EP3201370B1 - Knetprodukt aus einer aluminium magnesium lithium legierung - Google Patents

Knetprodukt aus einer aluminium magnesium lithium legierung Download PDF

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Publication number
EP3201370B1
EP3201370B1 EP15785159.3A EP15785159A EP3201370B1 EP 3201370 B1 EP3201370 B1 EP 3201370B1 EP 15785159 A EP15785159 A EP 15785159A EP 3201370 B1 EP3201370 B1 EP 3201370B1
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wrought
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mpa
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EP15785159.3A
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English (en)
French (fr)
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EP3201370A1 (de
Inventor
Gaëlle POUGET
Bernard Bes
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Constellium Issoire SAS
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Constellium Issoire SAS
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Priority claimed from FR1402187A external-priority patent/FR3026410B1/fr
Priority claimed from FR1402186A external-priority patent/FR3026411B1/fr
Application filed by Constellium Issoire SAS filed Critical Constellium Issoire SAS
Publication of EP3201370A1 publication Critical patent/EP3201370A1/de
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    • 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
    • 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
    • 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
    • C22F1/002—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working by rapid cooling or quenching; cooling agents used therefor

Claims (13)

  1. Kneterzeugnis aus einer Aluminiumlegierung mit der Zusammensetzung, in Gewichtsprozent, Mg: 4,0 - 5,0; Li: 1,0 - 1,8; Mn: 0,35 - 0,45; Zr: 0,05 - 0,15; Ag: ≤ 0,5; Fe: ≤ 0,1; Ti: ≤ 0,15; Si: ≤ 0,05; weitere Elemente jeweils ≤ 0,05 und zusammen ≤ 0,15; Rest Aluminium.
  2. Kneterzeugnis nach Anspruch 1 mit einem Mn-Gehalt, in Gewichtsprozent, von 0,35 bis 0,40.
  3. Kneterzeugnis nach Anspruch 1 oder 2 mit einem Zn-Gehalt, in Gewichtsprozent, von weniger als 0,04%, bevorzugt höchstens 0,03%.
  4. Kneterzeugnis nach irgendeinem der Ansprüche 1 bis 3 mit einem Fe-Gehalt, in Gewichtsprozent, von weniger als 0,08%, bevorzugt höchstens 0,07%, weiter bevorzugt höchstens 0,06%.
  5. Kneterzeugnis nach irgendeinem der Ansprüche 1 bis 4 mit einem Li-Gehalt, in Gewichtsprozent, von weniger als 1,6 %, bevorzugt höchstens 1,5 %, weiter bevorzugt höchstens 1,4 %.
  6. Kneterzeugnis nach irgendeinem der Ansprüche 1 bis 5 mit geringerer Delamination auf den Bruchflächen von nach ASTM E399 hergestellten Klc-Proben als ein identisches Kneterzeugnis, welches sich nur durch einen Mn-Gehalt, in Gewichtsprozent, von weniger als 0,3 unterscheidet.
  7. Kneterzeugnis nach irgendeinem der Ansprüche 1 bis 6, das bei halber Dicke, bei einer Dicke zwischen 0,5 und 15 mm, eine höhere Bruchfestigkeit in L-Richtung Rm(L) besitzt als ein identisches Kneterzeugnis, welches sich nur durch einen Mn-Gehalt, in Gewichtsprozent, von weniger als 0,3 unterscheidet.
  8. Kneterzeugnis nach irgendeinem der Ansprüche 1 bis 6, das bei halber Dicke, bei einer Dicke zwischen 0,5 und 15 mm, eine höhere Dehngrenze unter Zugbelastung in L-Richtung Rp0,2 (L) besitzt als ein identisches Kneterzeugnis, welches sich nur durch einen Mn-Gehalt, in Gewichtsprozent, von weniger als 0,3 unterscheidet.
  9. Verfahren zur Herstellung eines Kneterzeugnisses, wobei:
    (a) eine Rohform aus einer Aluminiumlegierung folgender Zusammensetzung, in Gewichtsprozent, gegossen wird:
    Mg: 4,0 - 5,0; Li: 1,0 - 1,8; Mn: 0,35 - 0,45; Zr: 0,05 - 0,15; Ag: ≤ 0,5; Fe: ≤ 0,1; Ti: < 0,15; Si: ≤ 0,05; weitere Elemente jeweils ≤ 0,05 und zusammen ≤ 0,15; Rest Aluminium;
    (b) gegebenenfalls die Rohform homogenisiert wird;
    (c) die Rohform warmverformt wird, um ein warmverformtes Erzeugnis zu erhalten;
    (d) gegebenenfalls das warmverformte Erzeugnis bei einer Temperatur von 360°C bis 460°C, vorzugsweise 380°C bis 420°C, für 15 Minuten bis 8 Stunden lösungsgeglüht wird;
    (e) das warmverformte Erzeugnis abgeschreckt wird;
    (f) gegebenenfalls das warmverformte und abgeschreckte Erzeugnis gerichtet wird;
    (g) gegebenenfalls das verformte Erzeugnis kontrolliert kaltverformt wird, um eine bleibende Kaltverformung von 1 bis 10 %, bevorzugt von 2 bis 6 %, weiter bevorzugt von 3 bis 5 % zu erhalten;
    (h) das verformte und abgeschreckte Erzeugnis ausgelagert wird.
  10. Verfahren nach Anspruch 9, wobei der Auslagerungsschritt (h) vor dem Kaltverformungsschritt (g) kontrolliert durchgeführt wird.
  11. Verfahren nach Anspruch 9 oder 10, wobei die Warmverformung aus Schritt c) eine Verformung der Rohform durch Strangpressen ist.
  12. Verfahren nach irgendeinem der Ansprüche 9 bis 11, wobei das Abschrecken aus Schritt (e) ein Presshärten ist.
  13. Verwendung eines Kneterzeugnisses nach irgendeinem der Ansprüche 1 bis 8 oder eines nach irgendeinem der Ansprüche 9 bis 12 gewonnenen Kneterzeugnisses zur Herstellung eines Luftfahrzeugstrukturbauteils, vorzugsweise einer Rumpfhaut, eines Rumpfrahmens, einer Rumpfversteifung oder einer Rippe.
EP15785159.3A 2014-09-29 2015-09-29 Knetprodukt aus einer aluminium magnesium lithium legierung Active EP3201370B1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
FR1402187A FR3026410B1 (fr) 2014-09-29 2014-09-29 Produit corroye en alliage aluminium magnesium lithium
FR1402186A FR3026411B1 (fr) 2014-09-29 2014-09-29 Procede de fabrication de produits en alliage aluminium magnesium lithium
PCT/FR2015/052580 WO2016051060A1 (fr) 2014-09-29 2015-09-29 Produit corroye en alliage aluminium magnesium lithium

Publications (2)

Publication Number Publication Date
EP3201370A1 EP3201370A1 (de) 2017-08-09
EP3201370B1 true EP3201370B1 (de) 2020-04-15

Family

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Family Applications (2)

Application Number Title Priority Date Filing Date
EP15785160.1A Active EP3201371B1 (de) 2014-09-29 2015-09-29 Verfahren zur herstellung eines knetproduktes aus einer aluminium-magnesium-lithium legierung, knetprodukt und vervendung des knetproduktes
EP15785159.3A Active EP3201370B1 (de) 2014-09-29 2015-09-29 Knetprodukt aus einer aluminium magnesium lithium legierung

Family Applications Before (1)

Application Number Title Priority Date Filing Date
EP15785160.1A Active EP3201371B1 (de) 2014-09-29 2015-09-29 Verfahren zur herstellung eines knetproduktes aus einer aluminium-magnesium-lithium legierung, knetprodukt und vervendung des knetproduktes

Country Status (8)

Country Link
US (2) US20170292180A1 (de)
EP (2) EP3201371B1 (de)
JP (1) JP2017532456A (de)
KR (1) KR20170067810A (de)
CN (2) CN106715735A (de)
BR (2) BR112017006131A2 (de)
CA (2) CA2960947A1 (de)
WO (2) WO2016051061A1 (de)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
MX2019001802A (es) 2016-08-26 2019-07-04 Shape Corp Proceso de modelacion en caliente y aparato para flexion transversal de una viga de aluminio extrudida para modelar en caliente un componente estructural del vehiculo.
FR3057476B1 (fr) * 2016-10-17 2018-10-12 Constellium Issoire Toles minces en alliage aluminium-magnesium-scandium pour applications aerospatiales
WO2018078527A1 (en) 2016-10-24 2018-05-03 Shape Corp. Multi-stage aluminum alloy forming and thermal processing method for the production of vehicle components
FR3080861B1 (fr) * 2018-05-02 2021-03-19 Constellium Issoire Procede de fabrication d'un alliage aluminium cuivre lithium a resistance en compression et tenacite ameliorees
CN113661262B (zh) * 2019-04-05 2023-10-03 奥科宁克技术有限责任公司 冷成型铝锂合金的方法
US20230002865A1 (en) * 2019-12-17 2023-01-05 Novelis, Inc. Suppression of stress corrosion cracking in high magnesium alloys through the addition of calcium
CN112226656A (zh) * 2020-09-25 2021-01-15 西南铝业（集团）有限责任公司 一种Al-Mg-Mn-Er系铝合金挤压制品的生产工艺
CN112410691B (zh) * 2020-11-10 2021-12-24 中国航发北京航空材料研究院 一种铝锂合金材料退火工艺
CN114054531A (zh) * 2021-11-18 2022-02-18 西南铝业（集团）有限责任公司 一种高均匀性2196铝锂合金型材的挤压方法

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FR1519021A (fr) * 1967-03-07 1968-03-29 Iosif Naumovich Fridlyander Ni Alliage à base d'aluminium
SU1367517A1 (ru) * 1986-01-16 1995-07-25 И.Н. Фридляндер Сплав на основе алюминия
JPS63206445A (ja) * 1986-12-01 1988-08-25 コマルコ・アルミニウム・エルティーディー アルミニウム−リチウム三元合金
US4790884A (en) * 1987-03-02 1988-12-13 Aluminum Company Of America Aluminum-lithium flat rolled product and method of making
KR960007429B1 (ko) * 1987-08-10 1996-05-31 마틴 마리에타 코포레이션 초 고강도의 용접가능한 알루미늄-리튬합금
CA1338007C (en) * 1988-01-28 1996-01-30 Roberto J. Rioja Aluminum-lithium alloys
DE69912850T2 (de) * 1998-12-18 2004-09-09 Corus Aluminium Walzprodukte Gmbh Herstellungsverfahren eines produktes aus aluminium-magnesium-lithium-legierung
RU2256720C1 (ru) * 2004-04-02 2005-07-20 Федеральное государственное унитарное предприятие "Всероссийский научно-исследовательский институт авиационных материалов" (ФГУП "ВИАМ") Способ термомеханической обработки полуфабрикатов из алюминиевых сплавов
RU2008105307A (ru) * 2005-08-16 2009-08-20 Алерис Алюминум Кобленц Гмбх (De) Поддающийся сварке высокопрочный al-mg сплав
FR2894985B1 (fr) * 2005-12-20 2008-01-18 Alcan Rhenalu Sa Tole en aluminium-cuivre-lithium a haute tenacite pour fuselage d'avion
DE112008003052T5 (de) * 2007-11-15 2010-12-16 Aleris Aluminum Koblenz Gmbh Produkt aus Al-Mg-Zn-Knetlegierung und Herstellungsverfahren dafür
FR2975403B1 (fr) * 2011-05-20 2018-11-02 Constellium Issoire Alliage aluminium magnesium lithium a tenacite amelioree
CN103045975A (zh) * 2012-12-29 2013-04-17 湖南工程学院 一种改善Al-Mg-Li系合金易轧制开裂的方法

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Also Published As

Publication number Publication date
EP3201370A1 (de) 2017-08-09
CN107075623A (zh) 2017-08-18
CA2960947A1 (fr) 2016-04-07
US20170292180A1 (en) 2017-10-12
BR112017006273A2 (pt) 2017-12-12
CA2960942A1 (fr) 2016-04-07
EP3201371B1 (de) 2021-04-28
BR112017006273B1 (pt) 2021-06-08
CN106715735A (zh) 2017-05-24
WO2016051061A1 (fr) 2016-04-07
WO2016051060A1 (fr) 2016-04-07
JP2017532456A (ja) 2017-11-02
EP3201371A1 (de) 2017-08-09
BR112017006131A2 (pt) 2017-12-19
KR20170067810A (ko) 2017-06-16
US20170218493A1 (en) 2017-08-03

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