EP3143173B1 - Procédé de fabrication d'un composant de moteur, composant de moteur et utilisation d'un alliage d'aluminium - Google Patents

Procédé de fabrication d'un composant de moteur, composant de moteur et utilisation d'un alliage d'aluminium Download PDF

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EP3143173B1
EP3143173B1 EP15720740.8A EP15720740A EP3143173B1 EP 3143173 B1 EP3143173 B1 EP 3143173B1 EP 15720740 A EP15720740 A EP 15720740A EP 3143173 B1 EP3143173 B1 EP 3143173B1
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Prior art keywords
silicon
aluminium alloy
iron
manganese
aluminium
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German (de)
English (en)
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EP3143173B2 (fr
EP3143173A1 (fr
Inventor
Roman Morgenstern
Silvio Stephan
Scott Kenningley
Philipp Koch
Isabella Sobota
Martin Popp
Robert Willard
Klaus Lades
Rainer Weiss
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Federal Mogul Nuernberg GmbH
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Federal Mogul Nuernberg GmbH
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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02F—CYLINDERS, PISTONS OR CASINGS, FOR COMBUSTION ENGINES; ARRANGEMENTS OF SEALINGS IN COMBUSTION ENGINES
    • F02F3/00—Pistons 
    • F02F3/0084—Pistons  the pistons being constructed from specific materials
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D21/00—Casting non-ferrous metals or metallic compounds so far as their metallurgical properties are of importance for the casting procedure; Selection of compositions therefor
    • B22D21/002—Castings of light metals
    • B22D21/007—Castings of light metals with low melting point, e.g. Al 659 degrees C, Mg 650 degrees C
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D25/00—Special casting characterised by the nature of the product
    • B22D25/02—Special casting characterised by the nature of the product by its peculiarity of shape; of works of art
    • 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
    • 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
    • C22C21/04—Modified aluminium-silicon alloys
    • 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02F—CYLINDERS, PISTONS OR CASINGS, FOR COMBUSTION ENGINES; ARRANGEMENTS OF SEALINGS IN COMBUSTION ENGINES
    • F02F2200/00—Manufacturing
    • F02F2200/06—Casting

Definitions

  • the present invention relates to a method for producing and using an engine component, in particular a piston for an internal combustion engine, in which an aluminum alloy is gravity-cast, an engine component at least partially made of an aluminum alloy, and the use of an aluminum alloy for producing such an engine component ,
  • a piston for a combustion engine must have a high heat resistance and at the same time be as light and strong as possible. It is of particular importance how the microstructural distribution, morphology, composition and thermal stability of highly heat-resistant phases are formed. An optimization in this regard usually takes into account a minimum content of pores and oxide inclusions.
  • the material sought must be optimized for both isothermal fatigue strength (HCF) and thermo-mechanical fatigue strength (TMF).
  • HCF isothermal fatigue strength
  • TMF thermo-mechanical fatigue strength
  • a fine microstructure reduces the risk of microplasticity or microcracks on relatively large primary phases (in particular of primary silicon precipitates) and thus also the risk of crack initiation and propagation.
  • the JP 2004-256873A describes an alloy used in particular for pistons.
  • the DE 44 04 420 A1 describes an alloy which can be used in particular for pistons and for components which are exposed to high temperatures and are stressed mechanically.
  • the described aluminum alloy comprises 8.0 to 10.0% by weight of silicon, 0.8 to 2.0% by weight of magnesium, 4.0 to 5.9% by weight of copper, 1.0 to 3.0 Wt .-% nickel, 0.2 to 0.4 wt .-% manganese, less than 0.5 wt .-% iron and at least one element selected from antimony, zirconium, titanium, strontium, cobalt, chromium, and vanadium wherein at least one of these elements is present in an amount of> 0.3% by weight, the sum of these elements being ⁇ 0.8% by weight.
  • the EP 0 924 310 B1 describes an aluminum-silicon alloy which has its application in the production of pistons, in particular for pistons in internal combustion engines.
  • the aluminum alloy has the following composition: 10.5 to 13.5% by weight of silicon, 2.0 to less than 4.0% by weight of copper 0.8 to 1.5% by weight of magnesium, 0, 5 to 2.0% by weight of nickel, 0.3 to 0.9% by weight of cobalt, at least 20 ppm of phosphorus and either 0.05 to 0.2% by weight of titanium or up to 0.2% by weight. % Zirconium and / or up to 0.2% by weight vanadium and balance aluminum and unavoidable impurities.
  • the WO 00/71767 A1 describes an aluminum alloy suitable for high temperature applications, such as heavy loaded pistons or other applications in internal combustion engines.
  • the aluminum alloy is composed of the following elements: 6.0 to 14.0% by weight of silicon, 3.0 to 8.0% by weight of copper, 0.01 to 0.8% by weight of iron, 0 , 5 to 1.5% by weight of magnesium, 0.05 to 1.2% by weight of nickel, 0.01 to 1.0% by weight of manganese, 0.05 to 1.2% by weight of titanium , 0.05 to 1.2 wt .-% zirconium, 0.05 to 1.2 wt .-% vanadium, 0.001 to 0.10 wt .-% strontium and balance aluminum.
  • the DE 103 33 103 B4 describes a piston made of a cast aluminum alloy, wherein the aluminum casting alloy contains: 0.2 or less wt .-% magnesium, 0.05 to 0.3 mass% titanium, 10 to 21 wt .-% silicon, 2 to 3, 5 wt.% Copper, 0.1 to 0.7 wt.% Iron, 1 to 3 wt.% Nickel, 0.001 to 0.02 wt.% Phosphorus, 0.02 to 0.3 wt. % Zirconium and balance aluminum and impurities.
  • the size of a non-metallic inclusion present within the bulb is less than 100 ⁇ m.
  • the EP 1 975 262 B1 describes an aluminum casting alloy consisting of: 6 to 9% silicon, 1.2 to 2.5% copper, 0.2 to 0.6% magnesium, 0.2 to 3% nickel, 0.1 to 0.7% iron, 0.1 to 0.3% titanium, 0.03 to 0.5% zirconium, 0.1 to 0.7% manganese, 0.01 to 0.5% vanadium and one or more of the following elements: strontium 0.003 to 0.05%, antimony 0.02-0.2% and sodium 0.001-0.03%, the total amount of titanium and zirconium being less than 0.5%, and aluminum and unavoidable impurities forming the balance when the total amount is 100 percent by mass is used.
  • the WO 2010/025919 A2 describes a method for producing a piston of an internal combustion engine, wherein a piston blank made of an aluminum-silicon alloy with the addition of copper portions is poured and then finished.
  • the invention provides that the copper content is at most 5.5% of the aluminum-silicon alloy and that the aluminum-silicon alloy portions of titanium (Ti), zirconium (Zr), chromium (Cr) or vanadium (V) are admixed and the sum of all ingredients is 100%.
  • the registration DE 102011083969 relates to a method for producing an engine component, in particular a piston for an internal combustion engine, in which an aluminum alloy is gravity-poured by casting, an engine component that consists at least partially of an aluminum alloy, and the use of an aluminum alloy for producing an engine component.
  • the aluminum alloy has the following alloying elements: 6 to 10 wt .-% silicon, 1.2 to 2 wt .-% nickel, 8 to 10 wt .-% copper, 0.5 to 1.5 wt .-% magnesium , 0.1 to 0.7% by weight of iron, 0.1 to 0.4% by weight of manganese, 0.2 to 0.4% by weight of zirconium, 0.1 to 0.3% by weight Vanadium, 0.1 to 0.5 wt .-% of titanium and aluminum and avoidable impurities as the remainder.
  • this alloy has a phosphorus content of less than 30 ppm.
  • EP 1 340 827 B1 which describes the effects of beryllium in an aluminum-silicon casting alloy with relatively low magnesium concentration. Additions of 5-100 ppm beryllium contribute to the formation of an advantageous, thin, stoichiometric MgO layer, which favors the flowability and the short-time oxidation behavior of the alloy.
  • An object of the present invention is to provide a method for producing an engine component, in particular a piston for an internal combustion engine, wherein an aluminum alloy is poured by gravity die casting, so that a highly heat resistant engine component can be produced by gravity die casting.
  • a further object of the invention is to provide an engine component, in particular a piston for an internal combustion engine, which is highly heat-resistant and at least partially consists of an aluminum alloy.
  • the selected aluminum alloy By the selected aluminum alloy, it is possible to produce a motor component in the gravity die casting process, which has a high proportion of finely divided, highly heat-resistant, thermally stable phases and a fine microstructure. Susceptibility to crack initiation and crack propagation e.g. On oxides or primary phases is reduced by the choice of the alloy according to the invention over the previously known manufacturing processes of pistons and similar engine components and increases the TMF-HCF life.
  • the alloy according to the invention in particular the comparatively low silicon content, also results in comparatively less and finer primary silicon being present in its thermally highly loaded bowl edge region, at least in the case of a piston produced according to the invention, so that the alloy leads to particularly good properties of a piston produced according to the invention.
  • a highly heat resistant engine component can be produced by the gravity die casting method.
  • the alloy properties can be optimized in an application-specific manner by a targeted selection of the Cu content in the range according to the invention.
  • higher Cu contents improve the heat resistance of the alloy.
  • lower contents allow the increase of the thermal conductivity and reduction of the density of the alloy.
  • the proportions of cobalt and phosphorus according to the invention are advantageous in that cobalt increases the hardness and (warm) strength of the alloy and phosphorus as a nucleating agent for primary silicon precipitates contributes to their being precipitated particularly finely and evenly distributed.
  • zirconium and cobalt contribute to increases in strength at elevated temperatures, in particular in the edge area of the bowl.
  • the said aluminum alloys preferably comprise 0.6% by weight to 0.8% by weight of magnesium, which in the preferred concentration range contributes, in particular, to the effective formation of secondary, strength-increasing phases without excessive oxide formation occurring.
  • the alloy alternatively or additionally preferably has from 0.4% by weight to 0.6% by weight of iron, which advantageously reduces the tendency of the alloy to stick in the casting mold, wherein the formation of plate-shaped phases remains limited in said concentration range.
  • the aluminum alloys described above may also be from about 0.0005, preferably from> about 0.006 and more preferably from about 0.01% to about 0.5, preferably to about ⁇ about 0.1% by weight beryllium (Be), wherein the content of calcium is limited to ⁇ about 0.0005% by weight.
  • Be beryllium
  • the addition of beryllium results in a particularly good castability of the alloy. Its addition to the melt causes a dense oxide skin on the melt, which acts as a diffusion barrier and reduces the oxidation and hydrogen uptake of the melt. The diffusion of aluminum and magnesium can also be prevented.
  • the above effects are particularly relevant when using holding furnaces.
  • a fine / thin oxide layer is formed on the solidification front during casting, for example, in a mold, which improves flowability.
  • the addition of beryllium improves the strength characteristics of the alloy as a whole. During aging, a higher density of strength enhancing precipitates is achievable.
  • the addition of beryllium adds to the beneficial effects of the present aluminum alloys by reducing the oxidation of the melt, contributes to better castability, particularly in gravity die casting, and improves the strength of the alloy.
  • alloys A, B and C realize the above-mentioned technical advantages.
  • the comparatively high Cu and Zr content proves to be advantageous, which causes an increase in strength-increasing precipitations.
  • the preferred alloy B which has a reduced nickel content, which further contributes to the reduction of alloying costs.
  • the relatively high content of Zr, V and Ti in Alloy C also adds to the increase in strength increasing precipitations. In general, an increased Zr content causes a further improvement in strength.
  • Alloy C particularly preferably has an Si content ⁇ 10.5% by weight.
  • Alloy D is advantageous in that the addition of beryllium, as described above, improves the oxidation and flow behavior of the melt as well as the strength of the alloy. This effect is further increased by the comparatively low Mg content and the limited to a low level Ca content. Alloy D may also have the alloying elements in the following preferred concentration ranges: nickel (Ni) from about 2 to about 3.5 wt%, copper (Cu) from about 3.7 to about 5.2 wt%.
  • the presence / addition of beryllium to improve the oxidation, flow and strength properties is also possible in / to the alloys A, B and C.
  • the calcium content should also be limited to the specified low level in order not to counteract the beneficial effects of beryllium. Overall, there is a certain combinability between the alloys A, B and C, so that their advantageous technical effects can also be realized together in a single alloy.
  • the weight ratio of iron to manganese in said aluminum alloys is at most about 5: 1, preferably about 2.5: 1.
  • the aluminum alloy contains at most five parts iron versus one part manganese, preferably about 2.5 parts iron versus one part manganese.
  • the nickel concentration is ⁇ 3.5 wt .-%, since otherwise can form too large, plate-shaped (primary, nickel-rich) phases in the structure, which can reduce their strength and / or life due to their notch effect.
  • a thermally stable primary phase network is produced with connectivity and contiguity.
  • the sum of nickel and cobalt in said aluminum alloys is> 2.0 wt% and ⁇ 3.8 wt%.
  • the lower limit ensures an advantageous strength of the alloy and the upper limit advantageously ensures a fine microstructure and avoids the formation of coarse, plate-shaped phases which would reduce the strength.
  • the aluminum alloys have a fine microstructure with a low content of pores and inclusions and / or little and small primary silicon, especially in the highly loaded bowl rim area.
  • a low content of pores is preferably to be understood as meaning a porosity of ⁇ 0.01% and less than a few primary silicon ⁇ 1%.
  • the fine microstructure is advantageously described by the fact that the average length of the primary silicon about ⁇ 5 microns and its maximum length is about ⁇ 10 microns and the intermetallic phases and / or primary precipitates lengths of on average about ⁇ 30 microns and have a maximum ⁇ 50 microns.
  • the fine microstructure contributes in particular to the improvement of the thermomechanical fatigue strength. Limiting the size of the primary phases can reduce the susceptibility to crack initiation and crack propagation, thus significantly increasing the TMF-HCF lifetime. Furthermore, it is particularly advantageous due to the notch effect of pores and inclusions to keep their content low.
  • An engine component according to the invention consists at least partially of one of the abovementioned aluminum alloys.
  • Another independent aspect of the invention is the use of the above-mentioned aluminum alloys for the manufacture of an engine component, in particular a piston of an internal combustion engine, according to claim 19 and the related subclaim.
  • the aluminum alloys found are processed by gravity die casting.

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Combustion & Propulsion (AREA)
  • General Engineering & Computer Science (AREA)
  • Pistons, Piston Rings, And Cylinders (AREA)

Claims (20)

  1. Procédé de fabrication d'un composant de moteur, en particulier d'un piston pour un moteur à combustion interne, dans lequel un alliage d'aluminium est coulé au cours d'un procédé de moulage en coquille par gravité,
    dans lequel l'alliage d'aluminium présente les éléments d'alliage suivants : silicium : 7 % en poids à < 14,5 % en poids, nickel : > 1,2 % en poids à < 3,5 % en poids, cuivre : > 3,7 % en poids à < 10 % en poids, cobalt : à < 1 % en poids, magnésium : 0,1 % en poids à 1,5 % en poids, fer : 0,1 % en poids à ≤ 0,7 % en poids, manganèse : 0,1 % en poids à ≤ 0,7 % en poids, zirconium : > 0,1 % en poids à < 0,5 % en poids, vanadium: ≥ 0,1 % en poids à ≤ 0,3 % en poids, titane : 0,05 % en poids à 0,5 % en poids, phosphore : 0,004 % en poids à ≤ 0,05 % en poids, en option béryllium : 0,0005 % en poids à 0,5 % en poids et en option calcium : à ≤ 0,0005 % en poids
    et le reste étant de l'aluminium et des impuretés inévitables.
  2. Procédé selon la revendication 1, dans lequel l'alliage d'aluminium présente en outre : béryllium : 0,0005 % en poids à 0,5 % en poids et calcium : à ≤ 0,0005 % en poids.
  3. Procédé selon la revendication 1 ou 2, dans lequel l'alliage d'aluminium présente : silicium: 9 % en poids à < 10,5 % en poids, nickel : > 2 % en poids à < 3,5 % en poids, cuivre: > 5,2 % en poids à < 10 % en poids, cobalt : à < 1 % en poids, magnésium : 0,5 % en poids à 1,5 % en poids, fer : 0,1 % en poids à 0,7 % en poids, manganèse : 0,1 % en poids à 0,4 % en poids, zirconium : 0,2 % en poids à < 0,4% en poids, vanadium : > 0,1 % en poids à < 0,2 % en poids, titane : 0,05 % en poids à < 0,2 % en poids, phosphore : 0,004 % en poids à 0,008 % en poids,
    et le reste étant de l'aluminium et des impuretés inévitables.
  4. Procédé selon la revendication 1 ou 2, dans lequel l'alliage d'aluminium présente : silicium: 9 % en poids à < 10,5 % en poids, nickel: > 1,2 % en poids à < 2,0 % en poids, cuivre: > 5,2 % en poids à < 10 % en poids, cobalt : à < 1 % en poids, magnésium : 0,5 % en poids à 1,5 % en poids, fer : 0,1 % en poids à 0,7 % en poids, manganèse: 0,1 % en poids à 0,4 % en poids, zirconium : 0,2 % en poids à < 0,4% en poids, vanadium: > 0,1 % en poids à < 0,2 % en poids, titane : 0,05 % en poids à < 0,2 % en poids, phosphore : 0,004 % en poids à 0,008 % en poids,
    et le reste étant de l'aluminium et des impuretés inévitables.
  5. Procédé selon la revendication 1 ou 2, dans lequel l'alliage d'aluminium présente : silicium: 9 % en poids à < 12 % en poids, nickel : 2 % en poids à < 3,5 % en poids, cuivre : > 3,7 % en poids à 5,2 % en poids, cobalt : à < 1 % en poids, magnésium : 0,5 % en poids à 1,5 % en poids, fer : 0,1 % en poids à 0,7 % en poids, manganèse: 0,1 % en poids à 0,4 % en poids, zirconium : 0,2 % en poids à 0,4% en poids, vanadium: 0,1 % en poids à 0,3 % en poids, titane : 0,1 % en poids à 0,5 % en poids, phosphore : 0,004 % en poids à 0,008 % en poids,
    et le reste étant de l'aluminium et des impuretés inévitables.
  6. Procédé selon la revendication 1, dans lequel l'alliage d'aluminium présente : silicium: 7 % en poids à < 14,5 % en poids, nickel : > 1,2 % en poids à < 3,5 % en poids, cuivre : > 3,7 % en poids à ≤ 5,5 % en poids, cobalt : à < 1 % en poids, magnésium: 0,1 % en poids à 1,2 % en poids, fer : 0,1 % en poids à ≤ 0,7 % en poids, manganèse : 0,1 % en poids à ≤ 0,7 % en poids, zirconium : > 0,1 % en poids à < 0,5 % en poids, vanadium: ≥ 0,1 % en poids à ≤ 0,3 % en poids, titane : 0,05 % en poids à ≤ 0,2 % en poids, phosphore : 0,004 % en poids à ≤ 0,05 % en poids, béryllium : 0,0005 % en poids à 0,5 % en poids, calcium : à ≤ 0,0005 % en poids
    et le reste étant de l'aluminium et des impuretés inévitables.
  7. Procédé selon l'une quelconque des revendications précédentes 1 à 6, dans lequel un rapport pondéral de fer à manganèse dans l'alliage d'aluminium s'élève à sensiblement 5:1 au maximum, de préférence le rapport pondéral de fer à manganèse s'élève à sensiblement 2,5:1.
  8. Procédé selon l'une quelconque des revendications précédentes 1 à 7, dans lequel une somme de nickel et cobalt représente de préférence > 2,0 % en poids et < 3,8 % en poids.
  9. Procédé selon l'une quelconque des revendications précédentes 1 à 8, dans lequel l'alliage d'aluminium présente une microstructure fine avec une basse teneur en pores et inclusions et/ou une faible et petite quantité de silicium primaire, en particulier dans une zone de bord de cavité du composant de moteur, dans lequel la porosité représente < 0,01 % et/ou la teneur en silicium primaire représente < 1 %, dans lequel le silicium primaire présente des longueurs en moyenne < 5 µm et/ou des longueurs maximales < 10 µm, et les phases intermétalliques et/ou précipitations primaires présentent des longueurs en moyenne < 30 µm et/ou des longueurs maximales < 50 µm.
  10. Composant de moteur, en particulier piston pour un moteur à combustion interne, qui est constitué au moins en partie d'un alliage d'aluminium, dans lequel l'alliage d'aluminium présente les éléments d'alliage suivants : silicium: 7 % en poids à < 14,5 % en poids, nickel : > 1,2 % en poids à < 3,5 % en poids, cuivre: > 3,7 % en poids à < 10 % en poids, cobalt : à < 1 % en poids, magnésium : 0,1 % en poids à 1,5 % en poids, fer : 0,1 % en poids à ≤ 0,7 % en poids, manganèse : 0,1 % en poids à ≤ 0,7 % en poids, zirconium : > 0,1 % en poids à < 0,5 % en poids, vanadium: ≥ 0,1 % en poids à ≤ 0,3 % en poids, titane : 0,05 % en poids à 0,5 % en poids, phosphore : 0,004 % en poids à ≤ 0,05 % en poids, en option béryllium : 0,0005 % en poids à 0,5 % en poids et en option calcium : à ≤ 0,0005 % en poids
    et le reste étant de l'aluminium et des impuretés inévitables.
  11. Composant de moteur selon la revendication 10, dans lequel l'alliage d'aluminium présente en outre : béryllium : 0,0005 % en poids à 0,5 % en poids et calcium : à ≤ 0,0005 % en poids
  12. Composant de moteur selon la revendication 10 ou 11, dans lequel l'alliage d'aluminium présente : silicium: 9 % en poids à < 10,5 % en poids, nickel : > 2 % en poids à < 3,5 % en poids, cuivre: > 5,2 % en poids à < 10 % en poids, cobalt : à < 1 % en poids, magnésium : 0,5 % en poids à 1,5 % en poids, fer : 0,1 % en poids à 0,7 % en poids, manganèse: 0,1 % en poids à 0,4 % en poids, zirconium : 0,2 % en poids à < 0,4% en poids, vanadium: > 0,1 % en poids à < 0,2 % en poids, titane : 0,05 % en poids à < 0,2 % en poids, phosphore : 0,004 % en poids à 0,008 % en poids,
    et le reste étant de l'aluminium et des impuretés inévitables.
  13. Composant de moteur selon la revendication 10 ou 11, dans lequel l'alliage d'aluminium présente : silicium: 9 % en poids à < 10,5 % en poids, nickel: > 1,2 % en poids à < 2,0 % en poids, cuivre: > 5,2 % en poids à < 10 % en poids, cobalt : à < 1 % en poids, magnésium : 0,5 % en poids à 1,5 % en poids, fer : 0,1 % en poids à 0,7 % en poids, manganèse: 0,1 % en poids à 0,4 % en poids, zirconium : 0,2 % en poids à < 0,4% en poids, vanadium: > 0,1 % en poids à < 0,2 % en poids, titane : 0,05 % en poids à < 0,2 % en poids, phosphore : 0,004 % en poids à 0,008 % en poids,
    et le reste étant de l'aluminium et des impuretés inévitables.
  14. Composant de moteur selon la revendication 10 ou 11, dans lequel l'alliage d'aluminium présente : silicium : 9 % en poids à < 12 % en poids, nickel : 2 % en poids à < 3,5 % en poids, cuivre : > 3,7 % en poids à 5,2 % en poids, cobalt : à < 1 % en poids, magnésium : 0,5 % en poids à 1,5 % en poids, fer : 0,1 % en poids à 0,7 % en poids, manganèse : 0,1 % en poids à 0,4 % en poids, zirconium : 0,2 % en poids à 0,4 % en poids, vanadium : 0,1 % en poids à 0,3 % en poids, titane : 0,1 % en poids à 0,5 % en poids, phosphore : 0,004 % en poids à 0,008 % en poids,
    et le reste étant de l'aluminium et des impuretés inévitables.
  15. Composant de moteur selon la revendication 10, dans lequel l'alliage d'aluminium présente : silicium: 7 % en poids à < 14,5 % en poids, nickel : > 1,2 % en poids à < 3,5 % en poids, cuivre : > 3,7 % en poids à ≤ 5,5 % en poids, cobalt : à < 1 % en poids, magnésium: 0,1 % en poids à 1,2 % en poids, fer : 0,1 % en poids à ≤ 0,7 % en poids, manganèse : 0,1 % en poids à ≤ 0,7 % en poids, zirconium : > 0,1 % en poids à < 0,5% en poids, vanadium: ≥ 0,1 % en poids à ≤ 0,3 % en poids, titane : 0,05 % en poids à ≤ 0,2 % en poids, phosphore : 0,004 % en poids à ≤ 0,05 % en poids, béryllium : 0,0005 % en poids à 0,5 % en poids, calcium : à ≤ 0,0005 % en poids
    et le reste étant de l'aluminium et des impuretés inévitables.
  16. Composant de moteur selon l'une quelconque des revendications précédentes 10 à 15, dans lequel un rapport pondéral de fer à manganèse dans l'alliage d'aluminium s'élève à sensiblement 5:1 au maximum, de préférence le rapport pondéral de fer à manganèse s'élève à sensiblement 2,5:1.
  17. Composant de moteur selon l'une quelconque des revendications précédentes 10 à 16, dans lequel une somme de nickel et cobalt représente de préférence > 2,0 % en poids et < 3,8 % en poids.
  18. Composant de moteur selon l'une quelconque des revendications précédentes 10 à 17, dans lequel l'alliage d'aluminium présente une microstructure fine avec une basse teneur en pores et inclusions et/ou une faible et petite quantité de silicium primaire, en particulier dans une zone de bord de cavité du composant, dans lequel la porosité représente < 0,01 % et/ou la teneur en silicium primaire représente < 1 %, dans lequel le silicium primaire présente des longueurs en moyenne < 5 µm et/ou des longueurs maximales < 10 µm, et les phases intermétalliques et/ou précipitations primaires présentent des longueurs en moyenne < 30 µm et/ou des longueurs maximales < 50 µm.
  19. Utilisation d'un alliage d'aluminium pour la fabrication d'un composant de moteur, en particulier d'un piston d'un moteur à combustion interne,
    dans lequel l'alliage d'aluminium présente les éléments d'alliage suivants : silicium: 7 % en poids à < 14,5 % en poids, nickel : > 1,2 % en poids à < 3,5 % en poids, cuivre: > 3,7 % en poids à < 10 % en poids, cobalt : à < 1 % en poids, magnésium : 0,1 % en poids à 1,5 % en poids, fer : 0,1 % en poids à ≤ 0,7 % en poids, manganèse : 0,1 % en poids à ≤ 0,7 % en poids, zirconium : > 0,1 % en poids à < 0,5 % en poids, vanadium: ≥ 0,1 % en poids à ≤ 0,3 % en poids, titane : 0,05 % en poids à 0,5 % en poids, phosphore : 0,004 % en poids à ≤ 0,05 % en poids, en option béryllium : 0,0005 % en poids à 0,5 % en poids et en option calcium : à ≤ 0,0005 % en poids et le reste étant de l'aluminium et des impuretés inévitables.
  20. Utilisation selon la revendication 19, dans lequel l'alliage d'aluminium présente en outre : béryllium : 0,0005 % en poids à 0,5 % en poids et calcium : à ≤ 0,0005 % en poids
EP15720740.8A 2014-05-14 2015-05-11 Procédé de fabrication d'un composant de moteur, composant de moteur et utilisation d'un alliage d'aluminium Active EP3143173B2 (fr)

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KR101896806B1 (ko) 2016-12-15 2018-09-07 현대자동차주식회사 인서트 링 용 알루미늄 합금, 이를 이용한 알루미늄 인서트 링 및 이를 이용한 피스톤 제조방법
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KR20170007404A (ko) 2017-01-18
MX2016014860A (es) 2017-06-27
BR112016026554A2 (pt) 2017-08-15
CN106795591A (zh) 2017-05-31
JP2017519105A (ja) 2017-07-13
US20170226957A1 (en) 2017-08-10
EP3143173B2 (fr) 2022-08-10
CN106795591B (zh) 2018-10-26
WO2015173172A1 (fr) 2015-11-19
KR102379579B1 (ko) 2022-03-29
EP3143173A1 (fr) 2017-03-22
US11280292B2 (en) 2022-03-22

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