EP2450463B1 - Alliage d'aluminium - Google Patents
Alliage d'aluminium Download PDFInfo
- Publication number
- EP2450463B1 EP2450463B1 EP20110165256 EP11165256A EP2450463B1 EP 2450463 B1 EP2450463 B1 EP 2450463B1 EP 20110165256 EP20110165256 EP 20110165256 EP 11165256 A EP11165256 A EP 11165256A EP 2450463 B1 EP2450463 B1 EP 2450463B1
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- EP
- European Patent Office
- Prior art keywords
- alloy
- aluminium alloy
- alloy according
- alloys
- aluminum
- 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.)
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- 229910000838 Al alloy Inorganic materials 0.000 title claims description 35
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 32
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 23
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 claims description 19
- 229910017052 cobalt Inorganic materials 0.000 claims description 19
- 239000010941 cobalt Substances 0.000 claims description 19
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 claims description 19
- 229910052749 magnesium Inorganic materials 0.000 claims description 19
- 239000011777 magnesium Substances 0.000 claims description 19
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 18
- 229910052710 silicon Inorganic materials 0.000 claims description 18
- 239000010703 silicon Substances 0.000 claims description 18
- 229910052759 nickel Inorganic materials 0.000 claims description 16
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 claims description 12
- 229910052709 silver Inorganic materials 0.000 claims description 12
- 239000004332 silver Substances 0.000 claims description 12
- 229910052742 iron Inorganic materials 0.000 claims description 11
- 229910052782 aluminium Inorganic materials 0.000 claims description 9
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 9
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 claims description 8
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 8
- 229910052796 boron Inorganic materials 0.000 claims description 8
- 239000010936 titanium Substances 0.000 claims description 8
- 229910052719 titanium Inorganic materials 0.000 claims description 8
- 238000004519 manufacturing process Methods 0.000 claims description 6
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 5
- 229910052790 beryllium Inorganic materials 0.000 claims description 5
- ATBAMAFKBVZNFJ-UHFFFAOYSA-N beryllium atom Chemical compound [Be] ATBAMAFKBVZNFJ-UHFFFAOYSA-N 0.000 claims description 5
- 229910052802 copper Inorganic materials 0.000 claims description 5
- 239000010949 copper Substances 0.000 claims description 5
- 239000012535 impurity Substances 0.000 claims description 3
- 239000004411 aluminium Substances 0.000 claims 1
- 229910045601 alloy Inorganic materials 0.000 description 77
- 239000000956 alloy Substances 0.000 description 77
- 238000002474 experimental method Methods 0.000 description 18
- 238000005260 corrosion Methods 0.000 description 11
- 230000007797 corrosion Effects 0.000 description 11
- 238000005266 casting Methods 0.000 description 8
- 238000010438 heat treatment Methods 0.000 description 8
- 230000002349 favourable effect Effects 0.000 description 7
- 238000012360 testing method Methods 0.000 description 6
- 238000000137 annealing Methods 0.000 description 5
- 235000019589 hardness Nutrition 0.000 description 5
- 229910001018 Cast iron Inorganic materials 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 4
- -1 aluminum-silicon-magnesium Chemical compound 0.000 description 4
- 239000010959 steel Substances 0.000 description 4
- 230000000052 comparative effect Effects 0.000 description 3
- 230000005496 eutectics Effects 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000002844 melting Methods 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 229910019018 Mg 2 Si Inorganic materials 0.000 description 2
- 229910000861 Mg alloy Inorganic materials 0.000 description 2
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 2
- BLJNPOIVYYWHMA-UHFFFAOYSA-N alumane;cobalt Chemical compound [AlH3].[Co] BLJNPOIVYYWHMA-UHFFFAOYSA-N 0.000 description 2
- 239000013078 crystal Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000011835 investigation Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 230000008018 melting Effects 0.000 description 2
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 2
- 239000002244 precipitate Substances 0.000 description 2
- 229910018134 Al-Mg Inorganic materials 0.000 description 1
- 229910018467 Al—Mg Inorganic materials 0.000 description 1
- BTBUEUYNUDRHOZ-UHFFFAOYSA-N Borate Chemical compound [O-]B([O-])[O-] BTBUEUYNUDRHOZ-UHFFFAOYSA-N 0.000 description 1
- 229910020630 Co Ni Inorganic materials 0.000 description 1
- NPXOKRUENSOPAO-UHFFFAOYSA-N Raney nickel Chemical compound [Al].[Ni] NPXOKRUENSOPAO-UHFFFAOYSA-N 0.000 description 1
- 229910001069 Ti alloy Inorganic materials 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 238000005275 alloying Methods 0.000 description 1
- KCZFLPPCFOHPNI-UHFFFAOYSA-N alumane;iron Chemical compound [AlH3].[Fe] KCZFLPPCFOHPNI-UHFFFAOYSA-N 0.000 description 1
- CYUOWZRAOZFACA-UHFFFAOYSA-N aluminum iron Chemical compound [Al].[Fe] CYUOWZRAOZFACA-UHFFFAOYSA-N 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 229910001092 metal group alloy Inorganic materials 0.000 description 1
- 238000001000 micrograph Methods 0.000 description 1
- 238000002161 passivation Methods 0.000 description 1
- 229910052697 platinum Inorganic materials 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 238000004881 precipitation hardening Methods 0.000 description 1
- 238000010791 quenching Methods 0.000 description 1
- 230000000171 quenching effect Effects 0.000 description 1
- 238000007670 refining Methods 0.000 description 1
- 238000004626 scanning electron microscopy Methods 0.000 description 1
- 239000011780 sodium chloride Substances 0.000 description 1
- 239000012085 test solution Substances 0.000 description 1
- 238000005050 thermomechanical fatigue Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
Classifications
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C21/00—Alloys based on aluminium
- C22C21/06—Alloys based on aluminium with magnesium as the next major constituent
- C22C21/08—Alloys based on aluminium with magnesium 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
- C22C21/02—Alloys based on aluminium with silicon as the next major constituent
Definitions
- steels or cast iron have the advantage of very high strength and are also cheap base materials.
- a disadvantage of steels or cast iron, however, is that a casting process is usually expensive, corrosion resistance can be low and, in principle, a higher production cost is given in comparison with aluminum alloys.
- steels and cast iron also have a higher density, which adversely affects a weight of a vehicle component and is often undesirable in view of a comparatively higher fuel consumption.
- alloys of the aluminum-silicon-magnesium alloy system are easy to cast, are relatively easy to machine mechanically and are generally resistant to corrosion, but often have low strength. Alloys of the aluminum-copper-titanium alloy system can achieve a high theoretical strength, but are often not resistant to corrosion and, as a rule, poorly cast.
- EP 1 215 295 A1 discloses an aluminum casting alloy with 5 to 10% silicon.
- EP 1136 581 discloses an aluminum alloy with 1.5-2.2 Fe.
- alloys containing 7 to 17% by weight and up to 0.7% by weight of magnesium or wrought alloys containing less than 1% by weight of silicon and less than 1% by weight of magnesium are frequently used, depending on the component and component geometry.
- alloys with the designations AlSi7Mg0.6 or AC72 or AlSi0.5Mg or AC04 are used for the production of vehicle components.
- the AlSi7Mg0.6 casting alloy which consists essentially of about 7% silicon by weight, about 0.6% magnesium by weight, balance aluminum, has high strength, but an elongation at break is too low for some applications. In addition, points this alloy has only low heat resistance.
- the wrought AlSi0.5Mg alloy which is sometimes used as a casting alloy and consists essentially of about 0.5 weight percent silicon, about 0.5 weight percent magnesium, balance aluminum, on the other hand, has a high elongation at break, but at the expense of strength , which is low and therefore unsatisfactory for many purposes.
- the object of the invention is to provide an aluminum alloy, which has a high strength with high elongation at break and good heat resistance, without a corrosion resistance is insufficient.
- an aluminum alloy containing (by weight) 0.3 to 1.5% cobalt 1.0 up to 2.5% nickel more than 0 up to 1.5% magnesium more than 0 up to 1.5% silicon optionally more than 0 up to 1.0% silver optionally more than 0 up to 0.20% titanium and / or boron optionally more than 0 up to 0.003% beryllium Remaining aluminum and production-related impurities, with a maximum iron content of up to 0.5%.
- an aluminum alloy according to the invention has a high strength combined with a high elongation at break, a high heat resistance of the alloy and, moreover, that the alloy is extremely resistant to corrosion.
- cobalt dissolves iron present in the aluminum in formed intermetallic cobalt-aluminum phases. This leads to a good ductility of the aluminum alloy because no or only small amounts of acicular aluminum-iron phases are present.
- cobalt contributes to the increase in strength.
- Cobalt is mandatory, in concentrations of 0.3 up to 1.5%. It is preferably provided that a cobalt content is 0.30 to 0.80%, particularly preferably 0.40 to 0.60%, in particular 0.45 to 0.55%.
- the aluminum alloy according to the invention further contains nickel as a mandatory constituent, with a nickel content basically being 1.0 to 2.5%, but preferably being in a range of 1.0 to 2.0%.
- Nickel contributes to increasing the strength of the aluminum alloy at both room temperature and high temperature, that is at more than 200 ° C, by forming an intermetallic aluminum-nickel phase.
- a nickel content is 1.2 to 1.6%, in particular 1.4 to 1.5%.
- Magnesium is mandatory in an aluminum alloy according to the invention with a content of more than 0 up to 1.5%.
- Magnesium, in conjunction with the silicon also provided, serves to increase the strength in the heat-treated state, wherein a content of magnesium is oriented to a maximum solubility at an annealing temperature which is generally in the range of about 570 ° C. It is favorable if a magnesium content is 0.8 to 1.2%, in particular 1.0 to 1.1%.
- Silicon is provided at levels of greater than 0 to 1.5%.
- a content of silicon is to be considered in connection with a content of magnesium, so that the desired strength increase is achieved in the heat-treated state.
- a silicon content is therefore tuned to a magnesium content, however, with respect to magnesium, an excess of silicon is used.
- an excess of silicon is provided in the amount of about one-fourth of the iron content of the alloy in order to fully exploit the precipitation potential by the excess silicon or to prevent activity reduction by the existing iron, which is usually up to 0.2%, in particular 0.1 to 0.2%, and is introduced as an impurity of the aluminum used in the alloy.
- a content of iron can be up to 0.5%. It is expedient if the aluminum alloy contains 0.20 to 0.80%, in particular 0.55 to 0.70%, silicon, in each case based on the preferred magnesium contents given above.
- Another component which may be provided in an aluminum alloy according to the invention is silver, in a content of more than 0 up to 1.0%.
- silver in comparison with copper as an alloying element, silver proves to be better in terms of corrosion resistance. It is favorable if a silver content is 0.05 to 0.70%, in particular 0.10 to 0.55%.
- an aluminum alloy according to the invention may optionally also contain titanium and / or boron and also beryllium.
- a titanium and / or boron content may be up to 0.20% in total, but is preferably in the range of 0.001 to 0.15%, more preferably in the range of 0.001 to less than 0.02%.
- Titanium and boron act as grain refining elements and can be added in the production of the aluminum alloy, for example by a master alloy of the type AlTi5B1, which master alloy 5 weight percent titanium, 1 weight percent boron, balance aluminum.
- Beryllium serves to suppress as far as possible the evaporation of magnesium during the production of an aluminum alloy.
- a beryllium content can be up to 0.003%.
- the alloy according to the invention is advantageously substantially copper-free and has a copper content of less than 0.005%, since copper can lead to disadvantageous, low-melting phases.
- the reference alloys AlSi7Mg0,6 or AC72 and AlSi0.5Mg or AC04 were assumed, which have a high strength and a high elongation at break.
- target criteria no or only small proportions of below the eutectic melting temperature melting phases, high eutectic temperatures and taking advantage of a full Mg 2 Si precipitation hardening were specified.
- the starting point for the comparative investigations was the binary Al-Mg 2 Si cut in the ternary phase system aluminum-silicon-magnesium, since the eutectic temperature has a maximum in this range.
- Four experimental alloys were defined in the hypoeutectic region.
- trial alloys were defined which additionally contained cobalt or both cobalt and nickel.
- the chemical compositions of the trial alloys are shown in Table 1 below.
- Table 1 - chemical compositions of trial alloys attempt Composition (in weight percent) T6 heat treatment mg Si Co Ni al A1 1.1 0.65 0 0 rest No A2 1.1 0.65 0 0 rest Yes A3 1.1 0.65 0.45 0 rest No A4 1.1 0.65 0.45 0 rest Yes A5 1.1 0.65 0.45 1.45 rest No A6 1.1 0.65 0.45 1.45 rest Yes B1 3.7 2.1 0 0 rest No B2 3.7 2.1 0 0 rest Yes B3 3.7 2.1 0.45 0 rest No B4 3.7 2.1 0.45 0 rest Yes B5 3.7 2.1 0.45 1.45 rest No B6 3.7 2.1 0.45 1.45 rest Yes C1 6.2 3.6 0 0 rest No C2 6.2 3.6 0 0 rest Yes C3 6.2 3.6 0.45 0 rest No C4 6.2 3.6 0.45 0 rest Yes C5 6.2 3.6 0.45 1.45 rest No C6 6.2 3.6 0.45 1.45 rest Yes D1 8.8 5.1 0 0
- Fig. 1 to 4 are mechanical property values of alloys, optionally after the T6 heat treatment as described above, for the alloys shown in Table 1, wherein Fig. 1 the tensile strengths R m shows, Fig. 2 the yield strengths R p0,2 , Fig. 3 the Brinell hardnesses and Fig. 4 finally, the elongations at break A 5 .
- the lines 1 to 6 in Fig. 1 to 4 connect in each case those values which were obtained for the experiments A1, B1, C1, D1 to A6, B6, C6, D6, ie the numerically identically marked alloys.
- Fig. 6 is a microsection of an alloy shown in Experiment A2. As can be seen, one recognizes a pure mixed crystal structure and occasionally iron-rich needles.
- Fig. 7 is a microsection of an alloy shown in experiment A6. It is compared with Fig. 6 recognizable that changes the structure by adding cobalt and nickel. Cobalt- and / or nickel-rich phases form at the grain boundaries and therefore give the microstructure a little more stability, which can also be understood on the basis of the mechanical properties already discussed. Iron-rich precipitates in the form of oblong needles are unlike Fig. 6 no longer present, since iron dissolves in the cobalt-rich phase. This could be verified by scanning electron microscopy.
- a major advantage of the alloys according to experiments A5 and A6, respectively, is that higher annealing temperatures of up to about 570 ° C can be used instead of the usual annealing temperatures of about 535 ° C for standard alloys such as AC72. Due to the higher annealing temperatures more precipitation-relevant elements can be solved in mixed crystal, which leads to an increase in the achievable maximum strength. This is in Fig. 8 illustrated.
- Fig. 9 are corrosion measurements on an alloy A6Ag according to test A6, which additionally contained 0.45% silver, compared with a reference alloy AlSi7Mg0,6 or AC72 shown.
- sample bodies were introduced into a test solution (0.6 g / l NaCl, diluted 1:10 in borate buffer at a pH of about 6.4) and subjected to a voltage.
- As counter electrode was a Platinum electrode used.
- the corrosion behavior is comparable, but the alloy A6Ag has advantages in the passivation range. That is, this alloy has lower corrosion rates for an existing surface defect than an AlSi7Mg0.6 reference alloy.
- An alloy according to the invention has, as in Fig. 10 is apparent, a globulitic structure on. Such a globulitic structure is favorable in terms of dynamic properties of an alloy.
- a main field of application of an alloy according to experiment A5 or A6 is in particular an application for an engine component, for example as a material for a cylinder head.
- the alloy was tested A5 compared to a common cylinder head alloy, namely AlSi7Mg0.3Cu, containing about 7 weight percent silicon, about 0.3 weight percent magnesium, about 0.5 weight percent copper, balance aluminum, as reference alloy. It was found that an alloy according to experiment A5, which was subjected to a T6 heat treatment (outsourced to hardness maximum) or a T7 heat treatment (outsourced for 500 hours at 225 ° C), less in strength at elevated temperature, which was Fig. 11 to 13 for the T7 heat treatment. An alloy A5Ag according to experiment A5, but additionally with 0.45% silver, gave even better values in terms of heat resistance.
- an alloy according to Experiment A6 which additionally contained 0.45% silver, exhibits better properties at higher temperatures compared to a conventional AlSi7Mg0.3Cu cylinder head alloy, and thus also lends more suitability for use purposes because the time-stability line has a larger slope, as shown in Table 2.
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Preventing Corrosion Or Incrustation Of Metals (AREA)
- Soft Magnetic Materials (AREA)
- Turbine Rotor Nozzle Sealing (AREA)
- Fuel-Injection Apparatus (AREA)
- Conductive Materials (AREA)
Claims (16)
- Alliage d'aluminium, contenant (en pourcentages en poids)
de 0,3 à 1,5 % de cobalt,
de 1,0 à 2,5 % de nickel,
de plus de 0 à 1,5 % de magnésium,
de plus de 0 à 1,5 % de silicium,
en option, de plus de 0 à 1,0 % d'argent,
en option, de plus de 0 à 0,20 % de titane et/ou de bore, en option, de plus de 0 à 0,003 % de béryllium
un reste d'aluminium et des impuretés dues à la fabrication, une teneur en fer s'élevant au maximum à jusqu'à 0,5 %. - Alliage d'aluminium selon la revendication 1, contenant de 0,30 à 0,80 % de cobalt.
- Alliage d'aluminium selon la revendication 1, contenant de 0,40 à 0,60 % de cobalt.
- Alliage d'aluminium selon la revendication 1, contenant de 045 à 0,55 % de cobalt.
- Alliage d'aluminium selon la revendication 1, contenant de 1,0 à 2,0 % de nickel.
- Alliage d'aluminium selon la revendication 1, contenant de 1,2 à 1,6 % de nickel.
- Alliage d'aluminium selon la revendication 1, contenant de 1,4 à 1,5 % de nickel.
- Alliage d'aluminium selon la revendication 1, contenant de 0,80 à 1,20 % de magnésium.
- Alliage d'aluminium selon la revendication 1, contenant de de 1,0 à 1,1 % de magnésium.
- Alliage d'aluminium selon la revendication 1, contenant de 0,20 à 0,80 % de silicium.
- Alliage d'aluminium selon la revendication 1, contenant de 0,55 à 0,70 % de silicium.
- Alliage d'aluminium selon la revendication 1, contenant de 0,05 à 0,70 % d'argent.
- Alliage d'aluminium selon la revendication 1, contenant de 0,10 à 0,55 % d'argent.
- Alliage d'aluminium selon la revendication 1, contenant de 0,001 à 0,15 % de titane et/ou de bore.
- Alliage d'aluminium selon la revendication 1, contenant de 0,001 à moins de 0,02 % de titane et/ou de bore.
- Alliage d'aluminium selon la revendication 1 qui est conçu en étant sensiblement exempt de cuivre.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AT11222010A AT509343B1 (de) | 2010-07-02 | 2010-07-02 | Aluminiumlegierung |
Publications (3)
Publication Number | Publication Date |
---|---|
EP2450463A2 EP2450463A2 (fr) | 2012-05-09 |
EP2450463A3 EP2450463A3 (fr) | 2013-05-29 |
EP2450463B1 true EP2450463B1 (fr) | 2014-08-27 |
Family
ID=44352398
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP20110165256 Active EP2450463B1 (fr) | 2010-07-02 | 2011-05-09 | Alliage d'aluminium |
Country Status (2)
Country | Link |
---|---|
EP (1) | EP2450463B1 (fr) |
AT (1) | AT509343B1 (fr) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN118064771B (zh) * | 2024-04-24 | 2024-07-09 | 湖南卓创精材科技股份有限公司 | 一种提高反射率的铝镁合金材料、制备方法和应用 |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2286886A1 (fr) * | 1974-10-04 | 1976-04-30 | Pechiney Aluminium | Conducteurs electriques en alliages d'aluminium et procedes d'obtention |
ATE188259T1 (de) * | 1996-04-10 | 2000-01-15 | Alusuisse Lonza Services Ag | Bauteil |
EP1136581B1 (fr) * | 2000-03-23 | 2005-11-02 | Furukawa-Sky Aluminum Corp. | Procédé de fabrication de Matériau pour ailettes d'échangeur de chaleur pour brassage |
JP3504917B2 (ja) * | 2000-10-11 | 2004-03-08 | 日本碍子株式会社 | 自動車エンジンの可動部品およびケーシング部材用のアルミニウム−ベリリウム−シリコン系合金 |
DE10062547A1 (de) * | 2000-12-15 | 2002-06-20 | Daimler Chrysler Ag | Aushärtbare Aluminium-Gusslegierung und Bauteil |
AT412726B (de) * | 2003-11-10 | 2005-06-27 | Arc Leichtmetallkompetenzzentrum Ranshofen Gmbh | Aluminiumlegierung, bauteil aus dieser und verfahren zur herstellung des bauteiles |
DE102005037738B4 (de) * | 2005-08-10 | 2009-03-05 | Daimler Ag | Aluminium-Gusslegierung mit hoher dynamischer Festigkeit und Wärmeleitfähigkeit |
CN101121255A (zh) * | 2006-09-07 | 2008-02-13 | 广东科信达科技有限公司 | 一种铝基金属结合剂金刚石工具及其制备方法 |
-
2010
- 2010-07-02 AT AT11222010A patent/AT509343B1/de active
-
2011
- 2011-05-09 EP EP20110165256 patent/EP2450463B1/fr active Active
Also Published As
Publication number | Publication date |
---|---|
AT509343B1 (de) | 2011-08-15 |
AT509343A4 (de) | 2011-08-15 |
EP2450463A2 (fr) | 2012-05-09 |
EP2450463A3 (fr) | 2013-05-29 |
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