4
- 230000032683 aging Effects 0.000 claims description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 4
- 229910052726 zirconium Inorganic materials 0.000 claims description 4
- 238000010438 heat treatment Methods 0.000 claims description 3
- 229910052742 iron Inorganic materials 0.000 claims description 3
- 230000035882 stress Effects 0.000 claims description 3
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical group [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 claims description 2
- 239000004411 aluminium Substances 0.000 claims description 2
- 238000005266 casting Methods 0.000 claims description 2
- 238000009826 distribution Methods 0.000 claims description 2
- 229910018575 Al—Ti Inorganic materials 0.000 claims 1
- 230000004927 fusion Effects 0.000 claims 1
- 238000005096 rolling process Methods 0.000 claims 1
- 238000012360 testing method Methods 0.000 description 12
- 238000010586 diagram Methods 0.000 description 5
- 229910000838 Al alloy Inorganic materials 0.000 description 4
- 229910000951 Aluminide Inorganic materials 0.000 description 3
- 238000009661 fatigue test Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- 229920001187 thermosetting polymer Polymers 0.000 description 3
- 229910017818 Cu—Mg Inorganic materials 0.000 description 2
- 238000003379 elimination reaction Methods 0.000 description 2
- QYEXBYZXHDUPRC-UHFFFAOYSA-N B#[Ti]#B Chemical compound B#[Ti]#B QYEXBYZXHDUPRC-UHFFFAOYSA-N 0.000 description 1
- 229910019015 Mg-Ag Inorganic materials 0.000 description 1
- 229910001069 Ti alloy Inorganic materials 0.000 description 1
- 229910033181 TiB2 Inorganic materials 0.000 description 1
- 229910007727 Zr V Inorganic materials 0.000 description 1
- OWXLRKWPEIAGAT-UHFFFAOYSA-N [Mg].[Cu] Chemical compound [Mg].[Cu] OWXLRKWPEIAGAT-UHFFFAOYSA-N 0.000 description 1
- 238000000137 annealing Methods 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 229910052796 boron Inorganic materials 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000009749 continuous casting Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 230000001376 precipitating effect Effects 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000007670 refining Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 229910052845 zircon Inorganic materials 0.000 description 1
- GFQYVLUOOAAOGM-UHFFFAOYSA-N zirconium(iv) silicate Chemical compound [Zr+4].[O-][Si]([O-])([O-])[O-] GFQYVLUOOAAOGM-UHFFFAOYSA-N 0.000 description 1
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Classifications
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- 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
-
- 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
- C22C21/16—Alloys based on aluminium with copper as the next major constituent with magnesium
Definitions
- the invention relates to an Al-Cu-Mg-Mn alloy for the production of semi-finished products with high static and dynamic strength properties. Furthermore, the invention relates to a semifinished product from such an alloy with high static and dynamic strength properties and a method for producing such Semi-finished product.
- Static and dynamically high load aluminum alloys are about the alloys AA 2014, AA 2214. These are made of Al alloys in the hot-hardened state, for example, drop forgings for wheel and braking systems manufactured by aircraft. While the mentioned Strength properties of the produced from such an alloy Semi-finished products, especially at lower temperatures to the semi-finished to own are, so take these properties at temperatures of more than 100 ° C faster than with alloys of group AA 2618. Semi-finished products from such alloys have a higher heat resistance and are used, for example, as compressor wheels for rechargeable diesel engines or for rotors of ultracentrifuges. At temperatures below 100 ° C however, are the aluminum alloys of Group AA 2014 and AA 2214 higher load capacity.
- the wheel brake system of aircraft is created during braking a considerable heat development. This also leads in the wheels, the typically made of AA 2014 or AA 2214 alloy, to temperature increases. These can be an early aging of this Alloying and associated with a strong limitation of Lifetime of the component.
- the invention has the object, such an alloy, a manufactured from such an alloy semi-finished with high static and dynamic load capacity, high heat resistance, high fracture toughness and high creep resistance, and a method of manufacturing to provide such a semi-finished product.
- the claimed alloy has over the prior art alloys AA 2014 and AA 2214 have a higher static and dynamic Heat resistance and improved creep resistance at the same time very good fracture mechanical properties. These will be particular at a copper-magnesium ratio between 5 and 9.5, in particular achieved at a ratio between 6.3 and 9.3.
- the copper content is preferably between 3.8 and 4.2 wt .-% and the magnesium content between 0.45 and 0.6% by weight.
- the copper content is clearly under the maximum solubility for copper in the presence of the claimed Magnesium content. This has the consequence that the proportion of insoluble, copper-containing phases also taking into account the rest Alloy and accompanying elements is very low. This results an improvement in terms of dynamic properties and the Fracture toughness of the semi-finished products produced from such an alloy.
- the manganese content of the claimed alloy is 0.1 to 0.5% by weight. preferably 0.2-0.4% by weight.
- the manganese content is 0.4 % By weight limited. In principle, however, manganese is one of the microstructural controls required alloying component.
- Microstructure contains the alloy zirconium between 0.10-0.25% by weight, preferably 0.14-0.20% by weight.
- the precipitating zirconium aluminides are usually even more finely dispersed than manganese aluminides.
- the zirconium aluminides for contribute to thermal stability of the alloy.
- the alloy is 0.05-0.15% by weight, preferably 0.10%. 0.15 wt .-% titanium added.
- the titanium of the alloy added in the form of an Al-5Ti-1B master alloy, whereby the alloy automatically contains boron. This form finely distributed, not soluble titanium diboride. These contribute to the thermal stability the alloy.
- the alloy can not exceed 0.15% Iron, preferably 0.10% iron.
- Table 1 reproduced below gives the chemical composition of four alloys according to the invention (B, C, D, E) and the composition of the comparatively investigated alloys AA 2214 and AA 2618 (data in% by weight) (nb: not determined): alloy Si Fe Cu Mn mg Ni Zn Ti Ag Zr V B 0.47 0.08 4.40 0,200 0.58 0,003 0.048 0.135 0.45 0,150 0,018 C 0.47 0.08 3.64 0.210 0.59 0,003 0,015 0.115 0.52 0,150 0,017 D 0.47 0.08 3.87 0,200 0.61 0,003 0,015 0,117 0.52 0,150 0.019 e 0.52 0.08 4.14 0,200 0.61 0,003 0.02 0.115 0,44 0,150 0,018 AA 2214 0.77 0.17 4.29 0.883 0.57 0,003 0.031 0.024 0,003 0,007 nb AA 2618 0.22 1.1 2.58 0,020 1.53 1,007 0.043 0.059 0,003 0,002 nb
- the improved strengths of the alloy according to the invention can be clearly seen from Tables 2 and 3. So shows For example, the previously known alloy AA 2214, although good strength values at room temperature, but not at higher temperatures. Moreover, the creep resistance as well as the fracture toughness are not only at room temperature but especially at higher temperatures in the claimed alloy significantly better than in the prior art Alloys. It is also clear from this comparison that the examined prior art alloys in each case only in relation have good properties on individual strength parameters. In none In case these show good properties for all relevant strength values both at room temperature and at elevated temperatures on. As well as the fatigue properties is the creep resistance this prior art alloy unsatisfactory. about All tested strength parameters very good properties are found exclusively in the alloy according to the invention.
- the step of quenching the solution-annealed Semi-finished product can be used in a temperature range between Room temperature and 100 ° C (boiling) in water. Likewise it is possible to use a water-glycol mixture for quenching, however, its temperature should not exceed 50 ° C.
- the step of Thermosetting is feasible over a period of 5 to 35 hours, preferably between 10 and 25 hours in a temperature window between 170 ° C and 210 ° C.
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Forging (AREA)
- Conductive Materials (AREA)
- Powder Metallurgy (AREA)
Description
Cu 4,5; Fe 0,08; Mg 0,45; Mn 0,30; Si 0,07; Ag 0,41; Ti 0,06; Zr 0,18; Al Rest enthält.
und insbesondere auch aus diesem Grund zur Herstellung von Flugzeugrädern nicht geeignet. Ferner ist Titan aufgrund seiner begrenzten Wärmeleitfähigkeit als Räderwerkstoff weniger gut geeignet.
- Fig. 1:
- Ein Diagramm, darstellend die 0,2 %-Dehngrenze und die Zugfestigkeit der erfindungsgemäßen Legierung im Zustand T6 im Vergleich zu vorbekannten Legierungen in Abhängigkeit von der Prüftemperatur,
- Fig. 2:
- ein Diagramm, darstellend die Zeitstandfestigkeit der erfindungsgemäßen Legierung im Zustand T6 im Vergleich zu vorbekannten Legierungen,
- Fig. 3:
- ein Diagramm, darstellend die 0,2 %-Dehngrenze und die Zugfestigkeit von aus der erfindungsgemäßen Legierung hergestellten Flugzeugrädern im Vergleich zu solchen, hergestellt aus vorbekannten Legierungen, und
- Fig. 4a, 4b:
- Diagramme, darstellend die Ermüdungsfestigkeit der erfindungsgemäßen Legierung im Vergleich zu einer vorbekannten Legierung im Zustand T6 bei Raumtemperatur und bei einer Temperatur von 200°C.
Legierung | Si | Fe | Cu | Mn | Mg | Ni | Zn | Ti | Ag | Zr | V |
B | 0,47 | 0,08 | 4,40 | 0,200 | 0,58 | 0,003 | 0,048 | 0,135 | 0,45 | 0,150 | 0,018 |
C | 0,47 | 0,08 | 3,64 | 0,210 | 0,59 | 0,003 | 0,015 | 0,115 | 0,52 | 0,150 | 0,017 |
D | 0,47 | 0,08 | 3,87 | 0,200 | 0,61 | 0,003 | 0,015 | 0,117 | 0,52 | 0,150 | 0,019 |
E | 0,52 | 0,08 | 4,14 | 0,200 | 0,61 | 0,003 | 0,02 | 0,115 | 0,44 | 0,150 | 0,018 |
AA 2214 | 0,77 | 0,17 | 4,29 | 0,883 | 0,57 | 0,003 | 0,031 | 0,024 | 0,003 | 0,007 | n. b. |
AA 2618 | 0,22 | 1,1 | 2,58 | 0,020 | 1,53 | 1,007 | 0,043 | 0,059 | 0,003 | 0,002 | n. b. |
Festigkeitswerte bei RT | Bruchzähigkeit bei RT | |||||
Legierung | Probenrichtung | Rp02 (MPa) | Rm (MPa) | A5 (%) | Probenrichtung | KIC (MPa√m) |
C | L | 448 | 485 | 11,2 | T - L | 31,3 |
LT | 427 | 471 | 7,2 | S - L | 29,5 | |
ST | 417 | 479 | 6,3 | S - T | 32,2 | |
D | L | 456 | 495 | 10,7 | T - L | 28,3 |
LT | 434 | 478 | 8,0 | S - L | 29,1 | |
ST | 429 | 484 | 5,5 | S - T | 29,6 | |
E | L | 454 | 494 | 9,9 | T - L | 26,1 |
LT | 446 | 493 | 6,4 | S - L | 25,5 | |
ST | 438 | 494 | 4,9 | S - T | 26,9 | |
AA 2214 | L | 444 | 489 | 9,7 | T - L | 24,2 |
LT | 439 | 483 | 6,4 | S - L | 25,9 | |
ST | 429 | 480 | 5,8 | S - T | 27,3 | |
AA 2219 | L | 286 | 408 | 16,7 | T - L | 31,1 |
LT | 288 | 403 | 8,4 | S - L | 34,4 | |
ST | 366 | 455 | 5,0 | S - T | 32,3 | |
AA 2618 | L | 389 | 443 | 5,1 | T - L | 19,2 |
LT | 383 | 437 | 4,7 | S - L | 16,7 | |
ST | 376 | 427 | 4,1 | S - T | 19,3 |
Legierung | E | AA 2214 | AA 2618 | |||||||
TPrüf | tHalt | Rp02 | Rm | A5 | Rp02 | Rm | A5 | Rp02 | Rm | A5 |
(°C) | (h) | (MPa) | (MPa) | (%) | (MPa) | (MPa) | (%) | (MPa) | (Mpa) | (%) |
20 | 1 | 454 | 494 | 9,9 | 444 | 489 | 9,6 | 380 | 434 | 6,5 |
50 | 1 | 453 | 493 | 12,6 | 443 | 485 | 9,8 | 382 | 433 | 6,1 |
100 | 1 | 449 | 474 | 13,0 | 425 | 458 | 11,0 | 374 | 423 | 6,5 |
150 | 1 | 404 | 417 | 14,3 | 403 | 424 | 13,6 | 366 | 404 | 7,6 |
170 | 1 | 403 | 416 | 16,3 | 382 | 400 | 13,6 | 382 | 389 | 9,6 |
200 | 1 | 355 | 372 | 18,0 | 348 | 368 | 13,8 | 340 | 359 | 12,2 |
220 | 1 | 340 | 351 | 18,0 | 324 | 344 | 14,2 | 301 | 332 | 12,4 |
250 | 1 | 268 | 282 | 19,0 | 250 | 268 | 16,1 | 282 | 300 | 14,7 |
Definition Probenrichtungen: L = Längsrichtung: parallel zur Hauptformänderungsrichtung LT = Lange Querrichtung: parallel zur Breitenrichtung ST = Kurze Querrichtung: parallel zur Dickenrichtung. |
Legierung | |||||||||||
E | 2214 | 2618 | |||||||||
TPrüf | σPrüf | TBruch | LMP | Tprüf | σPrüf | tBruch | LMP | TPrüf | σPrüf | tBruch | LMP |
(°C) | (MPa) | (h) | (-) | (°C) | (MPa) | (h) | (-) | (°C) | (MPa) | (h) | (-) |
180 | 185 | 2513 | 10,60 | 205 | 200 | 30 | 10,27 | 205 | 183 | 10 | 10,04 |
167 | 4762 | 10,82 | 190 | 50 | 10,38 | 179 | 50 | 10,38 | |||
181 | 100 | 10,52 | 175 | 100 | 10,52 | ||||||
130 | 500 | 10,85 | 163 | 500 | 10,85 | ||||||
100 | 800 | 10,95 | 159 | 1000 | 11,00 |
Claims (14)
- Al-Cu-Mg-Mn-Legierung zur Herstellung von Halbzeugen mit hohen statischen und dynamischen Festigkeitseigenschaften, dadurch gekennzeichnet, dass die Legierung folgende Zusammensetzung aufweist:0,3 - 0,7 Gew.-% Silizium (Si)max. 0,15 Gew.-% Eisen (Fe)3,5 - 4,5 Gew.-% Kupfer (Cu)0,1 - 0,5 Gew.-% Mangan (Mn)0,3 - 0,8 Gew.-% Magnesium (Mg)0,05 - 0,15 Gew.-% Titan (Ti)0,1 - 0,25 Gew.-% Zirkon (Zr)0,3 - 0,7 Gew.-% Silber (Ag)max. 0,05 Gew.-% andere, einzelnmax. 0,15 Gew.-% andere, insgesamtRest Gew.-% Aluminium (Al).
- Legierung nach Anspruch 1, dadurch gekennzeichnet, dass das Kupfer-Magnesium-Verhältnis zwischen 5 und 9,5 beträgt.
- Legierung nach Anspruch 2, dadurch gekennzeichnet, dass der Kupfergehalt 3,8 - 4,2 Gew.-% und der Magnesiumgehalt 0,45 - 0,6 Gew.-% und das Kupfer-Magnesium-Verhältnis zwischen 6,3 und 9,3 beträgt.
- Legierung nach einen der Ansprüche 1 bis 3, dadurch gekennzeichnet, dass der Silbergehalt 0,45 - 0,6 Gew.-% beträgt.
- Legierung nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, dass der Siliziumgehalt 0,4 - 0,6 Gew.-% beträgt.
- Legierung nach einem der Ansprüche 1 - 5, dadurch gekennzeichnet, dass der Mangangehalt 0,2 - 0,4 Gew.-% beträgt.
- Legierung nach einem der Ansprüche 1 - 6, dadurch gekennzeichnet, dass der Zirkongehalt 0,14 - 0,20 Gew.-% beträgt.
- Legierung nach einem der Ansprüche 1 - 7, dadurch gekennzeichnet, dass der Titangehalt 0,10 - 0,15 Gew.-% beträgt.
- Legierung nach einem der Ansprüche 1 - 8, dadurch gekennzeichnet, dass die Titankomponente zum Herstellen der Legierung als Al-Ti-B-Vorlegierung zulegiert ist und der Boranteil 0,01 - 0,03 Gew.-% beträgt.
- Legierung nach einem der Ansprüche 1 - 9, dadurch gekennzeichnet, dass der Eisengehalt der Legierung max. 0,10 Gew.-% beträgt.
- Halbzeug hergestellt aus einer Legierung nach einem der Ansprüche 1 bis 10, dadurch gekennzeichnet, dass dieses durch einen Warmumformprozess hergestellt ist.
- Verfahren zum Herstellen eines Halbzeuges nach Anspruch 11 gekennzeichnet durch folgende Schritte:a) Gießen eines Barrens aus einer Legierung,b) Homogenisieren des gegossenen Barrens bei einer Temperatur, die möglichst dicht unter der Anschmelztemperatur der Legierung liegt für eine Zeit, die ausreichend lang bemessen ist, um eine möglichst gleichmäßige Verteilung der Legierungselemente im Gussgefüge zu erreichen,c) Warmumformen des homogenisierten Barrens durch Schmieden und/oder Schmieden und/oder Walzen bei Temperaturen zwischen 320 °C und 470 °C,d) Lösungsglühen des umgeformten Halbzeuges bei Temperaturen, die ausreichend hoch sind, um die für die Aushärtung notwendigen Legierungselemente gleichmäßig im Gefüge verteilt in Lösung zu bringen, wobei das Lösungsglühen in einem Temperaturbereich zwischen 490 und 505 °C über einen Zeitraum von 30 Minuten bis 5 Stunden erfolgt,e) Abschrecken des lösungsgeglühten Halbzeugs entweder im Wasser mit einer Temperatur von max. 100 °C oder in einem Wasser-Glykol-Gemisch bei einer Temperatur kleiner oder gleich 50 °C undf) Warmaushärten des abgeschreckten Halbzeuges bei Temperaturen zwischen 170 und 210 °C über einen Zeitraum von 5 h bis 35 h.
- Verfahren nach Anspruch 12, dadurch gekennzeichnet, dass zwischen dem Schritt des Abschreckens und dem Schritt des Warmaushärtens ein Kaltumformschritt vorgesehen ist, bei dem das abgeschreckte Halbzeug zur Reduzierung der Eigenspannungen gestaucht oder gereckt wird um einen Betrag zwischen 1 und 5 %
- Verfahren nach Anspruch 12 oder 13, dadurch gekennzeichnet, dass der Schritt des Warmaushärtens über einen Zeitraum von 10 und 25 Stunden durchgeführt wird.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/EP2002/007193 WO2004003244A1 (de) | 2002-06-29 | 2002-06-29 | Al-cu-mg-ag-legierung mit si, halbzeug aus einer solchen legierung sowie verfahren zur herstellung eines solchen halbzeuges |
Publications (2)
Publication Number | Publication Date |
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EP1518000A1 EP1518000A1 (de) | 2005-03-30 |
EP1518000B1 true EP1518000B1 (de) | 2005-08-31 |
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EP02751094A Expired - Lifetime EP1518000B1 (de) | 2002-06-29 | 2002-06-29 | Al-cu-mg-ag-legierung mit si, halbzeug aus einer solchen legierung sowie verfahren zur herstellung eines solchen halbzeuges |
Country Status (6)
Country | Link |
---|---|
US (1) | US7214279B2 (de) |
EP (1) | EP1518000B1 (de) |
AT (1) | ATE303457T1 (de) |
AU (1) | AU2002368060A1 (de) |
DE (1) | DE50204136D1 (de) |
WO (1) | WO2004003244A1 (de) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2559779A1 (de) | 2011-08-17 | 2013-02-20 | Otto Fuchs KG | Warmfeste Al-Cu-Mg-Ag-Legierung sowie Verfahren zur Herstellung eines Halbzeuges oder Produktes aus einer solchen Aluminiumlegierung |
Families Citing this family (20)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7449073B2 (en) * | 2004-07-15 | 2008-11-11 | Alcoa Inc. | 2000 Series alloys with enhanced damage tolerance performance for aerospace applications |
US7547366B2 (en) * | 2004-07-15 | 2009-06-16 | Alcoa Inc. | 2000 Series alloys with enhanced damage tolerance performance for aerospace applications |
US8083871B2 (en) | 2005-10-28 | 2011-12-27 | Automotive Casting Technology, Inc. | High crashworthiness Al-Si-Mg alloy and methods for producing automotive casting |
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CN108103373B (zh) * | 2017-12-28 | 2019-11-19 | 中南大学 | 一种含银Al-Cu-Mg合金及获得高强度P织构的热处理方法 |
CN109898000B (zh) * | 2019-03-29 | 2020-12-15 | 郑州轻研合金科技有限公司 | 一种超高强耐热铝合金及其制备方法 |
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CN114855039B (zh) * | 2021-02-03 | 2023-06-23 | 中国石油化工股份有限公司 | 一种Al-Cu-Mg-Ag合金及其制备方法和应用 |
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US3475166A (en) * | 1969-01-15 | 1969-10-28 | Electronic Specialty Co | Aluminum base alloy |
GB1320271A (en) | 1971-01-29 | 1973-06-13 | Atomic Energy Authority Uk | Aluminium alloys |
JPH03107440A (ja) * | 1989-09-20 | 1991-05-07 | Showa Alum Corp | ロードセル用アルミニウム合金 |
-
2002
- 2002-06-29 US US10/501,574 patent/US7214279B2/en not_active Expired - Lifetime
- 2002-06-29 AU AU2002368060A patent/AU2002368060A1/en not_active Abandoned
- 2002-06-29 EP EP02751094A patent/EP1518000B1/de not_active Expired - Lifetime
- 2002-06-29 AT AT02751094T patent/ATE303457T1/de not_active IP Right Cessation
- 2002-06-29 DE DE50204136T patent/DE50204136D1/de not_active Expired - Lifetime
- 2002-06-29 WO PCT/EP2002/007193 patent/WO2004003244A1/de not_active Application Discontinuation
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2559779A1 (de) | 2011-08-17 | 2013-02-20 | Otto Fuchs KG | Warmfeste Al-Cu-Mg-Ag-Legierung sowie Verfahren zur Herstellung eines Halbzeuges oder Produktes aus einer solchen Aluminiumlegierung |
WO2013023907A1 (de) | 2011-08-17 | 2013-02-21 | Otto Fuchs Kg | Warmfeste al-cu-mg-ag-legierung sowie verfahren zur herstellung eines halbzeuges oder produktes aus einer solchen aluminiumlegierung |
Also Published As
Publication number | Publication date |
---|---|
AU2002368060A1 (en) | 2004-01-19 |
DE50204136D1 (de) | 2005-10-06 |
WO2004003244A1 (de) | 2004-01-08 |
ATE303457T1 (de) | 2005-09-15 |
EP1518000A1 (de) | 2005-03-30 |
US7214279B2 (en) | 2007-05-08 |
US20050115645A1 (en) | 2005-06-02 |
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