Etude du soudage TIG de l’alliage d’aluminium 2024-T3
TypeCommunications avec actes
Recent programs of aircraft design are characterized in terms of materials, by introducing weldable alloys as alternatives to the traditional technique of riveting, open the way to reduce weight and allow cost reductions in production and maintenance. Understanding the influence of various parameters of TIG welding process applied to the alloy 2024-T3 aluminum should help us to take into account the behavior in service of assemblies, from the design of structures. This work deals with the definition of a weldability operating field of the alloy studied and metallurgical and mechanical consequences of this assembly on the properties of the material.
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BELHADJ, Asma; BESSROUR, Jamel; MASSE, Jean-Eric; BOUHAFS, Mahmoud; BARRALLIER, Laurent (Elsevier, 2010)In this paper, a three-dimensional finite element model is developed to simulate thermal history magnesium-based alloys during laser beam welding. Space–time temperature distributions in weldments are predicted from the ...
Influence of the microstructural changes and induced residual stresses on tensile properties of wrought magnesium alloy friction stir welds COMMIN, loreleï; DUMONT, Myriam; ROTINAT, René; PIERRON, Fabrice; MASSE, Jean-Eric; BARRALLIER, Laurent (Elsevier, 2012)Friction stir welding induces a microstructural evolution and residual stresses that will influence the resulting mechanical properties. Friction stir welds produced from magnesium alloy hot rolled plates were studied. ...
BELHADJ, Asma; MASSE, Jean-Eric; BARRALLIER, Laurent; BOUHAFS, Mahmoud; BESSROUR, Jamel (Laser Institute of America, 2010)Magnesium alloys have a 33% lower density than aluminum alloys, whereas they exhibit the same mechanical characteristics. Their application increases in many economic sectors, in particular, in aeronautic and automotive ...
COMMIN, Loreleï; DUMONT, Myriam; MASSE, Jean-Eric; BARRALLIER, Laurent (Elsevier, 2009)The temperature evolution during friction stir welding (FSW) and the resulting residual stresses of AZ31 Mg alloy were studied to get a better understanding of the mechanisms involved in this process. The relationship ...
ARBAOUI, Larbi; MASSE, Jean-Eric; BARRALLIER, Laurent; MOCELLIN, Katia (Springer-Verlag France, 2010)A finite element model has been developed to simulate an innovative laser rapid prototyping process. Several numerical developments have been implemented in order to simulate the main steps of the rapid prototyping process: ...