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Fabrication et caractérisation d'un matériau composite multicouche Aluminium/Acier assemblé par succession d'opération de colaminage

Sonnino, Federico
(2021)

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Sonnino_37711400_2021.pdf
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Details

Supervisors
Delannay, Laurent ; Sapanathan, Thaneshan
Faculty
Ecole polytechnique de Louvain
Degree label
Master [120] : ingénieur civil en chimie et science des matériaux, à finalité spécialisée
Abstract
enThe aim of this master thesis is to analyze and characterize the mechanical and metallurgical behaviour of multilayer roll-bonded material. The work has taken into account the manufacturing part of the analysed specimen, namely : alternating layers of Aluminum Al1050 and Steel S235. On one side, several mechanical tests were used in this study, such as : hardening, tensile and four points bending to characterize the multilayered structure. Metallurgical observations were made by laboratory Scanning Electron Microscopy (SEM), Energy Dispersive X-Ray analysis (EDX), optical microscope and micro X-Ray tomography. These observations shows the microstructure, and microscopic defects of the manufactured specimens. Finally, a 2D-simulation was carried out to predict and understand the plastic deformation behaviour of the multilayer sample during the co-rolling process. This simulation supports the behavior of the local necking formed in the S235 steel, and the manufacturing defects formation during the fabrication process.