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Creep Forming of an Al-Mg-Li Alloy for Aeronautic Application

Conférence invitée
Auteur
YOUNES, Wael
206863 Laboratoire des Arts et Métiers ParisTech d'Angers - Procédés Matériaux Durabilité [LAMPA - PMD]
235335 Institut de Recherche Technologique Jules Verne [Bouguenais] [IRT Jules Verne]
GIRAUD, Eliane
206863 Laboratoire des Arts et Métiers ParisTech d'Angers - Procédés Matériaux Durabilité [LAMPA - PMD]
MONTASSAR, Fredj
206863 Laboratoire des Arts et Métiers ParisTech d'Angers - Procédés Matériaux Durabilité [LAMPA - PMD]
DAL SANTO, Philippe
206863 Laboratoire des Arts et Métiers ParisTech d'Angers - Procédés Matériaux Durabilité [LAMPA - PMD]
VAN DER VEEN, Sjoerd
55697 Airbus [France]

URI
http://hdl.handle.net/10985/11241
Date
2016

Résumé

Creep forming of Al-Mg-Li alloy sheets is studied. An instrumented bulging machine is used to form a double curvature panel at a reduced scale. The deformation of the work-sheet is ensured by a 7475 aluminum alloy lost sheet deformed by a gas pressure applied on its upper surface. A numerical model using the ABAQUS software is developed in order to obtain the pressure law and to ensure the forming conditions during the cycle. This model is validated by comparing experiments and numerical results in terms of deformed shape and thickness evolution.

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  • Laboratoire Angevin de Mécanique, Procédés et InnovAtion (LAMPA)

Documents liés

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  • Creep age forming of Al-Cu-Li alloy: Application to thick sheet forming of double curvature aircraft panel 
    Conférence invitée
    YOUNES, Wael; GIRAUD, Eliane; ZOUARI, Ahmed; DAL SANTO, Philippe; VAN DER VEEN, Sjoerd (2016)
    Creep-age-forming of a thick Al-Cu-Li sheet is studied. An industrial stamping press is used to form a double curvature panel at a reduced scale. This forming, which includes several relaxation steps, is modelled using ...
  • Plasticity criterion for hot forming of Aluminum-Lithium alloy 
    Communication avec acte
    YOUNES, Wael; GIRAUD, Eliane; DAL SANTO, Philippe (Trans Tech Publications, 2015)
    Anisotropic behavior at high temperature of an Aluminum-Lithium alloy was studied. Mechanical tests at a temperature of 350°C and a strain rate of 10-2 s-1 were carried out on samples taken at different angles with respect ...
  • Heat treatment simulation of Ti-6Al-4V parts produced by selective laser melting 
    Article dans une revue avec comité de lecture
    CARDON, Amandine; ccMAREAU, Charles; ccAYED, Yessine; VAN DER VEEN, Sjoerd; GIRAUD, Eliane; DAL SANTO, Philippe (Elsevier BV, 2020-12-17)
    The present work focuses on the simulation of the heat treatment applied after printing of Ti-6Al-4V parts. The numerical tool aims at predicting the influence of heat treatment conditions (e.g. holding time, temperature) ...
  • Cold forming by stretching of aeronautic sheet metal parts 
    Article dans une revue avec comité de lecture
    DAL SANTO, Philippe; ccGERMAIN, Guénaël; BOUDE, Serge; GIRAUD, Eliane (Taylor & Francis, 2014)
    In this article, the development of an industrial prototype for manufacturing aeronautical fuselage panels is investigated. Deep drawing of large components such as aircraft fuselage panels is not an easy task in terms of ...
  • Numerical and Experimental Analysis of Cold Stretching of Aluminum Sheets Using an Instrumented Bench 
    Conférence invitée
    EL GUEDER, Jawhar; GIRAUD, Eliane; ZHAO, Nan; DAL SANTO, Philippe (2016)
    Cold stretching of a thin 5154 aluminium sheet is studied. An instrumented bench is developed to analyse the forming of double curvature panels. A numerical tool using ABAQUS software is developed to predict the behaviour ...

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