EP1484421A1 - Verwendung eines gewalzen oder stranggepressten Produkts aus Aluminium-Legierung mit einer guten Korrosionsbeständigkeit - Google Patents

Verwendung eines gewalzen oder stranggepressten Produkts aus Aluminium-Legierung mit einer guten Korrosionsbeständigkeit Download PDF

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Publication number
EP1484421A1
EP1484421A1 EP04356088A EP04356088A EP1484421A1 EP 1484421 A1 EP1484421 A1 EP 1484421A1 EP 04356088 A EP04356088 A EP 04356088A EP 04356088 A EP04356088 A EP 04356088A EP 1484421 A1 EP1484421 A1 EP 1484421A1
Authority
EP
European Patent Office
Prior art keywords
alloy
rolled
content
corrosion resistance
aluminium 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
EP04356088A
Other languages
English (en)
French (fr)
Other versions
EP1484421B1 (de
Inventor
Sylvain Henry
Gilbert Gutmann
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.)
Constellium Issoire SAS
Original Assignee
Pechiney Rhenalu SAS
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Filing date
Publication date
Application filed by Pechiney Rhenalu SAS filed Critical Pechiney Rhenalu SAS
Publication of EP1484421A1 publication Critical patent/EP1484421A1/de
Application granted granted Critical
Publication of EP1484421B1 publication Critical patent/EP1484421B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • 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 the field of rolled or extruded alloy products 4000 series aluminum with both good mechanical strength and good resistance to corrosion, in particular filiform corrosion.
  • Aluminum alloys containing silicon as the main alloying element are widely used for manufacturing molded parts. They are however more rarely used in the form of rolled or extruded products. Uses in form of extruded bars or profiles are linked to good resistance to wear and temperature alloys with a high silicon content, and mainly concern the manufacture of parts mechanical components such as connecting rods, drive shafts, bearings and components motors and compressors.
  • patent application JP 09-316577 from Furukawa Electric describes a core alloy of plated strips for brazed exchangers of composition: Si: 0.2 - 2.5 Fe: 0.05 - 2.0 Mn: 0.05 - 2.0 Cu: 0.05 - 2.5
  • Toyota Motor patent application JP 09-256095 describes aluminum alloy sheets of composition: Si: 0.8 - 3.5 Fe: 0.1 - 1.0 Mn: 0.6 - 1.4 Cu: 0.1 - 0.5 having good formability and intended for the manufacture of stamped parts, in particular for the automobile body, free of Lüders lines.
  • alloy 4015 was registered with the Aluminum Association in 1989 with the following composition: If: 1.4 - 2.2 Fe ⁇ 0.7 Cu ⁇ 0.2 Mn: 0.4-1.2 Mg: 0.1 - 0.5 Zn ⁇ 0.2
  • the subject of the invention is the use of a rolled or spun aluminum alloy product of composition (% by weight): Si: 1.2 - 2.2 Fe ⁇ 1.5 Cu: 0.2 - 0.8 Mn: 0.6 - 1.5 Mg ⁇ 0.20 Zn ⁇ 0.5
  • Ti ⁇ 0.10 remains unavoidable aluminum and impurities, for lacquered parts, notably building, signage and decoration components.
  • the Si content is between 1.4 and 2%, the copper content between 0.3 and 0.5%, the manganese content between 0.9 and 1.2%, the iron content less than 0.7% and the magnesium content less than 0.15%.
  • the products used according to the invention are distinguished from the 4015 alloy products by higher copper content and lower magnesium content.
  • a controlled copper content of between 0.2 and 0.8%, and preferably between 0.3 and 0.5%, leads to an improvement in resistance to corrosion, whether it is pitting corrosion or especially corrosion filiform, which manifests itself especially on lacquered products.
  • This corrosion resistance is also favored by a low content of magnesium, less than 0.20%, and preferably 0.15%.
  • the drop in resistance mechanical resulting from the reduction of the magnesium content is more than compensated by the increase in the copper content, so that the resistance mechanical is higher than for similar products in 4015.
  • the products used according to the invention exhibit in the naked state resistance to corrosion, measured by the depth of pitting in the SWAAT (Sea Water Acetic) test Acid Test) according to ASTM G85, significantly better than that of the alloy 4015. They can therefore be used in industrial environments.
  • the alloys A and B are according to the invention, the alloys C to E are alloys 4015.
  • the manufacturing range is conventional, and includes a casting of plates, a hot rolling, cold rolling, and final hardening in the H 12 state.
  • the sheet of alloy A according to the invention has better mechanical resistance than sheet of the same thickness in alloy C. which contains less copper but more magnesium.
  • Alloy A is a 4015 alloy; alloy B is according to the invention.
  • the manufacturing range is conventional, and includes a casting of plates, a hot rolling, cold rolling, intermediate annealing and finally a final work hardening to obtain a H12 state.
  • a thread corrosion test was carried out according to standard EN 3665 on both types formats. Before the test, two stripes 110 mm long are traced on each sheet, one in the direction of rolling, the other in the perpendicular direction.
  • a hole with a diameter of 5 mm is also made.
  • alloy B allows a significant improvement in resistance to filiform corrosion.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Conductive Materials (AREA)
  • Laminated Bodies (AREA)
  • Extrusion Of Metal (AREA)
  • Metal Rolling (AREA)
EP04356088A 2003-06-05 2004-06-03 Verwendung eines gewalzten oder stranggepressten Produkts aus Aluminium-Legierung mit einer guten Korrosionsbeständigkeit Expired - Lifetime EP1484421B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR0306783 2003-06-05
FR0306783A FR2855833B1 (fr) 2003-06-05 2003-06-05 Produit lamine ou file en alliage d'aluminium a bonne resistance a la corrosion

Publications (2)

Publication Number Publication Date
EP1484421A1 true EP1484421A1 (de) 2004-12-08
EP1484421B1 EP1484421B1 (de) 2009-03-11

Family

ID=33155655

Family Applications (2)

Application Number Title Priority Date Filing Date
EP04356088A Expired - Lifetime EP1484421B1 (de) 2003-06-05 2004-06-03 Verwendung eines gewalzten oder stranggepressten Produkts aus Aluminium-Legierung mit einer guten Korrosionsbeständigkeit
EP04356087A Expired - Lifetime EP1484420B1 (de) 2003-06-05 2004-06-03 Verwendung eines gewalzten oder stranggepressten Produkts aus Aluminium-Legierung mit hoher Korrosionbeständigkeit

Family Applications After (1)

Application Number Title Priority Date Filing Date
EP04356087A Expired - Lifetime EP1484420B1 (de) 2003-06-05 2004-06-03 Verwendung eines gewalzten oder stranggepressten Produkts aus Aluminium-Legierung mit hoher Korrosionbeständigkeit

Country Status (4)

Country Link
EP (2) EP1484421B1 (de)
AT (2) ATE469990T1 (de)
DE (2) DE602004027443D1 (de)
FR (1) FR2855833B1 (de)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2016000937A1 (en) * 2014-07-04 2016-01-07 Aleris Rolled Products Germany Gmbh Aluminium alloy for use in the building industry
CN112746199A (zh) * 2020-12-16 2021-05-04 银邦金属复合材料股份有限公司 百叶窗用铝合金及其制备方法

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102007033827A1 (de) * 2007-07-18 2009-01-22 Technische Universität Clausthal Aluminium-Gusslegierung und deren Verwendung
CN102548751B (zh) * 2009-10-08 2015-03-25 阿莱利斯铝业迪弗尔私人有限公司 具有铝合金芯管的多层管
CN111575513A (zh) * 2020-06-12 2020-08-25 包头常铝北方铝业有限责任公司 一种铝合金带材及其制备方法和中空玻璃用铝隔条

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63216939A (ja) * 1987-03-03 1988-09-09 Kobe Steel Ltd ろう付用高強度高耐食性アルミニウム合金複合材
EP0300927A1 (de) * 1987-06-23 1989-01-25 Pechiney Rhenalu Legierung auf Aluminiumbasis für Getränkedosen und Verfahren zu ihrer Herstellung
JPH06272001A (ja) * 1993-03-19 1994-09-27 Furukawa Alum Co Ltd 加熱硬化性に優れたＡｌ−Ｍｇ−Ｓｉ系合金板材の製造方法
JPH08218143A (ja) * 1995-02-14 1996-08-27 Furukawa Electric Co Ltd:The 熱交換器コネクタ用アルミニウム合金押出材及びその製造方法
JPH09256095A (ja) * 1996-03-22 1997-09-30 Furukawa Electric Co Ltd:The 成形性に優れたアルミニウム合金板およびその製造方法
JPH09316577A (ja) * 1996-05-30 1997-12-09 Furukawa Electric Co Ltd:The 熱交換器の冷媒通路部材用ブレージングシート
JP2000303134A (ja) * 1999-04-20 2000-10-31 Furukawa Electric Co Ltd:The セミソリッド加工用アルミニウム基合金及びその加工部材の製造方法
DE19938995A1 (de) * 1998-02-20 2001-03-08 Kobe Steel Ltd Al-Mg-Si-Aluminiumlegierungsblech zum Formen mit guten Oberflächeneigenschaften

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0456095A (ja) * 1990-06-22 1992-02-24 Arco Ind Kk ３相交流アーク炉における大電流導体の配設方式
JPH0516577A (ja) * 1991-07-08 1993-01-26 Dainippon Printing Co Ltd 反復印字可能なカードの利用方法

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63216939A (ja) * 1987-03-03 1988-09-09 Kobe Steel Ltd ろう付用高強度高耐食性アルミニウム合金複合材
EP0300927A1 (de) * 1987-06-23 1989-01-25 Pechiney Rhenalu Legierung auf Aluminiumbasis für Getränkedosen und Verfahren zu ihrer Herstellung
JPH06272001A (ja) * 1993-03-19 1994-09-27 Furukawa Alum Co Ltd 加熱硬化性に優れたＡｌ−Ｍｇ−Ｓｉ系合金板材の製造方法
JPH08218143A (ja) * 1995-02-14 1996-08-27 Furukawa Electric Co Ltd:The 熱交換器コネクタ用アルミニウム合金押出材及びその製造方法
JPH09256095A (ja) * 1996-03-22 1997-09-30 Furukawa Electric Co Ltd:The 成形性に優れたアルミニウム合金板およびその製造方法
JPH09316577A (ja) * 1996-05-30 1997-12-09 Furukawa Electric Co Ltd:The 熱交換器の冷媒通路部材用ブレージングシート
DE19938995A1 (de) * 1998-02-20 2001-03-08 Kobe Steel Ltd Al-Mg-Si-Aluminiumlegierungsblech zum Formen mit guten Oberflächeneigenschaften
JP2000303134A (ja) * 1999-04-20 2000-10-31 Furukawa Electric Co Ltd:The セミソリッド加工用アルミニウム基合金及びその加工部材の製造方法

Non-Patent Citations (11)

* Cited by examiner, † Cited by third party
Title
DATABASE WPI Derwent World Patents Index; AN 1994-347494, XP002271689 *
DATABASE WPI Derwent World Patents Index; AN 1996-439873, XP002271688 *
DATABASE WPI Derwent World Patents Index; AN 1997-533113, XP002271686 *
DATABASE WPI Derwent World Patents Index; AN 1998-123545, XP002271685 *
DATABASE WPI Derwent World Patents Index; AN 2001-115223, XP002271687 *
PATENT ABSTRACTS OF JAPAN vol. 0130, no. 11 (C - 558) 11 January 1989 (1989-01-11) *
PATENT ABSTRACTS OF JAPAN vol. 0186, no. 86 (C - 1292) 26 December 1994 (1994-12-26) *
PATENT ABSTRACTS OF JAPAN vol. 1996, no. 12 26 December 1996 (1996-12-26) *
PATENT ABSTRACTS OF JAPAN vol. 1998, no. 01 30 January 1998 (1998-01-30) *
PATENT ABSTRACTS OF JAPAN vol. 1998, no. 04 31 March 1998 (1998-03-31) *
PATENT ABSTRACTS OF JAPAN vol. 2000, no. 13 5 February 2001 (2001-02-05) *

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2016000937A1 (en) * 2014-07-04 2016-01-07 Aleris Rolled Products Germany Gmbh Aluminium alloy for use in the building industry
CN112746199A (zh) * 2020-12-16 2021-05-04 银邦金属复合材料股份有限公司 百叶窗用铝合金及其制备方法

Also Published As

Publication number Publication date
EP1484420B1 (de) 2010-06-02
DE602004027443D1 (de) 2010-07-15
FR2855833B1 (fr) 2007-03-16
DE602004019840D1 (de) 2009-04-23
ATE469990T1 (de) 2010-06-15
ATE425273T1 (de) 2009-03-15
EP1484421B1 (de) 2009-03-11
EP1484420A1 (de) 2004-12-08
FR2855833A1 (fr) 2004-12-10

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