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EP1896621A2 - Alliage d'aluminium - Google Patents

Alliage d'aluminium

Info

Publication number
EP1896621A2
EP1896621A2 EP06741005A EP06741005A EP1896621A2 EP 1896621 A2 EP1896621 A2 EP 1896621A2 EP 06741005 A EP06741005 A EP 06741005A EP 06741005 A EP06741005 A EP 06741005A EP 1896621 A2 EP1896621 A2 EP 1896621A2
Authority
EP
European Patent Office
Prior art keywords
weight
aluminum alloy
alloy according
aluminum
alloy
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
EP06741005A
Other languages
German (de)
English (en)
Other versions
EP1896621B1 (fr
Inventor
Günther TRENDA
Andreas Kraly
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.)
Aluminium Lend GmbH
Original Assignee
Aluminium Lend 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 Aluminium Lend GmbH filed Critical Aluminium Lend GmbH
Publication of EP1896621A2 publication Critical patent/EP1896621A2/fr
Application granted granted Critical
Publication of EP1896621B1 publication Critical patent/EP1896621B1/fr
Not-in-force 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
    • C22C21/06—Alloys based on aluminium with magnesium 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
    • C22C21/06—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
    • 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
    • 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

Definitions

  • the invention relates to an aluminum alloy, '' in particular an aluminum alloy, which in addition to aluminum contains magnesium and silicon as main alloying components and is intended for use in die casting and related methods.
  • Aluminum die casting parts have become particularly important in the automotive industry.
  • the increasing mechanical demands on aluminum die-cast parts in the automotive industry mainly caused by the weight-related substitution of steel components with ones from 'aluminum alloys, is combated by the use of special AlSiMg or AlMgSi Druckgußlegie- conclusions and subsequent to the casting process heat treatment.
  • EP-B-0 792 380 describes an alloy which contains 3.0 to 6.0, preferably 4.6 to 5.8,% by weight of magnesium, 1.4 to 3.5, preferably 2.0 to 2, 8% by weight of silicon, 0.5 to 2.0, preferably 0.6 to 1.5% by weight of manganese, max. 0.2, preferably 0.1 to 0.2 wt .-% titanium and max. 0.15, preferably max. Contains 0.1 wt .-% iron and is already in Rheoge Stahl.
  • AlMgSi alloys are intended for use in die casting and related processes. Already in the as-cast state, they have strength and elongation values similar to those of AlSiMg alloys, eg the well-known alloy AlSi7MgO, 3, in the fully cured state (which is referred to as "T6").
  • a major disadvantage of these AlMgSi alloy types is the lower 0.2% yield strength compared to AlSiMg alloys.
  • the 0.2% proof strength characterizes the transition from the elastic to the plastic deformation of a casting and is particularly relevant in connection with crash-relevant structural parts in the automotive industry. In the literature, the possibility of a short, max. 2 hour heat treatment reported to increase 0.2% proof stress.
  • heat treatment of die-cast parts of the above-mentioned AlMgSi alloys involves numerous disadvantages.
  • this eliminates the cost advantage that can be achieved by such alloys.
  • Other significant disadvantages of the heat treatment are typical errors in die castings such as distortion and especially bubbles, which are caused by thermal destruction of trapped mold release agents and are known by the term "blister".
  • blister a delay nullifies the process advantage of die-cast parts, namely the near-end production.
  • Another object of the invention is to provide such aluminum alloys, which have the desired strength properties already in the cast state, so that a heat treatment of die castings and the associated disadvantages are avoided. It is a further object of the present invention to provide aluminum alloys which can be used for automotive aluminum components, particularly those which are required to meet high mechanical requirements so as to broaden the field of application of aluminum components, for example in the automotive industry.
  • an alloy having the following composition: 4.5 to 6.5 wt .-% magnesium, 1.0 to 3.0 wt .-% silicon, 0.3 to 1.0 wt. % Manganese, 0.02 to 0.3% by weight chromium, 0.02 to 0.2% by weight titanium, 0.02 to 0.2% by weight zirconium,
  • the alloy according to the invention has the following composition:
  • a zirconium content of 0.05 to 0.2 wt .-% is provided.
  • rare earth metals samarium, cerium or lanthanum are preferred. These can be alloyed alone or in any combination with each other. Particularly advantageous are combinations of samarium and cerium or samariam and lanthanum.
  • a particularly preferred alloy contains the rare earth elements Sama- - A - riutn and cerium in an amount of 0.0050 to 0.8 wt .-% samarium and 0.0050 to 0.8 wt .-% cerium.
  • cerium also reduces the sticking tendency of the alloy in the diecasting tool, which additionally has an advantageous effect on the quality of the diecasting parts.
  • the present invention will be further illustrated with reference to the mechanical characteristics determined for the following alloys.
  • the mechanical characteristics were determined on step plates produced by die casting in the tensile test according to DIN EN 10002, wherein the 2.7 mm step was used for the tensile test.
  • This wall thickness range is preferably used for the production of weldable and possibly crashrelevanten structural parts.
  • the mechanical characteristics represent the average of 25 measurements.
  • the results of the tensile tests performed are shown in Table 1.
  • the reference alloy is an alloy whose composition corresponds to an alloy according to the invention, but does not contain any alloying with rare earth metals.
  • the addition of cerium and samarium leads to a significant increase in the 0.2% yield strength compared to the unmodified AlMg5Si2MnCr base alloy.
  • the strength values achievable with the aluminum alloys according to the invention are also at a level which is achieved with forgings made of AlSiIMgMn in the state T6, that is to say after a heat treatment. Because of this and the improved compared to the known AlMgSi-type aluminum alloys 0, 2% proof strength alloys of the invention for new applications, in particular for the production of highly loaded aluminum die cast parts, as they are increasingly of interest in the automotive industry, suitable.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Body Structure For Vehicles (AREA)
  • Forging (AREA)
  • Shaping Metal By Deep-Drawing, Or The Like (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)
  • Molds, Cores, And Manufacturing Methods Thereof (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Mold Materials And Core Materials (AREA)
  • Refinement Of Pig-Iron, Manufacture Of Cast Iron, And Steel Manufacture Other Than In Revolving Furnaces (AREA)
  • Fuel-Injection Apparatus (AREA)
  • Exhaust Silencers (AREA)
  • Treatment Of Steel In Its Molten State (AREA)
  • Manufacture Of Alloys Or Alloy Compounds (AREA)

Abstract

L'invention concerne un alliage d'aluminium de type AlMgSi, qui, outre du manganèse et du chrome, contient un ou plusieurs métaux des terres rares en tant qu'additifs essentiels. Cet alliage, qui présente des propriétés mécaniques intéressantes, est destiné à la coulée sous pression et à d'autres procédés apparentés.
EP06741005A 2005-05-19 2006-05-18 Alliage d'aluminium Not-in-force EP1896621B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
AT0085705A AT501867B1 (de) 2005-05-19 2005-05-19 Aluminiumlegierung
PCT/AT2006/000206 WO2006122341A2 (fr) 2005-05-19 2006-05-18 Alliage d'aluminium

Publications (2)

Publication Number Publication Date
EP1896621A2 true EP1896621A2 (fr) 2008-03-12
EP1896621B1 EP1896621B1 (fr) 2013-01-02

Family

ID=36617169

Family Applications (1)

Application Number Title Priority Date Filing Date
EP06741005A Not-in-force EP1896621B1 (fr) 2005-05-19 2006-05-18 Alliage d'aluminium

Country Status (12)

Country Link
US (1) US8337644B2 (fr)
EP (1) EP1896621B1 (fr)
JP (1) JP5435939B2 (fr)
KR (1) KR101466395B1 (fr)
AT (1) AT501867B1 (fr)
AU (1) AU2006246965B2 (fr)
BR (1) BRPI0611421B1 (fr)
CA (1) CA2645677C (fr)
NO (1) NO337042B1 (fr)
RU (1) RU2453622C2 (fr)
TW (1) TWI397591B (fr)
WO (1) WO2006122341A2 (fr)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
UA96812C2 (ru) * 2010-01-21 2011-12-12 Юлий Викторович Мильман Литейный сплав алюминия, содержащий магний и кремний
AT511397B1 (de) * 2011-05-03 2013-02-15 Sag Motion Ag Verfahren zur raffination und gefügemodifikation von aimgsi-legierungen
AT511207B1 (de) * 2011-09-20 2012-10-15 Salzburger Aluminium Ag Aluminiumlegierung mit scandium und zirkon
GB201205655D0 (en) 2012-03-30 2012-05-16 Jaguar Cars Alloy and method of production thereof
CN102828075B (zh) * 2012-08-17 2014-02-26 南昌大学 一种Al-Mg-Sm稀土铸造铝合金及其制备方法
GB201402323D0 (en) 2014-02-11 2014-03-26 Univ Brunel A high strength cast aluminium alloy for high pressure die casting
CN104651682A (zh) * 2014-05-26 2015-05-27 章建平 一种铸造Al-10Mg合金的性能优化工艺
EP3159422B1 (fr) * 2016-04-19 2018-06-13 Rheinfelden Alloys GmbH & Co. KG Alliage d'aluminium pour moulage sous pression
EP3235916B1 (fr) 2016-04-19 2018-08-15 Rheinfelden Alloys GmbH & Co. KG Alliage de moulage
DE112016006826T5 (de) * 2016-06-10 2019-01-10 GM Global Technology Operations LLC Magnesiumhaltige legierung auf aluminiumbasis zum dünnwandgiessen
KR101712328B1 (ko) * 2016-09-02 2017-03-03 엘에스전선 주식회사 고가공성 알루미늄 합금
CN108034871A (zh) * 2017-11-21 2018-05-15 保定隆达铝业有限公司 一种两幅式方向盘骨架铸造用的铝镁合金及其制备方法
KR102472890B1 (ko) * 2020-08-20 2022-12-02 ㈜에스엘엠글로벌 열전도율이 우수한 주조용 알루미늄 합금 및 알루미늄 합금 주조방법
CN114045419B (zh) * 2021-11-17 2022-11-18 帅翼驰新材料集团有限公司 用于建筑模板的压铸铝合金
CN120551638B (zh) * 2025-08-04 2025-10-24 烟台市睿丰新材料科技有限公司 一种用于波峰焊治具的耐高温复合铝合金及其制备方法

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JPS63179040A (ja) * 1987-01-20 1988-07-23 Showa Alum Corp 表面平滑性に優れたシリンダ用アルミニウム合金
JPH05156398A (ja) * 1991-12-06 1993-06-22 Nippon Light Metal Co Ltd 耐食性に優れた鋳造用アルミニウム合金
JPH0835029A (ja) * 1994-07-19 1996-02-06 Toyota Motor Corp 高強度高延性鋳造アルミニウム合金およびその製造方法
EP0799900A1 (fr) * 1996-04-04 1997-10-08 Hoogovens Aluminium Walzprodukte GmbH Alliage d'aluminium-magnesium à haute résistance mécanique pour structures soudées de grandes dimensions
PT918095E (pt) * 1997-11-20 2003-06-30 Alcan Tech & Man Ag Processo para a obtencao de um componente estrutural a partir de uma liga de aluminio de moldagem sob pressao
DE19838015C2 (de) * 1998-08-21 2002-10-17 Eads Deutschland Gmbh Gewalztes, stranggepreßtes, geschweißtes oder geschmiedetes Bauteil aus einer schweißbaren, korrosionsbeständigen hochmagnesiumhaltigen Aluminium-Magnesium-Legierung
AT407533B (de) * 1999-01-22 2001-04-25 Aluminium Lend Gmbh Aluminiumlegierung
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EP1138794B1 (fr) * 2000-03-31 2007-02-14 Corus Aluminium Voerde GmbH Produit moulé sous pression à base d'aluminium
JP4101749B2 (ja) * 2001-07-23 2008-06-18 コラス・アルミニウム・バルツプロドウクテ・ゲーエムベーハー 溶接可能な高強度Ａｌ−Ｍｇ−Ｓｉ合金
RU2224811C2 (ru) * 2002-06-03 2004-02-27 Татьяна Николаевна Легкая Литейный сплав на основе алюминия
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Also Published As

Publication number Publication date
US8337644B2 (en) 2012-12-25
KR20080017374A (ko) 2008-02-26
TWI397591B (zh) 2013-06-01
AU2006246965B2 (en) 2012-05-31
TW200704785A (en) 2007-02-01
EP1896621B1 (fr) 2013-01-02
AT501867B1 (de) 2009-07-15
BRPI0611421A2 (pt) 2010-09-08
AT501867A1 (de) 2006-12-15
AU2006246965A1 (en) 2006-11-23
CA2645677A1 (fr) 2006-11-23
RU2453622C2 (ru) 2012-06-20
CA2645677C (fr) 2014-12-16
NO337042B1 (no) 2016-01-11
WO2006122341A3 (fr) 2007-03-08
JP5435939B2 (ja) 2014-03-05
BRPI0611421B1 (pt) 2016-01-12
NO20076429L (no) 2007-12-13
KR101466395B1 (ko) 2014-11-27
WO2006122341A2 (fr) 2006-11-23
JP2008540843A (ja) 2008-11-20
US20090214381A1 (en) 2009-08-27
RU2007147204A (ru) 2009-11-27

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