EP1645647B1 - Alliage d'aluminium à vieillissement à froid et procédé de fabrication d'une pièce coulée - Google Patents

Alliage d'aluminium à vieillissement à froid et procédé de fabrication d'une pièce coulée Download PDF

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Publication number
EP1645647B1
EP1645647B1 EP05019300A EP05019300A EP1645647B1 EP 1645647 B1 EP1645647 B1 EP 1645647B1 EP 05019300 A EP05019300 A EP 05019300A EP 05019300 A EP05019300 A EP 05019300A EP 1645647 B1 EP1645647 B1 EP 1645647B1
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EP
European Patent Office
Prior art keywords
weight
percent
alloy
aluminium
primary
Prior art date
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Active
Application number
EP05019300A
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German (de)
English (en)
Other versions
EP1645647B8 (fr
EP1645647A1 (fr
EP1645647B2 (fr
Inventor
Jana Dipl.-Ing. Borchmann
Ursula Dipl.-Ing. Carlson
Ina Dipl.-Ing. Diederichs-Mittler
Andreas Dr. Ing. Kleine
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Trimet Aluminium SE
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Trimet Aluminium SE
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Application filed by Trimet Aluminium SE filed Critical Trimet Aluminium SE
Priority to PL05019300T priority Critical patent/PL1645647T5/pl
Publication of EP1645647A1 publication Critical patent/EP1645647A1/fr
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Classifications

    • 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
    • C22F1/043—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 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
    • 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
    • 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

Definitions

  • the invention relates to a cold-hardening cast aluminum alloy, which was melted on the basis of metallurgical aluminum Al 99.9 and at high tensile strength and yield strength still has an elongation of well over 1%, and a method for producing an aluminum casting.
  • the alloy 226A (VDS list) is known as a standardized casting alloy of the type G-AlSi8Cu3.
  • the chemical composition of this alloy is given in weight percent (Gw%) as follows: silicon 7.5-9.5 Gw%, iron max 0.8 Gw%, copper 2-3.5 Gw%, manganese 0.15-0 , 65% by weight, magnesium 0.05-0.55% by weight, nickel max 0.35% by weight, zinc max 1.2% by weight, titanium max 0.25% by weight, lead max 0.25% by weight, chromium max 0.15% by weight, balance aluminum and other admixtures 0.05% (individually) and 0.25% by weight (total).
  • a cold-hardening cast aluminum alloy and a method for producing an aluminum casting with high tensile strength and yield strength with simultaneously improved ductility should be specified.
  • the alloy should be easy to cast and suitable for the production of thermally highly stressable castings.
  • the castings should also be well weldable by conventional means.
  • sample thickness a 3mm
  • sample width b 8mm
  • head width B 12mm
  • head height h 15mm
  • initial length L0 30mm
  • Trial length Lc 33mm
  • total length Lt 80mm.
  • microstructures were compared. It was found that only small amounts of Mg 2 Si phases were formed in the alloy according to the invention. The recrystallization temperature was likewise markedly increased in the case of the alloy according to the invention. Furthermore, the number of beta-Al-Fe-Si needles was reduced by about 80%, which suggests a significantly improved ductility of the alloy according to the invention.

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  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • Engineering & Computer Science (AREA)
  • Metallurgy (AREA)
  • Materials Engineering (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Continuous Casting (AREA)
  • Pressure Welding/Diffusion-Bonding (AREA)
  • Laminated Bodies (AREA)
  • Manufacture Of Alloys Or Alloy Compounds (AREA)
  • Conductive Materials (AREA)
  • Forging (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)
  • Electroplating Methods And Accessories (AREA)
  • Refinement Of Pig-Iron, Manufacture Of Cast Iron, And Steel Manufacture Other Than In Revolving Furnaces (AREA)
  • Mold Materials And Core Materials (AREA)

Claims (3)

  1. Un alliage d'aluminium fondu durcissant à froid qui a été élaboré sur la base d'un aluminium de première fusion, ayant un degré de pureté de Al 99,9 ou mieux comme alliage primaire, et qui présente non seulement une haute résistance à la traction et une haute limite d'élasticité, mais encore une extension supérieure à 1% , caractérisé par les contenus d'alliage suivants définis en pourcentage pondéral, à savoir: silicium 6 - 11 % en poids cuivre 2,0 - 4,0% en poids manganèse 0,65 - 1,0% en poids zinc 0,5 - 3,5% en poids strontium 0,01 - 0,04% en poids magnésium 0,55% en poids max. fer 0,2% en poids max. titane 0,2% en poids max.
    et facultativement un ou plusieurs éléments du groupe :
    - argent    0,01 - 0,80% en poids
    - samarium    0,01 - 1,0% en poids
    - nickel    0,01 - 0,40% en poids
    et/ou facultativement jusqu'à 0,4% en poids de cérium,
    et/ou facultativement un ou plusieurs éléments du groupe :
    - cadmium    0,01 - 0,30% en poids
    - indium    0,1 - 0,20% en poids
    et/ou facultativement jusqu'à 0,001 % en poids de béryllium,
    un reste d'aluminium et des impuretés dues à la fabrication.
  2. Un procédé de fabrication d'une pièce moulée en fonte d'aluminium durcissant à froid qui présente une haute résistance à la traction et une haute limite d'élasticité, une extension nettement supérieure à 1%, caractérisée par le fait qu'un alliage de AlSiCu fondu, conformément à la revendication 1, a été élaboré sur la base d'un métal de première fusion ayant un degré de pureté de Al 99,9 ou mieux et que la coulée soit suivie immédiatement d'un refroidissement durant 7 à 9 jours.
  3. Un procédé de fabrication, conformément à la revendication 2, caractérisé par le fait qu'un réchauffement à une température de 160 à 240°C a été effectué après le refroidissement, afin d'améliorer les propriétés de résistance, tout en conservant le haut degré d'extension de 1,5% et plus.
EP05019300.2A 2004-10-08 2005-09-06 Alliage d'aluminium à vieillissement à froid et procédé de fabrication d'une pièce coulée Active EP1645647B8 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL05019300T PL1645647T5 (pl) 2004-10-08 2005-09-06 Aluminiowy stop odlewniczy, utwardzalny ze starzeniem naturalnym i sposób wytwarzania odlewu aluminiowego

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102004049074A DE102004049074A1 (de) 2004-10-08 2004-10-08 Kaltaushärtende Aluminiumgusslegierung und Verfahren zur Herstellung eines Aluminiumgussteils

Publications (4)

Publication Number Publication Date
EP1645647A1 EP1645647A1 (fr) 2006-04-12
EP1645647B1 true EP1645647B1 (fr) 2007-12-05
EP1645647B2 EP1645647B2 (fr) 2013-06-12
EP1645647B8 EP1645647B8 (fr) 2013-07-24

Family

ID=35159870

Family Applications (1)

Application Number Title Priority Date Filing Date
EP05019300.2A Active EP1645647B8 (fr) 2004-10-08 2005-09-06 Alliage d'aluminium à vieillissement à froid et procédé de fabrication d'une pièce coulée

Country Status (5)

Country Link
EP (1) EP1645647B8 (fr)
AT (1) ATE380260T1 (fr)
DE (2) DE102004049074A1 (fr)
NO (1) NO346421B1 (fr)
PL (1) PL1645647T5 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9446447B2 (en) 2010-02-11 2016-09-20 Ksm Castings Group Gmbh Method and device for producing motor vehicle chassis parts
EP4079880A4 (fr) * 2019-12-20 2023-01-25 BYD Auto Industry Company Limited Alliage d'aluminium et application correspondante

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1997924B1 (fr) 2007-05-24 2009-12-23 ALUMINIUM RHEINFELDEN GmbH Alliage d'aluminium résistant à la chaleur
US11471984B2 (en) 2018-06-28 2022-10-18 Scandium International Mining Corporation Control of recrystallization in cold-rolled AlMn(Mg)ScZr sheets for brazing applications
CN108866460B (zh) * 2018-07-20 2020-08-07 合肥工业大学 一种Al-Si-Mg-Zr-Ti-Sc合金的时效工艺
CN117646138A (zh) * 2024-01-30 2024-03-05 鸿劲新材料研究(南通)有限公司 一种隔爆防爆用铝合金材料及制备方法

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB747057A (en) † 1953-04-16 1956-03-28 Gen Motors Corp Improved aluminium base bearing alloy
DE1255928B (de) * 1966-01-13 1967-12-07 Metallgesellschaft Ag Verfahren zur Erzielung eines langanhaltenden Veredelungseffektes in Aluminium-Silicium-Legierungen
US3619181A (en) * 1968-10-29 1971-11-09 Aluminum Co Of America Aluminum scandium alloy
DE2326193C3 (de) * 1973-05-23 1981-06-04 Vereinigte Aluminium-Werke Ag, 5300 Bonn Lot zum flußmittelfreien Löten von Aluminiumwerkstoffen
JPS5419409A (en) † 1977-07-14 1979-02-14 Showa Denko Kk High strength aluminium alloy for die casting
US4648918A (en) * 1984-03-02 1987-03-10 Kabushiki Kaisha Kobe Seiko Sho Abrasion resistant aluminum alloy
JPS63259045A (ja) * 1987-04-16 1988-10-26 Mitsubishi Motors Corp 鋳造用アルミニウム合金
WO1996010099A1 (fr) * 1994-09-26 1996-04-04 Ashurst Technology Corporation (Ireland) Limited Alliages de fonderie d'aluminium a haute resistance pour applications structurelles
DE10339705B4 (de) † 2002-08-29 2008-03-13 Nippon Light Metal Co. Ltd. Hochfester Aluminiumlegierungsguss und Verfahren zu dessen Herstellung

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9446447B2 (en) 2010-02-11 2016-09-20 Ksm Castings Group Gmbh Method and device for producing motor vehicle chassis parts
EP4079880A4 (fr) * 2019-12-20 2023-01-25 BYD Auto Industry Company Limited Alliage d'aluminium et application correspondante

Also Published As

Publication number Publication date
DE102004049074A1 (de) 2006-04-13
NO20054576D0 (no) 2005-10-05
EP1645647B8 (fr) 2013-07-24
EP1645647A1 (fr) 2006-04-12
PL1645647T5 (pl) 2014-03-31
EP1645647B2 (fr) 2013-06-12
NO20054576L (no) 2006-04-10
NO346421B1 (no) 2022-07-25
PL1645647T3 (pl) 2008-07-31
DE502005002140D1 (de) 2008-01-17
ATE380260T1 (de) 2007-12-15

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