EP3277854B1 - Alliage d'aluminium, procédé de fabrication d'un composant d'un moteur, composant d'un moteur et son procédé de fabrication - Google Patents

Alliage d'aluminium, procédé de fabrication d'un composant d'un moteur, composant d'un moteur et son procédé de fabrication Download PDF

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Publication number
EP3277854B1
EP3277854B1 EP16710767.1A EP16710767A EP3277854B1 EP 3277854 B1 EP3277854 B1 EP 3277854B1 EP 16710767 A EP16710767 A EP 16710767A EP 3277854 B1 EP3277854 B1 EP 3277854B1
Authority
EP
European Patent Office
Prior art keywords
casting alloy
aluminium casting
engine component
manufacture
alloy according
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.)
Active
Application number
EP16710767.1A
Other languages
German (de)
English (en)
Other versions
EP3277854A1 (fr
Inventor
Klaus Lades
Roman Morgenstern
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.)
Federal Mogul Nuernberg GmbH
Original Assignee
Federal Mogul Nuernberg GmbH
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Federal Mogul Nuernberg GmbH filed Critical Federal Mogul Nuernberg GmbH
Priority to PL16710767T priority Critical patent/PL3277854T3/pl
Publication of EP3277854A1 publication Critical patent/EP3277854A1/fr
Application granted granted Critical
Publication of EP3277854B1 publication Critical patent/EP3277854B1/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
    • C22C21/02—Alloys based on aluminium with silicon as the next major constituent
    • 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
    • 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 
    • 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

Definitions

  • the present invention relates to an aluminum casting alloy, a method for manufacturing an engine component, in particular a piston for an internal combustion engine, in which an aluminum casting alloy is gravity-poured by casting, an engine component at least partially made of an aluminum casting alloy, and the use an aluminum casting alloy for producing such an engine component.
  • a piston for a combustion engine must have a high heat resistance and at the same time to be as light and firm 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
  • HCF isothermal fatigue strength
  • TMF thermo-mechanical fatigue strength
  • high-alloy near-eutectic or hypereutectic aluminum-silicon alloys feature favorable mechanical properties at high operating temperatures.
  • the phase size must be limited.
  • the DE 10 2011 083 969 A1 discloses in this context a method for producing an engine component, in particular a piston for an internal combustion engine, at an aluminum alloy is poured by gravity die casting process.
  • the aluminum alloy has the following alloying elements: silicon: 6 wt .-% to 10 wt .-%, nickel: 1.2 wt .-% to 2 wt .-%, copper: 8 wt .-% to 10 wt.
  • magnesium 0.5 wt .-% to 1.5 wt .-%
  • iron 0.1 wt .-% to 0.7 wt .-%
  • manganese 0.1 wt .-% to 0 , 4 wt .-%
  • zirconium 0.2 wt .-% to 0.4 wt .-%
  • vanadium 0.1 wt .-% to 0.3 wt .-%
  • titanium 0.1 wt. -% to 0.5 wt .-%.
  • high concentrations of the costly element copper are needed to make the high temperature alloy.
  • conventional aluminum casting alloys for thermally heavy duty engine components typically require between 5 and 7 weight percent for the sum of the alloying elements copper and nickel and 11 to 13 weight percent silicon.
  • the high silicon content increases the risk of large and numerous primary silicon precipitations.
  • An object of the present invention is to provide a high-temperature cast aluminum alloy which can be produced inexpensively.
  • the concentration of the alloying element iron according to the invention leads to a high proportion of intermetallic phases.
  • intermetallic phases By fine-tuning with respect to the other alloying elements, in particular copper and nickel, however, the formation of large, plate-shaped intermetallic phases is avoided. The latter limit both the castability, as well as the strength and durability of a made of this material component. Instead, the formed intermetallic phases are finely distributed, heat-resistant and thermally stable and therefore act as strength enhancing precipitates. This results in favorable properties in terms of the isothermal fatigue strength and the thermo-mechanical fatigue strength.
  • the relatively low contents of copper and nickel also advantageously reduce the overall costs of alloy production, because they are among the most expensive alloying elements, so that each (partial) substitution of the two elements brings significant cost savings.
  • Reducing the silicon concentration over conventional aluminum-silicon alloys also advantageously results in alloying with fewer and smaller primary silicon phases, such that susceptibility to crack initiation and propagation is greatly reduced, particularly under TMF stress.
  • the invented aluminum casting alloy is processed according to the invention in the gravity die casting process.
  • An engine component in particular a piston for an internal combustion engine, preferably consists at least partially of one of the aluminum casting alloys according to the invention.
  • Such an engine component according to the invention has a high heat resistance.
  • a piston produced according to the invention only a small amount of primary silicon is present in its thermally highly loaded bowl edge region, so that the alloy leads in particular to a very high heat resistance of a piston produced according to the invention.
  • a further aspect of the invention resides in the preferred use of the above-described aluminum casting alloy for the production of an engine component, in particular a piston of an internal combustion engine.

Landscapes

  • 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 (10)

  1. Alliage coulé en aluminium, caractérisé en ce que l'alliage coulé en aluminium se compose des éléments d'alliage suivants : silicium : 9,0 % en poids à < 10,5 % en poids, nickel : 0,8 % en poids à < 1,9 % en poids, cuivre : 1,8 % en poids à < 3,6 % en poids, magnésium : 0,5 % en poids à 1,8 % en poids, fer : 0,9 % en poids à < 1,4 % en poids, zirconium et/ou vanadium : respectivement 0,05 à <= 0,3 respectivement 0,2 % en poids, manganèse : jusqu'à <= 0,4 % en poids, titane : jusqu'à <= 0,15 % en poids, phosphore : jusqu'à <= 0,05 % en poids,
    et le reste étant de l'aluminium et des impuretés inévitables.
  2. Alliage coulé en aluminium selon la revendication 1, caractérisé en ce qu'il contient 9,0 % en poids à 9,5 % en poids ou 9,5 % en poids à < 10,5 % en poids de silicium.
  3. Alliage coulé en aluminium selon la revendication 1 ou 2, caractérisé en ce qu'il contient 1,0 % en poids à < 1,5 % en poids de nickel.
  4. Alliage coulé en aluminium selon l'une quelconque des revendications 1 à 3, caractérisé en ce qu'il contient > 3,0 % en poids à < 3,6 % en poids de cuivre.
  5. Alliage coulé en aluminium selon l'une quelconque des revendications 1 à 4, caractérisé en ce qu'il contient > 0,5 % en poids à < 0,9 % en poids de magnésium.
  6. Alliage coulé en aluminium selon l'une quelconque des revendications 1 à 5, caractérisé en ce qu'il contient 0,9 % en poids à 1,1 % en poids de fer.
  7. Alliage coulé en aluminium selon l'une quelconque des revendications 1 à 6, caractérisé en ce qu'il contient 0,2 % en poids à 0,4 % en poids de manganèse.
  8. Procédé de fabrication d'un composant moteur selon le procédé de moulage en coquille par gravité, en particulier d'un piston pour un moteur à combustion interne, caractérisé en ce qu'un alliage coulé en aluminium selon l'une quelconque des revendications 1 à 7 est coulé.
  9. Composant moteur, en particulier piston pour un moteur à combustion interne, caractérisé en ce qu'il se compose au moins en partie d'un alliage coulé en aluminium selon l'une quelconque des revendications 1 à 7.
  10. Utilisation d'un alliage coulé en aluminium pour la fabrication d'un composant moteur, en particulier d'un piston pour un moteur à combustion interne, caractérisé en ce qu'un alliage coulé en aluminium selon l'une quelconque des revendications 1 à 7 est utilisé.
EP16710767.1A 2015-04-01 2016-03-21 Alliage d'aluminium, procédé de fabrication d'un composant d'un moteur, composant d'un moteur et son procédé de fabrication Active EP3277854B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL16710767T PL3277854T3 (pl) 2015-04-01 2016-03-21 Odlewniczy stop aluminium, sposób wytwarzania elementu konstrukcyjnego silnika, element konstrukcyjny silnika i zastosowanie odlewniczego stopu aluminium do wytwarzania elementu konstrukcyjnego silnika

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102015205895.6A DE102015205895A1 (de) 2015-04-01 2015-04-01 Aluminium-Gusslegierung, Verfahren zur Herstellung eines Motorbauteils, Motorbauteil und Verwendung einer Aluminium-Gusslegierung zur Herstellung eines Motorbauteils
PCT/EP2016/056123 WO2016156084A1 (fr) 2015-04-01 2016-03-21 Alliage coulé en aluminium, procédé de fabrication d'un composant de moteur, composant de moteur et utilisation d'un alliage coulé en aluminium pour la fabrication d'un composant de moteur

Publications (2)

Publication Number Publication Date
EP3277854A1 EP3277854A1 (fr) 2018-02-07
EP3277854B1 true EP3277854B1 (fr) 2019-02-20

Family

ID=55586320

Family Applications (1)

Application Number Title Priority Date Filing Date
EP16710767.1A Active EP3277854B1 (fr) 2015-04-01 2016-03-21 Alliage d'aluminium, procédé de fabrication d'un composant d'un moteur, composant d'un moteur et son procédé de fabrication

Country Status (12)

Country Link
US (1) US20180094337A1 (fr)
EP (1) EP3277854B1 (fr)
JP (1) JP2018516310A (fr)
KR (1) KR20170132196A (fr)
CN (1) CN107532244A (fr)
BR (1) BR112017021093A2 (fr)
DE (1) DE102015205895A1 (fr)
ES (1) ES2717520T3 (fr)
HU (1) HUE043248T2 (fr)
MX (1) MX2017012330A (fr)
PL (1) PL3277854T3 (fr)
WO (1) WO2016156084A1 (fr)

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60197838A (ja) * 1984-03-19 1985-10-07 Kobe Steel Ltd 耐摩耗性押出鍛造用アルミニウム合金
JPH07216497A (ja) * 1994-02-03 1995-08-15 Sumitomo Metal Ind Ltd 高疲労強度の薄鋼板または薄鋼板部品およびその製造方法
JPH07216487A (ja) * 1994-02-04 1995-08-15 Nippon Steel Corp 耐摩耗性、耐熱性に優れたアルミニウム合金およびその製造方法
JPH0860281A (ja) * 1994-08-15 1996-03-05 Nippon Steel Corp 高剛性・高耐熱性展伸用アルミニウム合金
GB2300198B (en) * 1995-04-28 1998-07-08 British Aluminium Holdings Lim Aluminium alloy
JP2000192180A (ja) * 1998-12-22 2000-07-11 Nippon Light Metal Co Ltd 疲労強度に優れたダイカスト製スクロール及びその製造方法
US6074501A (en) * 1999-06-28 2000-06-13 General Motors Corporation Heat treatment for aluminum casting alloys to produce high strength at elevated temperatures
JP4075523B2 (ja) * 2002-08-20 2008-04-16 株式会社豊田中央研究所 ピストン用アルミニウム鋳造合金，ピストン及びその製造方法
JP5116951B2 (ja) * 2005-05-26 2013-01-09 本田技研工業株式会社 鍛造ピストン
JP4982159B2 (ja) * 2006-11-16 2012-07-25 三協マテリアル株式会社 アルミニウム合金ビレット
DE102011083970A1 (de) * 2011-10-04 2013-04-04 Federal-Mogul Nürnberg GmbH Verfahren zur Herstellung eines Motorbauteils und Motorbauteil
DE102011083967A1 (de) * 2011-10-04 2013-04-04 Federal-Mogul Nürnberg GmbH Verfahren zur Herstellung eines Motorbauteils und Motorbauteil
DE102011083969A1 (de) 2011-10-04 2013-04-04 Federal-Mogul Nürnberg GmbH Verfahren zur Herstellung eines Motorbauteils und Motorbauteil
DE102012220765A1 (de) * 2012-11-14 2014-05-15 Federal-Mogul Nürnberg GmbH Verfahren zur Herstellung eines Motorbauteils, Motorbauteil und Verwendung einer Aluminiumlegierung
DE102014209102A1 (de) * 2014-05-14 2015-11-19 Federal-Mogul Nürnberg GmbH Verfahren zur Herstellung eines Motorbauteils, Motorbauteil und Verwendung einer Aluminiumlegierung

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
None *

Also Published As

Publication number Publication date
MX2017012330A (es) 2017-12-18
CN107532244A (zh) 2018-01-02
JP2018516310A (ja) 2018-06-21
PL3277854T3 (pl) 2019-06-28
BR112017021093A2 (pt) 2018-07-03
US20180094337A1 (en) 2018-04-05
KR20170132196A (ko) 2017-12-01
ES2717520T3 (es) 2019-06-21
WO2016156084A1 (fr) 2016-10-06
DE102015205895A1 (de) 2016-10-06
EP3277854A1 (fr) 2018-02-07
HUE043248T2 (hu) 2019-08-28

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