EP3024958A1 - Alliage pour coulée en aluminium résistant aux hautes températures et pièce coulée pour moteurs à combustion interne coulée à partir d'un tel alliage - Google Patents

Alliage pour coulée en aluminium résistant aux hautes températures et pièce coulée pour moteurs à combustion interne coulée à partir d'un tel alliage

Info

Publication number
EP3024958A1
EP3024958A1 EP14744487.1A EP14744487A EP3024958A1 EP 3024958 A1 EP3024958 A1 EP 3024958A1 EP 14744487 A EP14744487 A EP 14744487A EP 3024958 A1 EP3024958 A1 EP 3024958A1
Authority
EP
European Patent Office
Prior art keywords
cast
alloy
aluminum
casting
alloys
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
EP14744487.1A
Other languages
German (de)
English (en)
Other versions
EP3024958B1 (fr
Inventor
Michael RAFETZEDER
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.)
Nemak SAB de CV
Original Assignee
Nemak Linz 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 Nemak Linz GmbH filed Critical Nemak Linz GmbH
Priority to PL14744487T priority Critical patent/PL3024958T3/pl
Publication of EP3024958A1 publication Critical patent/EP3024958A1/fr
Application granted granted Critical
Publication of EP3024958B1 publication Critical patent/EP3024958B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

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
    • C22C21/12—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
    • C22C21/18—Alloys based on aluminium with copper as the next major constituent with zinc
    • 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
    • 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
    • C22F1/057—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 copper as the next major constituent

Definitions

  • the invention relates to an aluminum casting alloy, which can be cast well and has a high strength in the warm state even after a long service life at high operating temperatures.
  • the invention relates to a component for
  • Cast aluminum alloy is poured.
  • suitable cast aluminum alloys have a high yield strength in both space and in
  • Combustion engine can be created, the optimized mechanical properties when used at high
  • the solution to the above-mentioned object is that such a casting is cast from an aluminum casting alloy according to the invention.
  • the alloy according to the invention is suitable in particular for the casting production of
  • the cast aluminum alloy according to the invention contains, in addition to aluminum and production-related unavoidable
  • Impurities (in% by weight) 6.0-8.0% Cu, 0.3-0.55% Mn, 0.18-0.25% Zr, 3.0-7.0% Si, O, 05-0.2% Ti, up to 0.03% Sr, up to 0.04% V and up to 0.25% Fe.
  • aluminum cast alloy components reach in the state T6W, d. H. solution annealed and thermally aged for 4 hours at 240 ° C, at room temperature under static load in average regular tensile strength Rm of more than 260 MPa, a Brinell hardness HB of at least 90 HB, a yield strength Rp0.2 of at least 170 MPa and an elongation at break A of at least 1.65%.
  • Components at room temperature under static load in each case on average a tensile strength Rm of at least 190 MPa, a yield strength Rp0,2 of at least 90 MPa, a hardness HB of at least 67 HB and an elongation at break A of at least 3.5%. These values remain stable even after prolonged use at high temperatures. For example, occurs during a lasting over 500 h Use at 300 ° C virtually no change in the
  • the high-temperature strength of an aluminum casting alloy according to the invention is consequently significantly higher than in conventional, today standard used for the casting of internal combustion engine components
  • Cast aluminum alloy cast components have no optically detectable cracks and largely
  • Cast aluminum alloy thus allows the reliable casting production of castings, which also in high operating temperatures have optimal load capacity.
  • Cu is contained in the alloy according to the invention in contents of 6.0-8.0 wt .-% to the required
  • Cu contributes to the hardenability of the aluminum casting alloy.
  • Aluminum casting alloy according to the invention are ensured particularly secure when the Cu content at least
  • Aluminum casting alloy is in the range of 3.0 - 7.0 wt .-%.
  • the focus of the properties can be placed on the castability on the one hand and on the heat resistance on the other hand by an appropriate adjustment of the Si content within this content range.
  • aluminum alloy according to the invention is less than 5.0 wt .-%.
  • Aluminum casting alloy as stable in terms of their properties and behavior in a
  • the Si content of the aluminum alloy according to the invention can be increased to 5.0% by weight, in particular 5.5% by weight.
  • An aluminum alloy according to the invention which is optimized with regard to castability on the one hand and heat resistance on the other hand, results when the Si content is limited to at most 7% by weight, in particular to at most 6.5% by weight.
  • Aluminum casting alloy cast components This positive effect occurs in particular when the Mn Content of the aluminum casting alloy according to the invention is from 0.4 to 0.55 wt .-%.
  • Zr in amounts of 0.18-0.25 wt .-% contributes significantly to the fine grain of the structure of a
  • aluminum alloy according to the invention is 0.2-0.25% by weight.
  • Aluminum casting alloy existing titanium is expected to be 0.12 wt .-%.
  • Sr is optionally added to the cast aluminum alloy of the invention for refining.
  • the addition of Sr is therefore particularly in inventive
  • the Si contents of at least 5.0 wt .-% have.
  • at lower Si contents it is sufficient from the aluminum casting alloy
  • a further optimized with good castability in view of maximized mechanical properties of this variant variant consists of aluminum and unavoidable impurities and (in parts. %) 6.5-7.5% by weight Cu, 0.4-0.55% by weight Mn, 0.20-0.25% Zr, up to 0.12% Fe, 3.5% 4.5% Si, 0.08 - 0.12% Ti, up to 0.02% V and 0.05-0.02% Sr.
  • an aluminum casting alloy according to the invention (in% by weight) contains 6.0-8.0% Cu , 0.3-0.55% Mn, 0.18-0.25% Zr, up to 0.25% Fe, 5.0-7.0 Si, 0.05-0.2% Ti, up to 0.04% V and 0.01-0.03% Sr.
  • the invention is based on
  • Fig. 1 is a diagram in which each at
  • Aluminum casting alloys E1, E2, E3 according to the invention are compared with the mechanical properties of a casting sample made of a comparison alloy V in each case in state T6W;
  • Fig. 2 is a diagram in which each at 300 ° C.
  • Fig. 4 is a diagram in which each at 300 ° C.
  • cylinder heads produced by comparison alloy have higher strengths, however their breaking elongation A is in each case significantly lower than the breaking elongation A determined for the samples according to the invention.
  • Standard cast alloys Sl and S2 prepared, whose compositions listed in Table 5 the known aluminum casting alloys "AlSi7Cu0, 5Mg" and "AlSi6Cu4" correspond.
  • the cylinder heads cast from the standard alloys S1 and S2 were each subjected to the typical heat treatments. That's how they turned out
  • the alloy Sl-cast cylinder heads were subjected to a T6 air heat treatment and the cylinder heads cast from the alloy S2 were subjected to a T6 heat treatment.

Landscapes

  • 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)
  • Cylinder Crankcases Of Internal Combustion Engines (AREA)

Abstract

L'invention concerne un alliage pour coulée en aluminium comprenant (en % en poids) Cu : 6,0 - 8,0 %, Mn : 0,3 - 0,55 %, Zr : 0,18 - 0,25 %, Si : 3,0 - 7,0 %, Ti : 0,05 - 0,2 %, Sr : jusqu'à 0,03 %, V : jusqu'à 0,04 %, Fe : jusqu'à 0,25 %, le reste étant de l'aluminium et des impuretés inévitables, et une pièce coulée pour un moteur à combustion interne. L'alliage en coulée d'aluminium selon l'invention possède également, après une durée d'utilisation prolongée à des températures élevées, des propriétés mécaniques encore élevées, et peut par la même occasion être coulé de manière satisfaisante. La pièce coulée selon l'invention présente en outre des propriétés mécaniques optimisées lorsqu'elle est utilisée à des températures élevées et peut par la même occasion être produite de manière fiable par une technique de coulée.
EP14744487.1A 2013-07-22 2014-07-15 Alliage d'aluminium de fondèrie résistant a haute temperature et pièce de fonderie pour moteurs a combustion interne utilisant cet alliage Active EP3024958B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL14744487T PL3024958T3 (pl) 2013-07-22 2014-07-15 Żarowytrzymały odlewniczy stop aluminium i odlew do silników spalinowych odlewany z takiego stopu

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102013107810.9A DE102013107810A1 (de) 2013-07-22 2013-07-22 Hochwarmfeste Aluminiumgusslegierung und Gussteil für Verbrennungsmotoren gegossen aus einer solchen Legierung
PCT/EP2014/065130 WO2015010956A1 (fr) 2013-07-22 2014-07-15 Alliage pour coulée en aluminium résistant aux hautes températures et pièce coulée pour moteurs à combustion interne coulée à partir d'un tel alliage

Publications (2)

Publication Number Publication Date
EP3024958A1 true EP3024958A1 (fr) 2016-06-01
EP3024958B1 EP3024958B1 (fr) 2018-01-03

Family

ID=51229876

Family Applications (1)

Application Number Title Priority Date Filing Date
EP14744487.1A Active EP3024958B1 (fr) 2013-07-22 2014-07-15 Alliage d'aluminium de fondèrie résistant a haute temperature et pièce de fonderie pour moteurs a combustion interne utilisant cet alliage

Country Status (15)

Country Link
US (1) US9663848B2 (fr)
EP (1) EP3024958B1 (fr)
JP (1) JP6101402B2 (fr)
KR (1) KR101718118B1 (fr)
CN (1) CN105408510A (fr)
BR (1) BR112015018372B1 (fr)
DE (1) DE102013107810A1 (fr)
ES (1) ES2662347T3 (fr)
HU (1) HUE036331T2 (fr)
MX (1) MX2015016249A (fr)
PL (1) PL3024958T3 (fr)
RU (1) RU2606141C1 (fr)
TR (1) TR201802630T4 (fr)
WO (1) WO2015010956A1 (fr)
ZA (1) ZA201505425B (fr)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11220729B2 (en) 2016-05-20 2022-01-11 Ut-Battelle, Llc Aluminum alloy compositions and methods of making and using the same
US11242587B2 (en) 2017-05-12 2022-02-08 Ut-Battelle, Llc Aluminum alloy compositions and methods of making and using the same
CN107400809A (zh) * 2017-07-31 2017-11-28 江苏大学 锆锶复合微合金化的高强韧耐腐蚀低硅含量铝硅铜系铸造铝合金及制备方法
US11180839B2 (en) 2017-10-26 2021-11-23 Ut-Battelle, Llc Heat treatments for high temperature cast aluminum alloys
CN109402473B (zh) * 2018-12-11 2019-12-03 贵州大学 一种具有高Fe含量的Al-Si-Cu-Mn耐热铝合金及其制备方法
KR20200082875A (ko) 2018-12-31 2020-07-08 주식회사 팔 알루미늄 합금을 이용한 브레이크 캘리퍼의 제조 방법
CN110592448B (zh) * 2019-08-27 2021-06-22 江苏大学 耐热耐腐蚀2219型铝合金及其制备方法

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04202737A (ja) * 1990-11-30 1992-07-23 Showa Alum Corp 強度に優れた耐摩耗性アルミニウム合金
JP4132293B2 (ja) * 1997-10-15 2008-08-13 株式会社豊田中央研究所 耐疲労特性に優れたアルミニウム合金
US6419769B1 (en) * 1998-09-08 2002-07-16 The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration Aluminum-silicon alloy having improved properties at elevated temperatures and process for producing cast articles therefrom
US6918970B2 (en) 2002-04-10 2005-07-19 The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration High strength aluminum alloy for high temperature applications
RU2224811C2 (ru) * 2002-06-03 2004-02-27 Татьяна Николаевна Легкая Литейный сплав на основе алюминия
FR2857378B1 (fr) * 2003-07-10 2005-08-26 Pechiney Aluminium Piece moulee en alliage d'aluminium a haute resistance a chaud
RU2306351C1 (ru) * 2006-04-05 2007-09-20 Юлия Алексеевна Щепочкина Сплав на основе алюминия
RU2329321C2 (ru) * 2006-05-10 2008-07-20 Новосибирский государственный технический университет Антифрикционный сплав на основе алюминия
DE102009026725A1 (de) 2008-07-04 2010-01-07 Aleris Aluminum Koblenz Gmbh Aluminiumgusslegierung
DE102009012073B4 (de) * 2009-03-06 2019-08-14 Andreas Barth Verwendung einer Aluminiumgusslegierung
DE102011083968A1 (de) * 2011-10-04 2013-04-04 Federal-Mogul Nürnberg GmbH Verfahren zur Herstellung eines Motorbauteils und Motorbauteil

Also Published As

Publication number Publication date
KR20160048777A (ko) 2016-05-04
JP6101402B2 (ja) 2017-03-22
KR101718118B1 (ko) 2017-03-20
ES2662347T3 (es) 2018-04-06
MX2015016249A (es) 2016-03-11
JP2016531198A (ja) 2016-10-06
US20160168665A1 (en) 2016-06-16
RU2606141C1 (ru) 2017-01-10
DE102013107810A1 (de) 2015-02-19
HUE036331T2 (hu) 2018-06-28
BR112015018372B1 (pt) 2020-02-04
BR112015018372A2 (pt) 2017-07-18
CN105408510A (zh) 2016-03-16
EP3024958B1 (fr) 2018-01-03
US9663848B2 (en) 2017-05-30
WO2015010956A1 (fr) 2015-01-29
TR201802630T4 (tr) 2018-03-21
ZA201505425B (en) 2016-04-28
PL3024958T3 (pl) 2018-07-31

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