EP3589766A1 - Alliages de moulage d'al-mg-si-mn-fe - Google Patents

Alliages de moulage d'al-mg-si-mn-fe

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Publication number
EP3589766A1
EP3589766A1 EP19773328.0A EP19773328A EP3589766A1 EP 3589766 A1 EP3589766 A1 EP 3589766A1 EP 19773328 A EP19773328 A EP 19773328A EP 3589766 A1 EP3589766 A1 EP 3589766A1
Authority
EP
European Patent Office
Prior art keywords
aluminum casting
casting alloy
new aluminum
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.)
Granted
Application number
EP19773328.0A
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German (de)
English (en)
Other versions
EP3589766A4 (fr
EP3589766B1 (fr
Inventor
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Alcoa USA Corp
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Alcoa USA Corp
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Priority to EP23175753.5A priority Critical patent/EP4234123A3/fr
Publication of EP3589766A1 publication Critical patent/EP3589766A1/fr
Publication of EP3589766A4 publication Critical patent/EP3589766A4/fr
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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
    • 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
    • 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
    • B22D21/02—Casting exceedingly oxidisable non-ferrous metals, e.g. in inert atmosphere
    • B22D21/04—Casting aluminium or magnesium
    • 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
    • C22F1/047—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 magnesium as the next major constituent

Definitions

  • Aluminum alloys are useful in a variety of applications.
  • Aluminum casting (foundry) alloys for instance, are used in dozen of industries, including, for instance, the automotive and consumer electronics industries.
  • the present disclosure relates to new aluminum casting (foundry) alloys and associated products.
  • the new aluminum casting alloys generally comprise (and in some instances consist of or consist essentially of) from 2.5 to 5.0 wt. % Mg, from 0.70 to 2.5 wt. % Si, where the weight ratio of magensium to silicon (Mg/Si) is from 1.7: 1 to 3.6: 1, from 0.40 to 1.5 wt. % Mn, from 0.10 to 0.60 wt. % Fe, optionally up to 0.15 wt. % Ti, optionally up to 0.10 wt. % Sr, and optionally up to 0.15 wt.
  • Mg/Si magensium to silicon
  • the new aluminum casting alloys may realize an improve combination of properties, such as an improved combination of two or more of strength, ductility, castability, die soldering resistance and quality index, among others.
  • the new aluminum casting alloys generally include from 2.5 to 5.0 wt. % Mg. In one embodiment, a new aluminum casting alloy includes not greater than 4.75 wt. % Mg. In another embodiment, a new aluminum casting alloy includes not greater than 4.60 wt. % Mg. In one embodiment, anew aluminum casting alloy includes at least 2.75 wt. % Mg. In another embodiment, a new aluminum casting alloy includes at least 3.0 wt. % Mg.
  • the new aluminum casting alloys generally include from 0.70 to 2.5 wt. % Si.
  • a new aluminum casting alloy includes at least 0.80 wt. % Si.
  • a new aluminum casting alloy includes at least 0.90 wt. % Si.
  • a new aluminum casting alloy includes at least 0.95 wt. % Si.
  • a new aluminum casting alloy includes at least 1.00 wt. % Si.
  • a new aluminum casting alloy includes at least 1.05 wt. % Si.
  • a new aluminum casting alloy includes at least 1.10 wt. % Si.
  • a new aluminum casting alloy includes at least 1.15 wt.
  • anew aluminum casting alloy includes at least 1.20 wt. % Si. In one embodiment, a new aluminum casting alloy includes not greater than 2.4 wt. % Si. In another embodiment, a new aluminum casting alloy includes not greater than 2.3 wt. % Si. In yet another embodiment, a new aluminum casting alloy includes not greater than 2.2 wt. % Si. In another embodiment, a new aluminum casting alloy includes not greater than 2.1 wt. % Si. In yet another embodiment, a new aluminum casting alloy includes not greater than 2.0 wt. % Si.
  • the weight ratio of magensium to silicon in the new aluminum casting alloys is generally from 1.7: 1 to to 3.6: 1 (wt. % Mg / wt. % Si). In one embodiment, the weight ratio of magensium to silicon in the new aluminum casting alloy is at least 1.8: 1. In another embodiment, the weight ratio of magensium to silicon in the new aluminum casting alloy is at least 1.85: 1. In one embodiment, the weight ratio of magensium to silicon in the new aluminum casting alloy is not greater than 3.6: 1. In another embodiment, the weight ratio of magensium to silicon in the new aluminum casting alloy is not greater than 3.5: 1.
  • a new aluminum casting alloy includes an amount of magnesiumn and silicon sufficient to facilitate production of a crack-free cast product (e.g., a crack-free high pressure die cast product).
  • a crack-free product is a product sufficiently free of cracks so that it can be used for its intended purpose.
  • a new aluminum casting alloy includes an amount of magnesiumn and silicon sufficient to realize a hot cracking tendency index (HCTI) of not greater than 0.30, such as any of the low HCTI values disclosed herein.
  • HCTI hot cracking tendency index
  • the new aluminum casting alloys generally include from 0.40 to 1.5 wt. % Mn.
  • anew aluminum casting alloy includes at least 0.45 wt. % Mn.
  • a new aluminum casting alloy includes at least 0.50 wt. % Mn.
  • anew aluminum casting alloy includes at least 0.55 wt. % Mn.
  • a new aluminum casting alloy includes at least 0.60 wt. % Mn.
  • a new aluminum casting alloy includes not greater than 1.45 wt. % Mn.
  • a new aluminum casting alloy includes not greater than 1.40 wt. % Mn.
  • a new aluminum casting alloy includes not greater than 1.35 wt. % Mn. In another embodiment, a new aluminum casting alloy includes not greater than 1.30 wt. % Mn. In yet another embodiment, a new aluminum casting alloy includes not greater than 1.25 wt. % Mn. In another embodiment, a new aluminum casting alloy includes not greater than 1.20 wt. % Mn.
  • the new aluminum casting alloys generally include from 0.10 to 0.60 wt. % Fe.
  • a new aluminum casting alloy includes at least 0.12 wt. % Fe.
  • a new aluminum casting alloy includes at least 0.15 wt. % Fe.
  • anew aluminum casting alloy includes at least 0.20 wt. % Fe.
  • a new aluminum casting alloy includes at least 0.25 wt. % Fe.
  • a new aluminum casting alloy includes at least 0.30 wt. % Fe.
  • a new aluminum casting alloy includes at least 0.35 wt. % Fe.
  • a new aluminum casting alloy includes not greater than 0.55 wt. % Fe.
  • a new aluminum casting alloy includes not greater than 0.50 wt. % Fe.
  • a new aluminum casting alloy includes not greater than 0.45 wt. % Fe.
  • a new aluminum casting alloy includes an amount of iron and manganse sufficient to facilitate formation of alpha phase particles while restricting formation of beta phase particles. In one embodiment, at least due to the iron content, a new aluminum casting alloy includes not greater than 0.012 wt. % of P-A15FeSi compounds. In another embodiment, anew aluminum casting alloy includes not greater than 0.010 wt. % of -Al5FeSi compounds. In yet another embodiment, a new aluminum casting alloy includes not greater than 0.008 wt. % of -Al5FeSi compounds. In another embodiment, a new aluminum casting alloy includes not greater than 0.006 wt. % of P-A15FeSi compounds.
  • a new aluminum casting alloy includes not greater than 0.004 wt. % of P-A15FeSi compounds. In another embodiment, a new aluminum casting alloy includes not greater than 0.002 wt. % of P-A15FeSi compounds. In yet another embodiment, a new aluminum casting alloy includes not greater than 0.001 wt. % of P-A15FeSi compounds. In another embodiment, anew aluminum casting alloy includes not greater than 0.0005 wt. % of -Al5FeSi compounds.
  • a new aluminum casting alloy may include an amount of magensium, silicon, manganese and iron sufficient to satisfy the following requirements:
  • the new aluminum casting alloys may optionally include up to 0.15 wt. % Ti.
  • a new aluminum casting alloy includes at least 0.01 wt. % Ti.
  • a new aluminum casting alloy includes at least 0.03 wt. % Ti.
  • a new aluminum casting alloy includes at least 0.05 wt. % Ti.
  • a new aluminum casting alloy includes at least 0.07 wt. % Ti.
  • a new aluminum casting alloy includes not greater than 0.13 wt. % Ti.
  • a new aluminum casting alloy includes not greater than 0.115 wt. % Ti.
  • a new aluminum casting alloy includes not greater than 0.10 wt.
  • a new aluminum casting alloy include an amount of titanium sufficient to faciltiate grain refining while resticting / avoiding formation of primary titanium-containing particles.
  • titanium is included in a new aluminum casting alloy as an impurity.
  • the new aluminum casting alloys may optionally include up to 0.10 wt. % Sr.
  • a new aluminum casting alloy includes an amount of strontium sufficient to faciltiate modification of the Mg 2 Si eutectic while resticting / avoiding formation of primary strontium-containing particles.
  • a new aluminum casting alloy includes at least 0.005 wt. % Sr.
  • a new aluminum casting alloy includes not greater than 0.08 wt. % Sr.
  • a new aluminum casting alloy includes not greater than 0.05 wt. % Sr.
  • strontium is included in a new aluminum casting alloy as an impurity.
  • the new aluminum casting alloys may optionally include up to 0.15 wt. % of any of Zr, Sc, Hf, V, and Cr.
  • anew aluminum casting alloy includes an amount of zirconiun, scandium, hafnium, vanadium, and/or chromium sufficient to facilitate solid solution strenghtening while resticting / avoiding formation of primary particles containing zirconium, scandium, hafnium, vanadium, and chromium.
  • a new aluminum casting alloy includes at least 0.01 wt. % of any of Zr, Sc, Hf, V, and Cr.
  • a new aluminum casting alloy includes at least 0.03 wt.
  • a new aluminum casting alloy includes at least 0.05 wt. % of any of Zr, Sc, Hf, V, and Cr. In one embodiment, a new aluminum casting alloy includes not greater than 0.10 wt. % of any of Zr, Sc, Hf, V, and Cr.
  • zirconium is included in a new aluminum casting alloy as an impurity.
  • scandium is included in a new aluminum casting alloy as an impurity.
  • hafnium is included in a new aluminum casting alloy as an impurity.
  • vanadium is included in a new aluminum casting alloy as an impurity.
  • chromium is included in a new aluminum casting alloy as an impurity.
  • the balance of the new aluminum casting alloys is generally aluminum and unavoiable impurities.
  • anew aluminum casting alloy comprises not greater than 0.30 wt. % of the unavoiable impurities, and wherein the new aluminum casting alloy comprises not greater than 0.10 wt. % of any one element of the unavoiable impurities.
  • a new aluminum casting alloy comprises not greater than 0.15 wt. % of the unavoiable impurities, and wherein the new aluminum casting alloy comprises not greater than 0.05 wt. % of any one element of the unavoiable impurities.
  • a new aluminum casting alloy comprises not greater than 0.10 wt. % of the unavoiable impurities, and wherein the new aluminum casting alloy comprises not greater than 0.03 wt. % of any one element of the unavoiable impurities.
  • the new aluminum casting alloys may be cast using any suitable casting method.
  • a new alumimum casting alloy is a direct chill cast as an ingot or billet.
  • a new aluminum casting alloy is shape cast into a shape cast product (e.g., a complex shape cast product, such as a complex automotive compontent).
  • the shape cast product is an automotive structural component.
  • the shape cast product is a door frame.
  • the shape cast product is a shock tower.
  • the shape cast product is a tunnel structure for an automobile.
  • the shape casting comproses high pressure die casting. In another embodiment, the shape casting comprises permanent mold casting.
  • the new aluminum casting alloys do not require a solution heat treatment step.
  • the new aluminum casting alloys may be provided, therefore, in the appopriate temper, such as in the F temper or the T5 temper.
  • the new aluminum casting alloys may realize an improved combination of properties, such as an improved combination of at least two of strength, ductility, castability, die soldering resistance and quality index.
  • Mechanical properties may be measured in accordance with ASTM E8 and B557 (e.g., when directionally solidified). Castability may be measured using the HCTI method described herein. Die soldering resistance may be determined by casting the alloy.
  • a new aluminum casting alloy realizes an ultimate tensile strength of at least 200 MPa. In another enbodiment, a new aluminum casting alloy realizes an ultimate tensile strength of at least 210 MPa. In yet another enbodiment, a new aluminum casting alloy realizes an ultimate tensile strength of at least 220 MPa. In another enbodiment, a new aluminum casting alloy realizes an ultimate tensile strength of at least 230 MPa.
  • a new aluminum casting alloy realizes a tensile yield strength of at least 100 MPa. In another enbodiment, a new aluminum casting alloy realizes an tensile yield strength of at least 105 MPa. In yet another enbodiment, a new aluminum casting alloy realizes an tensile yield strength of at least 110 MPa. In another enbodiment, a new aluminum casting alloy realizes an tensile yield strength of at least 115 MPa. In another enbodiment, a new aluminum casting alloy realizes an tensile yield strength of at least 120 MPa. In another enbodiment, a new aluminum casting alloy realizes an tensile yield strength of at least 125 MPa. Any of the above tensile yield strength values may be realized with any of the above ultimate tensile strength values.
  • anew aluminum casting alloy realizes an elongation of at least 7%. In another embodiment, a new aluminum casting alloy realizes an elongation of at least 8%. In yet another embodiment, a new aluminum casting alloy realizes an elongation of at least 9%. In another embodiment, a new aluminum casting alloy realizes an elongation of at least 10%. In yet another embodiment, a new aluminum casting alloy realizes an elongation of at least 11%. In another embodiment, a new aluminum casting alloy realizes an elongation of at least 12%. In yet another embodiment, a new aluminum casting alloy realizes an elongation of at least 13%. In another embodiment, a new aluminum casting alloy realizes an elongation of at least 14%.
  • a new aluminum casting alloy realizes an elongation of at least 15%. In another embodiment, a new aluminum casting alloy realizes an elongation of at least 16%, or higher. Any of the above elongation values may be realized with any of the above ultimate tensile strength or tensile yield strength values.
  • a new aluminum casting alloy realizes a HCTI of not greater than 0.30. In another embodiment, a new aluminum casting alloy realizes a HCTI of not greater than 0.25. In yet another embodiment, a new aluminum casting alloy realizes a HCTI of not greater than 0.20. In another embodiment, a new aluminum casting alloy realizes a HCTI of not greater than 0.15, or lower.
  • a new aluminum casting alloy is die soldering resistant wherein the as-cast aluminum alloy product is removed from the die without damage to the cast product and/or without sticking to the die. Die soldering can occur during high pressure die casting wherein molten aluminum solders to the die surface. In some embodiments, the new aluminum casting alloys described herein may be cast without being soldered to the die.
  • FIG. 1 is a graph showing silicon content versus hot cracking tendency index for Example 1 alloys.
  • FIG. 2 is a graph showing silicon content versus hot cracking tendency index for Example 2 alloys.
  • FIG. 3 is a graph showing silicon content versus hot cracking tendency index for Example 3 alloys.
  • FIG. 4 is a graph showing manganese content versus hot cracking tendency index for Example 4 alloys.
  • FIG. 5a is a graph showing beta phase content (shown in wt. %) as a function of Mn and Fe content based on ICME modeling; the amounts of 3.6 wt. % Mg and 1.5 wt % Si were kept constant.
  • FIG. 5b is a graph showing alpha phase content (shown in wt. %) as a function of Mn and Fe content based on ICME modeling; the amounts of 3.6 wt. % Mg and 1.5 wt % Si were kept constant.
  • FIG. 6 is a graph showing beta phase content (shown in wt. %) as a function of Fe content based on ICME modeling; the amounts of 3.6 wt. % Mg, 1.5 wt % Si and 0.5 wt. % Mn were kept constant.
  • FIG. 7a is a graph showing ultimate tensile strength (MPa) versus iron content (wt. %) for Example 6 alloys.
  • FIG. 7b is a graph showing elongtion (%) versus iron content (wt. %) for Example 6 alloys.
  • FIG. 7c is a graph showing tensile yield strength (MPa) versus iron content (wt. %) for Example 6 alloys.
  • FIG. 7d is a graph showing quality index (Q in MPa) versus iron content (wt. %) for Example 6 alloys.
  • FIG. 8a is a graph showing HCI (computed hot cracking index) as a function of Si and Mg content based on ICME modeling; the amounts of 0.70 wt. % Mn and 0.25 wt. % Fe were kept constant.
  • FIG. 8b is a graph showing non-equilibrium solidificaiton temperature range (in °C) as a function of Si and Mg content based on ICME modeling; the amounts of 0.70 wt. % Mn and 0.25 wt. % Fe were kept constant.
  • FIG. 8c is a graph showing showing HCI (computed hot cracking index) as a function of Si and Mn content based on ICME modeling; the amounts of 4.0 wt. % Mg and 0.25 wt. % Fe were kept constant.
  • FIG. 8d is a graph showing showing HCI (computed hot cracking index) as a function of Si and Fe content based on ICME modeling; the amounts of 4.0 wt. % Mg and 0.70 wt. % Mn were kept constant.
  • Table 2 Five tests per alloy were conducted and at various connection sizes. Table 2, below, provides the hot cracking results. In the below table,“C” means cracked during casting,“OK” means casting was successful without cracking, and“NF” means the pencil probe mold was not completely filled.
  • the hot cracking tendency index (“HCTI”) of each alloy was calculated in accordance with the results. Table 2 also lists the calculated HCTI for each alloy.
  • the hot cracking tendency index (HCTI) of an alloy is defined as
  • the HCTI value will be 0. If cracking is found in all 7 connection rods (from 4 mm to 16 mm), the HCTI value will be 1. Therefore, a smaller HCTI indicates a higher hot cracking resistance for a specific alloy.
  • FIG. 1 shows a plot of the silicon content versus the determined HCTI value.
  • alloys having from about 1 to about 2 wt. % Si at similar amounts of Fe, Mn, Mg and Ti realized improved hot cracking resistance.
  • the Mg/Si ratio for these alloys is from about 2.0 to 3.0.
  • Alloy A4 with 1.56 wt. % Si had a Mg to Si ratio of 2.26.
  • Example 2 [0044] Four additional alloys were cast and their hot cracking susceptibility was determined, as per Example 1. Like Example 1, the silicon content was again varied, but using a lower nominal amount of magnesium and manganese. The compositions of the Example 2 alloys are shown in Table 3, below. The HCTI results for the Example 2 alloys are shown in the below figure. Alloy B2 showed the best hot cracking resistance. The Mg/Si ratio for this alloy is about 2.65.
  • FIG. 2 shows the experimental measured hot cracking tendency indexes of the Al- 2.5Mg-l. lMn-x%Si alloys. Alloy B2, with 0.96 wt. % Si and 2.54 wt. % Mg, showed the best hot cracking resistance. The Mg/Si ratio for this alloy is about 2.65.
  • Example 3 The compositions of the Example 3 alloys are shown in Table 4, below.
  • the HCTI results for the Example 3 alloys are shown in FIG. 3. As shown, the HCTI for all alloys is generally good. The lowest HCTI was realized by alloy C3 with a Mg/Si ratio of 2.22.
  • the Mg/Si weight ratio
  • the Mg/Si should be from about 1.7 to about 3.6, preferably from about 2.0 to about 3.0 to facilitate hot cracking resistance.
  • Example 4 Four additional alloys were cast and their hot cracking susceptibility was determined, as per Example 1. This time, the manganese content was varied, targeting a nominal magnesium amount of 3.6 wt. % and a nominal silicon amount of 1.5 wt. %.
  • the compositions of the Example 4 alloys are shown in Table 5, below.
  • the HCTI results for the Example 4 alloys are shown in FIG. 4. As shown, the HCTI for all alloys is generally good. Alloy D4 with 1.20 wt. % Mn realized the best HCTI results.
  • Example 5 The compositions of the Example 5 alloys are shown in Table 6, below.
  • the HCTI results for the Example 5 alloys are shown in the below figure. As shown, the HCTI for all alloys is generally good. Alloy E4 with 0.29 wt. % Fe realized the best HCTI results.
  • FIGS. 5a, 5b and 6 show the correlation between manganese and iron content and the volume fraction on b-AEFeSi and a- AhsFeM SE phase particles (for a Al-3.6Mg-l.5Si alloys).
  • Adding Mn to the Al-Mg-Si alloys can promote formation of a-AhsFeM SE phase and restrict or prevent formation of b- AEFeSi phase.
  • a Al-3.6Mg-l.5Si alloy with from 0.4 to 0.6 wt. % Mn using increased iron amounts decreases the amount of b-AEFeSi phase.
  • the amount of b-AEFeSi phase decreases from about 0.018 wt. % to essentially 0 wt. % by increasing iron from 0.15 wt. % to 0.4 wt. %.
  • alloys having improved properties e.g., elongation
  • the first group (F) targeted a nominal magnesium amount of 3.6 wt. %, a nominal silicon amount of 1.5 wt. %, and a nominal manganese amount of 0.90 wt. %.
  • the second group (G) targeted a nominal magnesium amount of 4.0 wt. %, a nominal silicon amount of 1.7 wt. %, and a nominal manganese amount of 0.65 wt. %.
  • the compositions of the Example 6 alloys are shown in Table 7, below.

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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)
  • Continuous Casting (AREA)
  • Refinement Of Pig-Iron, Manufacture Of Cast Iron, And Steel Manufacture Other Than In Revolving Furnaces (AREA)
  • Mold Materials And Core Materials (AREA)
  • Manufacture Of Alloys Or Alloy Compounds (AREA)

Abstract

L'invention concerne de nouveaux alliages de moulage (de fonderie) d'aluminium. Les nouveaux alliages de moulage d'aluminium comprennent généralement de 2,5 à 5,0 % pds de Mg, de 0,70 à 2,5 % pds de Si, le rapport Mg/Si (en pourcentage pondéral) étant compris entre 1,7 et 3,6, de 0,40 à 1,50 % pds de Mn, de 0,15 à 0,60 % pds de Fe, éventuellement jusqu'à 0,15 % pds de Ti, éventuellement jusqu'à 0,10 % pds de Sr, éventuellement jusqu'à 0,15 % pds de l'un quelconque parmi Zr, Sc, Hf, V et Cr, le reste étant de l'aluminium et des impuretés inévitables. Les nouveaux alliages de moulage d'aluminium peuvent être coulés sous haute pression, par exemple en composants automobiles. Les nouveaux alliages d'aluminium peuvent être fournis dans un état F ou un état T5, par exemple.
EP19773328.0A 2018-05-07 2019-05-06 Alliages de moulage d'al-mg-si-mn-fe Active EP3589766B1 (fr)

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ES2949017T3 (es) 2023-09-25
DE202019105466U1 (de) 2020-01-13
KR20200140917A (ko) 2020-12-16
CN110603341A (zh) 2019-12-20
US20190352745A1 (en) 2019-11-21
EP3589766A4 (fr) 2020-09-02
JP7438134B2 (ja) 2024-02-26
JP2021523291A (ja) 2021-09-02
EP3589766B1 (fr) 2023-06-28
WO2019217319A1 (fr) 2019-11-14
CA3099043A1 (fr) 2019-11-14
PL3589766T3 (pl) 2023-07-31
EP4234123A2 (fr) 2023-08-30

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