EP0292411B1 - Alliage d'aluminium pour tôles minces adaptées a l'obtention de couvercles et de corps de boîtes et procédé de fabrication desdites tôles - Google Patents

Alliage d'aluminium pour tôles minces adaptées a l'obtention de couvercles et de corps de boîtes et procédé de fabrication desdites tôles Download PDF

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Publication number
EP0292411B1
EP0292411B1 EP88420161A EP88420161A EP0292411B1 EP 0292411 B1 EP0292411 B1 EP 0292411B1 EP 88420161 A EP88420161 A EP 88420161A EP 88420161 A EP88420161 A EP 88420161A EP 0292411 B1 EP0292411 B1 EP 0292411B1
Authority
EP
European Patent Office
Prior art keywords
strip
bodies
heated
thickness
sheets
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
EP88420161A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0292411A1 (fr
Inventor
Didier Teirlinck
Jacques Gagnière
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
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 Pechiney Rhenalu SAS filed Critical Pechiney Rhenalu SAS
Publication of EP0292411A1 publication Critical patent/EP0292411A1/fr
Application granted granted Critical
Publication of EP0292411B1 publication Critical patent/EP0292411B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • 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
    • C22F1/05—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 of the Al-Si-Mg type, i.e. containing silicon and magnesium in approximately equal proportions

Definitions

  • the present invention relates to an aluminum alloy for thin sheets suitable for obtaining lids and bodies of boxes intended to contain food or carbonated drinks and to a process for manufacturing said sheets.
  • Aluminum alloys are now widely used for the manufacture of boxes intended to contain both solid and liquid food as well as carbonated drinks.
  • boxes are made up of two parts: a body with an integrated bottom, the side wall of which can be printed or not, on which is attached a cover provided with an easy opening system, in particular in the case of boxes for carbonated drinks.
  • the covers are generally obtained by cutting a thin sheet of thickness between 200 and 400 ⁇ m and the bodies of neighboring thickness are either by stamping, or by stamping followed by re-drawing.
  • the sheet should have characteristics adapted to each of these peculiarities.
  • the covers with easy opening must have a mechanical resistance higher than that of the other covers so as not to tear during their use;
  • the printed or re-stretched bodies must have a relatively low rate of horns to avoid any deformation either of the preprinted characters or of the upper part of the body which receives the cover; bodies subjected to re-stretching should not seize on contact with the tools to avoid the appearance of scratches or even breaks.
  • lids and bodies have very different compositions, in particular as regards their magnesium and manganese content. This requires different production lines to develop them and thus strike their cost price. But to these drawbacks is added the problem of recycling boxes after use: in fact, given the growing share taken by aluminum alloys on the box market, we realized the significant savings which would result if we recovered said boxes instead of putting them in the landfill.
  • the sheets obtained have the mechanical characteristics with respect to sheet metal for a body 0.2% elastic limit of 250 to 310 MPa, a tensile strength of 260 to 320 MPa and an elongation at break of 1 to 8%; for cover sheets, the values of these characteristics are 310-370 MPa, 320-380 MPa and 1 to 5% respectively.
  • the applicant has aimed to increase these characteristics, in particular in the case of sheets for covers. It achieved this by moving towards an alloy more charged with silicon and characterized in that it contains by weight percent: 0.8 ⁇ manganese ⁇ 1.8, 1 ⁇ silicon ⁇ 2, 0.7 ⁇ magnesium ⁇ 3, iron ⁇ 0.7, copper ⁇ 0.5, chromium ⁇ 0.5, aluminum balance and usual impurities.
  • the higher silicon content promotes in combination with magnesium the formation of Mg2Si which plays the role of hardening agent.
  • the process consists in developing a melt of given composition and in pouring it into strips for example in a cylinder machine which, thanks to the high cooling rates, makes it possible to keep in solid solution a lot of Mg, Si and Mn, this which then makes it easier to dissolve.
  • the strip has a thickness of between 6 and 12 mm.
  • the strip is heated to between 500 and 620 ° C for 2 to 20 hours so as to homogenize the metal.
  • a solution treatment is carried out at a temperature between 500 and 600 ° C. for 0.5 to 10 minutes followed by air quenching allowing characteristics to be obtained superior to those of conventional alloys.
  • this dissolution is carried out between 530 and 580 ° C for 1 to 2 minutes.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Thermal Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Metal Rolling (AREA)
  • Continuous Casting (AREA)
  • Closures For Containers (AREA)
  • Rigid Containers With Two Or More Constituent Elements (AREA)
  • Shaping Metal By Deep-Drawing, Or The Like (AREA)
  • Coating With Molten Metal (AREA)
  • Other Surface Treatments For Metallic Materials (AREA)
  • Adornments (AREA)
  • Laminated Bodies (AREA)
EP88420161A 1987-05-19 1988-05-17 Alliage d'aluminium pour tôles minces adaptées a l'obtention de couvercles et de corps de boîtes et procédé de fabrication desdites tôles Expired - Lifetime EP0292411B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8707170 1987-05-19
FR8707170A FR2615530B1 (fr) 1987-05-19 1987-05-19 Alliage d'aluminium pour toles minces adaptees a l'obtention de couvercles et de corps de boites et procede de fabrication desdites toles

Publications (2)

Publication Number Publication Date
EP0292411A1 EP0292411A1 (fr) 1988-11-23
EP0292411B1 true EP0292411B1 (fr) 1991-10-16

Family

ID=9351314

Family Applications (1)

Application Number Title Priority Date Filing Date
EP88420161A Expired - Lifetime EP0292411B1 (fr) 1987-05-19 1988-05-17 Alliage d'aluminium pour tôles minces adaptées a l'obtention de couvercles et de corps de boîtes et procédé de fabrication desdites tôles

Country Status (15)

Country Link
US (1) US4855107A (ja)
EP (1) EP0292411B1 (ja)
JP (1) JPS63317640A (ja)
KR (1) KR910006022B1 (ja)
CN (1) CN1009374B (ja)
AU (1) AU599546B2 (ja)
BR (1) BR8802384A (ja)
CA (1) CA1307141C (ja)
DE (1) DE3865524D1 (ja)
EG (1) EG18835A (ja)
FR (1) FR2615530B1 (ja)
GR (1) GR3002901T3 (ja)
MX (1) MX169312B (ja)
NO (1) NO172136C (ja)
NZ (1) NZ224639A (ja)

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3913324A1 (de) * 1989-04-22 1990-10-31 Vaw Ver Aluminium Werke Ag Aluminiumwalzhalbzeug und verfahren zu seiner herstellung
US5104459A (en) * 1989-11-28 1992-04-14 Atlantic Richfield Company Method of forming aluminum alloy sheet
US5192378A (en) * 1990-11-13 1993-03-09 Aluminum Company Of America Aluminum alloy sheet for food and beverage containers
US5350010A (en) * 1992-07-31 1994-09-27 Fuji Photo Film Co., Ltd. Method of producing planographic printing plate support
DE69418748T2 (de) * 1993-03-09 1999-10-07 Fuji Photo Film Co., Ltd. Verfahren zum Herstellen eines Trägers für eine Flachdruckplatte
JP3177071B2 (ja) * 1993-07-26 2001-06-18 富士写真フイルム株式会社 平版印刷版支持体
US5681405A (en) 1995-03-09 1997-10-28 Golden Aluminum Company Method for making an improved aluminum alloy sheet product
US6344096B1 (en) 1995-05-11 2002-02-05 Alcoa Inc. Method of producing aluminum alloy sheet for automotive applications
US5714019A (en) * 1995-06-26 1998-02-03 Aluminum Company Of America Method of making aluminum can body stock and end stock from roll cast stock
US5655593A (en) * 1995-09-18 1997-08-12 Kaiser Aluminum & Chemical Corp. Method of manufacturing aluminum alloy sheet
WO1998055663A1 (en) 1997-06-04 1998-12-10 Golden Aluminum Company Continuous casting process for producing aluminum alloys having low earing
US5985058A (en) * 1997-06-04 1999-11-16 Golden Aluminum Company Heat treatment process for aluminum alloys
US5993573A (en) * 1997-06-04 1999-11-30 Golden Aluminum Company Continuously annealed aluminum alloys and process for making same
US5976279A (en) * 1997-06-04 1999-11-02 Golden Aluminum Company For heat treatable aluminum alloys and treatment process for making same
US20030173003A1 (en) * 1997-07-11 2003-09-18 Golden Aluminum Company Continuous casting process for producing aluminum alloys having low earing
WO2003066927A1 (en) * 2002-02-08 2003-08-14 Nichols Aluminium Method and apparatus for producing a solution heat treated sheet
WO2003066926A1 (en) * 2002-02-08 2003-08-14 Nichols Aluminum Method of manufacturing aluminum alloy sheet
WO2004094679A1 (en) * 2003-04-24 2004-11-04 Alcan International Limited Alloys from recycled aluminum scrap containing high levels of iron and silicon
JP5710675B2 (ja) * 2013-03-29 2015-04-30 株式会社神戸製鋼所 包装容器用アルミニウム合金板およびその製造方法
CN106756153A (zh) * 2016-12-20 2017-05-31 重庆顺博铝合金股份有限公司 一种再生铝熔炼工艺及再生铝处理工艺
CN107723535A (zh) * 2017-10-25 2018-02-23 宝鸡市金海源钛标准件制品有限公司 一种铝合金板材的制备方法

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4082578A (en) * 1976-08-05 1978-04-04 Aluminum Company Of America Aluminum structural members for vehicles
DE2754673C2 (de) * 1977-12-08 1980-07-03 Metallgesellschaft Ag, 6000 Frankfurt Verfahren zur Herstellung von Halbzeug aus einer Al-Mn-Legierung mit verbesserten Festigkeitseigenschaften
DE2810188A1 (de) * 1978-03-09 1979-09-13 Metallgesellschaft Ag Verfahren zur weiterbehandlung von aus einer aluminium-mangan-legierung hergestellten blechen und baendern
US4163665A (en) * 1978-06-19 1979-08-07 Alumax Mill Products, Inc. Aluminum alloy containing manganese and copper and products made therefrom
DE2929724C2 (de) * 1978-08-04 1985-12-05 Coors Container Co., Golden, Col. Verfahren zum Herstellen eines Bandes aus einer Aluminiumlegierung für Dosen und Deckel
US4334935A (en) * 1980-04-28 1982-06-15 Alcan Research And Development Limited Production of aluminum alloy sheet
DK465681A (da) * 1980-11-11 1982-05-12 Fujisawa Pharmacetical Co Ltd Fremgangsmaade til fremstilling af peptidderivater
JPS57143472A (en) * 1981-03-02 1982-09-04 Sumitomo Light Metal Ind Ltd Manufacture of aluminum alloy sheet for forming
US4411707A (en) * 1981-03-12 1983-10-25 Coors Container Company Processes for making can end stock from roll cast aluminum and product
CA1201959A (en) * 1981-06-05 1986-03-18 Harish D. Merchant Process for fabricating high strength aluminum sheet

Also Published As

Publication number Publication date
FR2615530A1 (fr) 1988-11-25
GR3002901T3 (en) 1993-01-25
NO172136C (no) 1993-06-09
EP0292411A1 (fr) 1988-11-23
KR910006022B1 (ko) 1991-08-09
MX169312B (es) 1993-06-29
CN1009374B (zh) 1990-08-29
EG18835A (en) 1994-02-28
US4855107A (en) 1989-08-08
CA1307141C (fr) 1992-09-08
DE3865524D1 (de) 1991-11-21
JPS63317640A (ja) 1988-12-26
JPH0414183B2 (ja) 1992-03-12
BR8802384A (pt) 1988-12-13
CN88102846A (zh) 1988-12-07
AU599546B2 (en) 1990-07-19
NO882130L (no) 1988-11-21
NO882130D0 (no) 1988-05-16
NO172136B (no) 1993-03-01
NZ224639A (en) 1991-02-26
FR2615530B1 (fr) 1992-05-22
KR880014118A (ko) 1988-12-22
AU1639188A (en) 1988-11-24

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