EP1466992B1 - Demi-produit laminé d'un alliage d'aluminium - Google Patents

Demi-produit laminé d'un alliage d'aluminium Download PDF

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Publication number
EP1466992B1
EP1466992B1 EP03008147A EP03008147A EP1466992B1 EP 1466992 B1 EP1466992 B1 EP 1466992B1 EP 03008147 A EP03008147 A EP 03008147A EP 03008147 A EP03008147 A EP 03008147A EP 1466992 B1 EP1466992 B1 EP 1466992B1
Authority
EP
European Patent Office
Prior art keywords
semi
soft annealing
aluminium alloy
finished product
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.)
Expired - Lifetime
Application number
EP03008147A
Other languages
German (de)
English (en)
Other versions
EP1466992A1 (fr
Inventor
Manfred Mrotzek
Werner Dr. Kehl
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.)
Hydro Aluminium Deutschland GmbH
Original Assignee
Hydro Aluminium Deutschland 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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=32864965&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP1466992(B1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Hydro Aluminium Deutschland GmbH filed Critical Hydro Aluminium Deutschland GmbH
Priority to DE50307952T priority Critical patent/DE50307952D1/de
Priority to ES03008147T priority patent/ES2289201T3/es
Priority to AT03008147T priority patent/ATE370256T1/de
Priority to PT03008147T priority patent/PT1466992E/pt
Priority to SI200330988T priority patent/SI1466992T1/sl
Priority to EP03008147A priority patent/EP1466992B1/fr
Priority to JP2006504929A priority patent/JP2006522868A/ja
Priority to KR1020057019198A priority patent/KR100716607B1/ko
Priority to PCT/EP2004/003397 priority patent/WO2004090184A1/fr
Priority to US10/551,563 priority patent/US7846277B2/en
Publication of EP1466992A1 publication Critical patent/EP1466992A1/fr
Publication of EP1466992B1 publication Critical patent/EP1466992B1/fr
Application granted granted Critical
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B3/00—Rolling materials of special alloys so far as the composition of the alloy requires or permits special rolling methods or sequences ; Rolling of aluminium, copper, zinc or other non-ferrous metals
    • 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
    • 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
    • C22F1/047—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 magnesium as the next major constituent
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B3/00—Rolling materials of special alloys so far as the composition of the alloy requires or permits special rolling methods or sequences ; Rolling of aluminium, copper, zinc or other non-ferrous metals
    • B21B2003/001—Aluminium or its alloys

Definitions

  • the present invention has the object to provide a method for producing a flat, rolled semi-finished aluminum alloy, which allows the use of standard alloys without the addition of Zn and Cu or other elements, without elaborate production facilities and ensures improved process reliability in terms of a flow line freedom of the deep-drawn or deformed final product.
  • the previously derived and indicated object is achieved by stretching the semifinished product by 0.1 to 0.5% after the final soft annealing.
  • the semi-finished product according to the invention has a long shelf life of several years, during which the properties do not change significantly.
  • it is not necessary to set a specific grain size so that the risk of the appearance of an orange peel during deformation is eliminated. It can thus be achieved with grain sizes below 50 microns flow line freedom.
  • no soft or solution annealing in a continuous furnace with subsequent deterrence is necessary.
  • the manufacturing process for producing the flat, rolled semi-finished product according to the invention has a high degree of robustness.
  • the process reliability during production of the semifinished product according to the invention is further increased.
  • the stretching of the flat, rolled semi-finished product can be done in different ways. Conceivable, for example, stretching in a strip stretching machine but also stretching with the help of alternate deflection of the strip or sheet in a so-called leveling system, in which the band is stretched at each deflection on the outer radius and compressed in the inner radius.
  • the deformability of the semifinished product in subsequent deformation or deep drawing steps can be improved by the associated heat treatment, without impairing the flow line freedom.
  • the single figure shows an embodiment of a plant for the realization of a method for producing a flat, rolled semi-finished aluminum alloy.
  • the embodiment of the plant for producing a flat, rolled semi-finished product according to the invention from an aluminum alloy, in particular a semifinished product for the production of body panels, has a hot rolling mill 1 with a Reversiergerüst 2 and optional a subsequent multi-stage hot rolling stand 3 on.
  • a billet 4 is rolled off, for example, from a standard alloy such as AA5052, AA5754 or AA5182 and then wound up in a coiling station to form a coil 5.
  • the strip After cooling of the coil 5, the strip is subjected to one or more cold rolling passes on a first cold rolling train 6, the degree of forming being at least 50% in order to reduce the recrystallization temperature of the strip.
  • the cold rolled, rewound strip is annealed in a box furnace 7.
  • the relatively coarse microstructure of the strip recrystallises almost completely, so that the strip is present in a soft and recrystallized state after the intermediate annealing.
  • the intermediate soft annealed strip on a second cold rolling line 8 again subjected to cold rolling with a degree of deformation of at most 30%.
  • the rewound strip is subjected to final soft annealing in a second chamber furnace 9.
  • the cooled strip is stretched by 0.1 to 0.5% on a so-called leveling system 10.
  • a strip stretching machine can be used, on which the strip is stretched over its entire cross section.

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  • Chemical & Material Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Engineering & Computer Science (AREA)
  • Organic Chemistry (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Thermal Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Metal Rolling (AREA)
  • Superconductors And Manufacturing Methods Therefor (AREA)
  • Particle Accelerators (AREA)
  • Electric Double-Layer Capacitors Or The Like (AREA)
  • Continuous Casting (AREA)
  • Conductive Materials (AREA)
  • Pressure Welding/Diffusion-Bonding (AREA)
  • Forging (AREA)

Claims (1)

  1. Procédé de fabrication d'un demi-produit plat laminé à partir d'un alliage d'aluminium, l'aluminium présentant les proportions suivantes d'alliage en pourcentages de poids :
    2 = Mg ≤ 5
    Mn = 0,5
    Cr = 0,35
    Si = 0,4
    Fe = 0,4
    Cu = 0,3
    Zn = 0,3
    Ti = 0,15
    autres au maximum au total 0,15, au maximum individuellement 0,05,
    reste Al,
    le demi-produit étant laminé dans un lingot (4) et subissant au cours du processus de laminage au moins un adoucissement intermédiaire entre deux passes de laminage à froid et un recuit d'adoucissement final respectivement dans un four à chambres (7, 9), le degré de déformation s'élevant avant le premier adoucissement intermédiaire au moins à 50 % et avant le recuit d'adoucissement final au maximum à 30 %,
    caractérisé en ce que le demi-produit est étiré de 0,1 à 0,5 % après le recuit d'adoucissement final.
EP03008147A 2003-04-08 2003-04-08 Demi-produit laminé d'un alliage d'aluminium Expired - Lifetime EP1466992B1 (fr)

Priority Applications (10)

Application Number Priority Date Filing Date Title
DE50307952T DE50307952D1 (de) 2003-04-08 2003-04-08 Flächiges, gewalztes Halbzeug aus einer Aluminiumlegierung
ES03008147T ES2289201T3 (es) 2003-04-08 2003-04-08 Producto semi-elaborado laminado a partir de una aleacion de aluminio.
AT03008147T ATE370256T1 (de) 2003-04-08 2003-04-08 Flächiges, gewalztes halbzeug aus einer aluminiumlegierung
PT03008147T PT1466992E (pt) 2003-04-08 2003-04-08 Produto semi-acabado laminado plano, feito de liga de alumínio.
SI200330988T SI1466992T1 (sl) 2003-04-08 2003-04-08 Ploščat valjani polizdelek iz aluminijeve zlitine
EP03008147A EP1466992B1 (fr) 2003-04-08 2003-04-08 Demi-produit laminé d'un alliage d'aluminium
JP2006504929A JP2006522868A (ja) 2003-04-08 2004-03-31 アルミニウム合金製の平らな圧延半製品の製造方法。
KR1020057019198A KR100716607B1 (ko) 2003-04-08 2004-03-31 알루미늄 합금으로 제조된 평판형 압연 반제품
PCT/EP2004/003397 WO2004090184A1 (fr) 2003-04-08 2004-03-31 Semi-produit plat, lamine, en alliage d'aluminium
US10/551,563 US7846277B2 (en) 2003-04-08 2004-03-31 Planar, rolled semi-finished product of aluminum alloys

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP03008147A EP1466992B1 (fr) 2003-04-08 2003-04-08 Demi-produit laminé d'un alliage d'aluminium

Publications (2)

Publication Number Publication Date
EP1466992A1 EP1466992A1 (fr) 2004-10-13
EP1466992B1 true EP1466992B1 (fr) 2007-08-15

Family

ID=32864965

Family Applications (1)

Application Number Title Priority Date Filing Date
EP03008147A Expired - Lifetime EP1466992B1 (fr) 2003-04-08 2003-04-08 Demi-produit laminé d'un alliage d'aluminium

Country Status (10)

Country Link
US (1) US7846277B2 (fr)
EP (1) EP1466992B1 (fr)
JP (1) JP2006522868A (fr)
KR (1) KR100716607B1 (fr)
AT (1) ATE370256T1 (fr)
DE (1) DE50307952D1 (fr)
ES (1) ES2289201T3 (fr)
PT (1) PT1466992E (fr)
SI (1) SI1466992T1 (fr)
WO (1) WO2004090184A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7846277B2 (en) 2003-04-08 2010-12-07 Hydro Aluminium Deutschland Gmbh Planar, rolled semi-finished product of aluminum alloys

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5923665B2 (ja) * 2012-08-22 2016-05-24 ハイドロ アルミニウム ロールド プロダクツ ゲゼルシャフト ミット ベシュレンクテル ハフツングＨｙｄｒｏ Ａｌｕｍｉｎｉｕｍ Ｒｏｌｌｅｄ Ｐｒｏｄｕｃｔｓ ＧｍｂＨ 高成形性の耐粒界腐食性ＡｌＭｇストリップ
CA2882691C (fr) 2012-08-22 2017-11-07 Hydro Aluminium Rolled Products Gmbh Bande d'alliage d'aluminium resistante a la corrosion intercristalline et son procede de fabrication
US9589246B2 (en) * 2014-06-26 2017-03-07 Ford Global Technologies, Llc Marking the surface of metal coils with material property data
CN108611533B (zh) * 2018-06-08 2019-12-03 郑州大学 一种用于高通量连铸连轧窄结晶温度区间的铝合金及其制备工艺
CN111054745A (zh) * 2019-11-26 2020-04-24 湖南湘投金天钛金属股份有限公司 一种tb8钛合金薄板的制备方法
FR3122187B1 (fr) 2021-04-21 2024-02-16 Constellium Neuf Brisach Tôles d’aluminium 5xxx dotée d’une aptitude à la mise en forme élevée

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US125465A (en) * 1872-04-09 Improvement in saw-sets
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US4151013A (en) * 1975-10-22 1979-04-24 Reynolds Metals Company Aluminum-magnesium alloys sheet exhibiting improved properties for forming and method aspects of producing such sheet
CH638243A5 (de) * 1978-07-05 1983-09-15 Alusuisse Verfahren zur herstellung von magnesium- und zinkhaltigen aluminium-legierungs-blechen.
JPH04151013A (ja) * 1990-10-09 1992-05-25 Yuuc Sangyo Kk 分割ナットとカバー体との組合わせ構造
JPH04276050A (ja) 1991-03-04 1992-10-01 Furukawa Alum Co Ltd 成形用Ａｌ−Ｍｇ系合金板の製造方法
JP3062274B2 (ja) 1991-03-28 2000-07-10 住友軽金属工業株式会社 深絞り性に優れた成形加工用アルミニウム合金板材の製造法
NL9100565A (nl) * 1991-04-02 1992-11-02 Hoogovens Aluminium Nv Aluminium plaat en werkwijze voor het vervaardigen daarvan.
JP2956038B2 (ja) 1992-07-09 1999-10-04 株式会社神戸製鋼所 ひずみ模様の抑制に優れた絞りカップ用Ａｌ合金板とその製造方法
JP3201033B2 (ja) 1992-12-28 2001-08-20 日本軽金属株式会社 耐食性、塗装下地処理性に優れたアルミニウム合金板の製造方法
JPH0734208A (ja) 1993-07-21 1995-02-03 Mitsubishi Alum Co Ltd 成形性に優れたアルミニウム合金板の製造方法
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ES2289201T3 (es) 2003-04-08 2008-02-01 Hydro Aluminium Deutschland Gmbh Producto semi-elaborado laminado a partir de una aleacion de aluminio.
JP4276050B2 (ja) 2003-10-31 2009-06-10 アイホン株式会社 インターホンのカメラ子機
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7846277B2 (en) 2003-04-08 2010-12-07 Hydro Aluminium Deutschland Gmbh Planar, rolled semi-finished product of aluminum alloys

Also Published As

Publication number Publication date
US20070125465A1 (en) 2007-06-07
JP2006522868A (ja) 2006-10-05
ATE370256T1 (de) 2007-09-15
EP1466992A1 (fr) 2004-10-13
KR100716607B1 (ko) 2007-05-10
PT1466992E (pt) 2007-09-12
WO2004090184A1 (fr) 2004-10-21
SI1466992T1 (sl) 2007-12-31
ES2289201T3 (es) 2008-02-01
KR20060018212A (ko) 2006-02-28
DE50307952D1 (de) 2007-09-27
US7846277B2 (en) 2010-12-07

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