EP1104815A1 - Alliage d'aluminium et produit extrudé de celui-ci - Google Patents

Alliage d'aluminium et produit extrudé de celui-ci Download PDF

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Publication number
EP1104815A1
EP1104815A1 EP99811110A EP99811110A EP1104815A1 EP 1104815 A1 EP1104815 A1 EP 1104815A1 EP 99811110 A EP99811110 A EP 99811110A EP 99811110 A EP99811110 A EP 99811110A EP 1104815 A1 EP1104815 A1 EP 1104815A1
Authority
EP
European Patent Office
Prior art keywords
weight
aluminum alloy
max
alloy according
manganese
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.)
Withdrawn
Application number
EP99811110A
Other languages
German (de)
English (en)
Inventor
Pius Schwellinger
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
Alusuisse 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
Application filed by Alcan Technology and Management Ltd, Alusuisse Technology and Management Ltd filed Critical Alcan Technology and Management Ltd
Priority to EP99811110A priority Critical patent/EP1104815A1/fr
Publication of EP1104815A1 publication Critical patent/EP1104815A1/fr
Withdrawn legal-status Critical Current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
    • 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

Definitions

  • the invention relates to an aluminum alloy and a manufactured from it Extruded product.
  • the loss of strength in the weld area can be caused by larger dimensions or thicker walls are encountered, which on the other hand overall leads to a heavier construction.
  • profiles are often made from an AlMgSi1 alloy with sheets made of an AIMg4.5Mn alloy.
  • the alloy used for the profiles must be easy to weld to the sheets. Because the welded joint the AIMg4.5Mn sheets achieve higher mechanical characteristics than that of the currently used AIMgSi1 profile alloys must be Connection of both materials, the thickness of the profile can be chosen larger. To reduce stress concentrations in the welded joint, Often, thicker sheet metal must also be used than it is for one pure sheet metal construction would be necessary. This leads to a further increase the total weight of the welded structure.
  • AlMgSi alloys that are suitable for the production of extruded profiles and also find use in welded constructions are in US-A-4525326, WO-A-9744501 and EP-A-0936278.
  • the invention has for its object to provide an aluminum alloy, those used in welded constructions after welding leads to higher yield strengths than comparable alloys after the State of the art.
  • the invention is also intended to compress itself into large profiles leave and be easily weldable.
  • An aluminum alloy with the composition leads to the achievement of the object according to the invention silicon 0.3 to 1.2% by weight magnesium 0.3 to 1.0% by weight manganese 0.2 to 0.9% by weight Vanadium 0.05 to 0.3% by weight chrome Max. 0.05% by weight silver Max. 0.5% by weight iron Max. 0.4% by weight copper Max. 0.8% by weight zinc Max. 0.2% by weight and the balance aluminum and unavoidable impurities.
  • the essential essence of the invention is that the elements manganese, Vanadium and chrome are coordinated so that they welded construction in the heat affected zone of welds too one compared to welded constructions using alloys according to the prior art to significantly improved mechanical Lead properties of the welded joint.
  • the positive effect can be further enhanced.
  • the yield strength of a welded joint of AIMgSi materials is increased if the heat affected zone is less strong either during welding softens or hardens more cold after welding.
  • a lesser Softening in the heat affected zone can be achieved if the content of elements that increase the quench sensitivity of the alloy becomes.
  • an element In order to still have sufficient recrystallization inhibition an element must be added that has sensitivity to quenching less increased, but still in combination with other elements sufficient recrystallization inhibition results.
  • a stronger post-hardening in the heat affected zone can be added of copper or silver can be achieved as further hardening elements. At the Use of these additional elements must of course take place in the considerations are included. This can happen under certain conditions an increased addition of copper negatively affects the corrosion behavior of the entire construction. On the other hand, the high costs speak of silver rather against a general application of increased silver additions.
  • the elements of the alloy according to the invention preferably have the following content limits.
  • the values given refer to percentages by weight.
  • Fig. 1 shows the cross section through that used to carry out experiments Large profile.
  • the large profile 10 shown in FIG. 1 is essentially a hollow profile with two longitudinal parallel walls 12, 14 and these connecting side walls 16, 18 designed. In the corner areas of the side walls 16, 18 with the upper profile wall 12 is the large profile 10 to thickenings 20, 22 in the Formed by longitudinal webs.
  • the thickness d1 of the profile wall 14 is 5 mm, the thicknesses d2, d3 and d4 of the walls 12, 16, 18 each 4 mm.

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Arc Welding In General (AREA)
EP99811110A 1999-12-02 1999-12-02 Alliage d'aluminium et produit extrudé de celui-ci Withdrawn EP1104815A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP99811110A EP1104815A1 (fr) 1999-12-02 1999-12-02 Alliage d'aluminium et produit extrudé de celui-ci

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP99811110A EP1104815A1 (fr) 1999-12-02 1999-12-02 Alliage d'aluminium et produit extrudé de celui-ci

Publications (1)

Publication Number Publication Date
EP1104815A1 true EP1104815A1 (fr) 2001-06-06

Family

ID=8243170

Family Applications (1)

Application Number Title Priority Date Filing Date
EP99811110A Withdrawn EP1104815A1 (fr) 1999-12-02 1999-12-02 Alliage d'aluminium et produit extrudé de celui-ci

Country Status (1)

Country Link
EP (1) EP1104815A1 (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2378450A (en) * 2001-07-09 2003-02-12 Corus Aluminium Walzprod Gmbh Aluminium alloy
EP2553131B1 (fr) 2010-03-30 2019-05-08 Norsk Hydro ASA Alliage d'aluminium stable à haute température
CN111074087A (zh) * 2019-12-25 2020-04-28 上海友升铝业有限公司 一种汽车门槛梁铝合金及其制备方法
US11203801B2 (en) 2019-03-13 2021-12-21 Novelis Inc. Age-hardenable and highly formable aluminum alloys and methods of making the same

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63230843A (ja) * 1987-03-19 1988-09-27 Nippon Light Metal Co Ltd 靭性および強度に優れた構造用Ａｌ−Ｍｇ−Ｓｉ−Ｃｕ系合金
JPH04147935A (ja) * 1990-10-11 1992-05-21 Mitsubishi Alum Co Ltd ろう付け性の良好な高強度Ａｌ合金
EP0687743A1 (fr) * 1994-06-16 1995-12-20 The Furukawa Electric Co., Ltd. Matériau de renforcement en alliage d'aluminium pour pare-choc et procédé de fabrication
JPH10219381A (ja) * 1997-02-03 1998-08-18 Nippon Steel Corp 耐粒界腐食性に優れた高強度アルミニウム合金およびその製造方法
EP0936278A1 (fr) * 1998-02-17 1999-08-18 Hoogovens Aluminium Profiltechnik Bonn GmbH Alliage d'aluminium et procédé pour sa fabrication

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63230843A (ja) * 1987-03-19 1988-09-27 Nippon Light Metal Co Ltd 靭性および強度に優れた構造用Ａｌ−Ｍｇ−Ｓｉ−Ｃｕ系合金
JPH04147935A (ja) * 1990-10-11 1992-05-21 Mitsubishi Alum Co Ltd ろう付け性の良好な高強度Ａｌ合金
EP0687743A1 (fr) * 1994-06-16 1995-12-20 The Furukawa Electric Co., Ltd. Matériau de renforcement en alliage d'aluminium pour pare-choc et procédé de fabrication
JPH10219381A (ja) * 1997-02-03 1998-08-18 Nippon Steel Corp 耐粒界腐食性に優れた高強度アルミニウム合金およびその製造方法
EP0936278A1 (fr) * 1998-02-17 1999-08-18 Hoogovens Aluminium Profiltechnik Bonn GmbH Alliage d'aluminium et procédé pour sa fabrication

Non-Patent Citations (5)

* Cited by examiner, † Cited by third party
Title
D.G. ALTENPOHL: "Aluminum: Technology, Applications, and Environment - A Profile of a Modern Metal", 1998, TMS, USA, XP002131858 *
ED. J.R. DAVIS: "Aluminum and Aluminum Alloys", 1993, ASM INTERNATIONAL, USA, XP002131857 *
PATENT ABSTRACTS OF JAPAN vol. 013, no. 029 (C - 562) 23 January 1989 (1989-01-23) *
PATENT ABSTRACTS OF JAPAN vol. 016, no. 431 (C - 0983) 9 September 1992 (1992-09-09) *
PATENT ABSTRACTS OF JAPAN vol. 1998, no. 13 30 November 1998 (1998-11-30) *

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2378450A (en) * 2001-07-09 2003-02-12 Corus Aluminium Walzprod Gmbh Aluminium alloy
GB2378450B (en) * 2001-07-09 2005-03-02 Corus Aluminium Walzprod Gmbh Structural component for an aircraft
EP2553131B1 (fr) 2010-03-30 2019-05-08 Norsk Hydro ASA Alliage d'aluminium stable à haute température
US11203801B2 (en) 2019-03-13 2021-12-21 Novelis Inc. Age-hardenable and highly formable aluminum alloys and methods of making the same
US11932924B2 (en) 2019-03-13 2024-03-19 Novelis, Inc. Age-hardenable and highly formable aluminum alloys and methods of making the same
CN111074087A (zh) * 2019-12-25 2020-04-28 上海友升铝业有限公司 一种汽车门槛梁铝合金及其制备方法

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