EP1234893A1 - Alliage coulée du type Al-Mg-Si - Google Patents

Alliage coulée du type Al-Mg-Si Download PDF

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Publication number
EP1234893A1
EP1234893A1 EP01810183A EP01810183A EP1234893A1 EP 1234893 A1 EP1234893 A1 EP 1234893A1 EP 01810183 A EP01810183 A EP 01810183A EP 01810183 A EP01810183 A EP 01810183A EP 1234893 A1 EP1234893 A1 EP 1234893A1
Authority
EP
European Patent Office
Prior art keywords
weight
magnesium
silicon
max
cast 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
EP01810183A
Other languages
German (de)
English (en)
Other versions
EP1234893B1 (fr
Inventor
Reinhard Winkler
Günther Höllrigl
Jürgen Wüst
Klaus Währisch
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.)
3A Composites International AG
Original Assignee
Alcan Technology and Management Ltd
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
Priority to EP01810183A priority Critical patent/EP1234893B1/fr
Priority to DE50104594T priority patent/DE50104594D1/de
Priority to PT01810183T priority patent/PT1234893E/pt
Priority to AT01810183T priority patent/ATE283380T1/de
Priority to ES01810183T priority patent/ES2232584T3/es
Application filed by Alcan Technology and Management Ltd filed Critical Alcan Technology and Management Ltd
Priority to US10/072,448 priority patent/US6623570B2/en
Priority to CA002371318A priority patent/CA2371318C/fr
Publication of EP1234893A1 publication Critical patent/EP1234893A1/fr
Application granted granted Critical
Publication of EP1234893B1 publication Critical patent/EP1234893B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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    • 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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S164/00—Metal founding
    • Y10S164/90—Rheo-casting

Definitions

  • the invention relates to a cast alloy of the AlMgSi type.
  • the casting alloy for die casting, Rheo and thixocasting, the use of cast alloy for manufacturing large-area and thin-walled components with high absorption capacity for kinetic energy through plastic deformation and use the cast alloy for the production of a component as a safety component in vehicle construction.
  • EP-A-0 792 380 is one for die casting, for rheo- and that Suitable for thixocasting of safety components used in vehicle construction AlMgSiMn type alloy known.
  • the alloy faces the an excess of magnesium corresponding to the quasi-binary eutectic on. Due to the high proportion of manganese, gluing in the form avoided and good mold release guaranteed. Besides the alloy has a very low iron content.
  • the focus is on Ductility, that is to say the deformability and the ductile fracture by the elongation at break.
  • the firmness expressed by the Yield strength can take on relatively low values.
  • the invention has for its object to provide an aluminum alloy, with which there is also a high elongation at break with sufficient yield strength without performing a high temperature annealing subsequent water quenching can be achieved.
  • a cast alloy of the AlMgSi type leads to the achievement of the object according to the invention, which magnesium 3.0 to 7.0% by weight silicon 1.7 to 3.0% by weight manganese 0.2 to 0.48% by weight iron 0.15 to 0.35% by weight titanium Max. 0.2% by weight optionally still nickel 0.1 to 0.4% by weight and aluminum as the rest and manufacturing-related impurities individually max. 0.02% by weight, total max. Contains 0.2% by weight, with the further proviso that magnesium and silicon in the alloy in a weight ratio Mg: Si of 1.7: 1 corresponding to the composition of the quasi-binary eutectic with the solid phases A1 and Mg 2 Si are present, the deviation from the exact composition corresponding to the quasi-binary eutectic for magnesium max. -0.5 to +0.3 wt .-% and for silicon - 0.3 to + 0.5 wt .-%.
  • the alloy according to the invention due to the special choice of the weight ratio Mg: Si, leads to an excretion behavior of the eutectic phase Mg 2 Si which is extremely favorable for ductility, which is extremely finely formed and evenly distributed, which ultimately results in a comparison with comparable alloys according to the prior art improved ductility.
  • Due to the higher iron content aluminum of lower purity can also be used as an alloy base, which reduces the production costs for the alloy.
  • the increased iron content also makes it possible to reduce the manganese additive used to reduce the tendency of the alloy to stick in the die. To achieve optimal mechanical properties, care should be taken to ensure that the deviation from the exact composition corresponding to the quasi-binary eutectic for magnesium max. - 0.2 to + 0.1 wt .-% and for silicon max. - 0.1 to + 0.2 wt .-%.
  • magnesium and Silicon in the alloy essentially in a weight ratio of Mg: Si of 1.7: 1 according to the composition of the quasi-binary eutectic in front.
  • the optional addition of 0.1 to 0.4 wt% nickel leads to a further improvement the molding properties or reduction in the tendency to stick, whereby the manganese content of the alloy is kept at the lower range limit can be.
  • a type A heat treatment leads to a yield strength Rp 0.2 of up to 180 MPa and an elongation at break A5 of up to 13%. These strength and ductility properties cannot be achieved with the usual die-cast, rheo- and thixocasting alloys in the as-cast state, i.e. without heat treatment.
  • annealing between 380 and 460 ° C with subsequent cooling in air means that no further curing annealing is necessary. Due to the finely dispersed precipitation of the Mg 2 Si phase, ductility or shaping takes place even at an annealing temperature of less than 400 ° C.
  • the cast alloy according to the invention in a heat treatment state in accordance with type C is therefore a preferred variant, in particular for components with very high demands on the crash behavior. In addition to the fact that the components are only slightly warped when annealed below 400 ° C in combination with cooling in still air, this annealing can prevent bubble formation due to gas porosity at a relatively low temperature.
  • the cast alloy according to the invention is preferred used for die casting, rheo- and thixocasting.
  • the preferred field of application for the cast alloy according to the invention lies in the production of large-area and thin-walled components with high Absorption capacity for kinetic energy through plastic deformation. This Properties correspond to those of a safety component in vehicle construction requirements, which is why the alloy is used in particular for manufacturing of the safety components mentioned is suitable.
  • the optimal weight ratio Mg: Si of 1.7: 1 corresponding to the composition of the quasi-binary eutectic Al / Mg 2 Si is represented by the straight line E, the area of interest here for the magnesium content 3.0 to 7.0% by weight for the silicon content is 1.7 to 3.0% by weight.
  • the maximum permissible tolerance values for magnesium and silicon are defined by the two straight lines A1 and A2, the preferred tolerance limit values by the straight lines B1 and B2, with A1 and B1 relating to the eutectic composition of phases A1 and Mg 2 Si on the magnesium excess side, A2 and B2 are on the excess silicon side.
  • the cast alloy according to the invention has its larger tolerance range on the excess silicon side.

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Body Structure For Vehicles (AREA)
  • Refinement Of Pig-Iron, Manufacture Of Cast Iron, And Steel Manufacture Other Than In Revolving Furnaces (AREA)
  • Mold Materials And Core Materials (AREA)
  • Manufacturing Of Electrical Connectors (AREA)
  • Connector Housings Or Holding Contact Members (AREA)
  • Molds, Cores, And Manufacturing Methods Thereof (AREA)
  • Manufacture Of Alloys Or Alloy Compounds (AREA)
  • Superconductors And Manufacturing Methods Therefor (AREA)
  • Continuous Casting (AREA)
EP01810183A 2001-02-21 2001-02-21 Alliage coulée du type Al-Mg-Si Expired - Lifetime EP1234893B1 (fr)

Priority Applications (7)

Application Number Priority Date Filing Date Title
DE50104594T DE50104594D1 (de) 2001-02-21 2001-02-21 Gusslegierung vom Typ AIMgSi
PT01810183T PT1234893E (pt) 2001-02-21 2001-02-21 Liga de moldagem do tipo a1mgsi
AT01810183T ATE283380T1 (de) 2001-02-21 2001-02-21 Gusslegierung vom typ aimgsi
ES01810183T ES2232584T3 (es) 2001-02-21 2001-02-21 Aleacion de colada del tipo aimgsi.
EP01810183A EP1234893B1 (fr) 2001-02-21 2001-02-21 Alliage coulée du type Al-Mg-Si
US10/072,448 US6623570B2 (en) 2001-02-21 2002-02-08 AlMgSi casting alloy
CA002371318A CA2371318C (fr) 2001-02-21 2002-02-11 Alliage de type almgsi pour moulage

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP01810183A EP1234893B1 (fr) 2001-02-21 2001-02-21 Alliage coulée du type Al-Mg-Si

Publications (2)

Publication Number Publication Date
EP1234893A1 true EP1234893A1 (fr) 2002-08-28
EP1234893B1 EP1234893B1 (fr) 2004-11-24

Family

ID=8183749

Family Applications (1)

Application Number Title Priority Date Filing Date
EP01810183A Expired - Lifetime EP1234893B1 (fr) 2001-02-21 2001-02-21 Alliage coulée du type Al-Mg-Si

Country Status (7)

Country Link
US (1) US6623570B2 (fr)
EP (1) EP1234893B1 (fr)
AT (1) ATE283380T1 (fr)
CA (1) CA2371318C (fr)
DE (1) DE50104594D1 (fr)
ES (1) ES2232584T3 (fr)
PT (1) PT1234893E (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1757709A1 (fr) 2005-08-22 2007-02-28 ALUMINIUM RHEINFELDEN GmbH Alliage d'aliminium résistant à la chaleur
CN102787286A (zh) * 2012-07-17 2012-11-21 贵州航天电子科技有限公司 一种（2a12-t4）高强度铝合金薄壁异型腔体成型的方法
US8574382B2 (en) 2007-05-24 2013-11-05 Aluminium Rheinfelden Gmbh Heat-resistant aluminium alloy
CN109913710A (zh) * 2017-12-12 2019-06-21 现代自动车株式会社 用于压铸件的铝合金

Families Citing this family (3)

* 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
CN113056571A (zh) * 2018-10-26 2021-06-29 加利福尼亚大学董事会 用于制造方法的高强度铝合金的纳米处理
CN110029252B (zh) * 2019-04-12 2021-08-24 范卫忠 一种5g手机中板用高强高韧抗氧化铝镁合金材料及其制备方法

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3838829A1 (de) * 1988-11-17 1990-05-23 Vaw Ver Aluminium Werke Ag Anodisch oxidiertes und elektrolytisch eingefaerbtes gussteil aus einer titanhaltigen almg-gusslegierung
JPH05163546A (ja) * 1991-12-13 1993-06-29 Nippon Light Metal Co Ltd ダイカスト用アルミニウム合金
WO1996015281A1 (fr) * 1994-11-15 1996-05-23 Aluminium Rheinfelden Gmbh Alliage d'aluminium de fonderie
WO2000043560A1 (fr) * 1999-01-22 2000-07-27 Aluminium Lend Gmbh Alliage d'aluminium-magnesium-silicium

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2129352C3 (de) * 1971-06-14 1982-03-18 Honsel-Werke Ag, 5778 Meschede Verwendung von AlMgSi-Gußlegierungen für thermisch wechselbeanspruchte Zylinderköpfe

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3838829A1 (de) * 1988-11-17 1990-05-23 Vaw Ver Aluminium Werke Ag Anodisch oxidiertes und elektrolytisch eingefaerbtes gussteil aus einer titanhaltigen almg-gusslegierung
JPH05163546A (ja) * 1991-12-13 1993-06-29 Nippon Light Metal Co Ltd ダイカスト用アルミニウム合金
WO1996015281A1 (fr) * 1994-11-15 1996-05-23 Aluminium Rheinfelden Gmbh Alliage d'aluminium de fonderie
WO2000043560A1 (fr) * 1999-01-22 2000-07-27 Aluminium Lend Gmbh Alliage d'aluminium-magnesium-silicium

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN vol. 017, no. 567 (C - 1120) 14 October 1993 (1993-10-14) *

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1757709A1 (fr) 2005-08-22 2007-02-28 ALUMINIUM RHEINFELDEN GmbH Alliage d'aliminium résistant à la chaleur
NO343257B1 (no) * 2005-08-22 2019-01-02 Rheinfelden Aluminium Gmbh Varmefast aluminiumslegering
US8574382B2 (en) 2007-05-24 2013-11-05 Aluminium Rheinfelden Gmbh Heat-resistant aluminium alloy
CN102787286A (zh) * 2012-07-17 2012-11-21 贵州航天电子科技有限公司 一种（2a12-t4）高强度铝合金薄壁异型腔体成型的方法
CN102787286B (zh) * 2012-07-17 2014-11-26 贵州航天电子科技有限公司 一种（2a12-t4）高强度铝合金薄壁异型腔体成型的方法
CN109913710A (zh) * 2017-12-12 2019-06-21 现代自动车株式会社 用于压铸件的铝合金

Also Published As

Publication number Publication date
CA2371318A1 (fr) 2002-08-21
DE50104594D1 (de) 2004-12-30
CA2371318C (fr) 2007-08-14
US6623570B2 (en) 2003-09-23
US20020155022A1 (en) 2002-10-24
EP1234893B1 (fr) 2004-11-24
PT1234893E (pt) 2005-03-31
ATE283380T1 (de) 2004-12-15
ES2232584T3 (es) 2005-06-01

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