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Modélisation de procédés de fabrication additive de pièces aéronautiques et spatiales en Ti-6AI-4V par dépôt et fusion sélective d'un lit de poudre par laser : Approche thermique, métallurgique et mécanique

Abstract : Additive manufacturing processes allow to build finished industrial parts with very complex geometry, while reducing development time and costs compared to conventional manufacturing processes. The main principle of all these processes is to build components directly from a CAD file defining its geometry without requiring any mold nor specific tools.This study is part of the FALAFEL research project focused on additive manufacturing processes by laser and electron beams. It is composed of academic research laboratories and industrial partners from Aeronautics and Laser Processes industries. The main goal of this project is to implement, improve and validate additive manufacturing processes regarding the production of metallic components for Aeronautics. Studies are conducted under industrial conditions.The aim of our thesis is to provide a numerical model to obtain, within a reasonable time, information about the mechanical and metallurgical properties of industrial components made out of titanium Ti-6Al-4V. It is aimed at two additive manufacturing processes: the Direct Metal Deposition (DMD) and the Selective laser melting (SLM).
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https://pastel.archives-ouvertes.fr/tel-03510208
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Submitted on : Tuesday, January 4, 2022 - 2:23:54 PM
Last modification on : Tuesday, January 18, 2022 - 2:24:50 PM
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2016PSLEM055_archivage.pdf
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  • HAL Id : tel-03510208, version 1

Citation

Guillaume Marion. Modélisation de procédés de fabrication additive de pièces aéronautiques et spatiales en Ti-6AI-4V par dépôt et fusion sélective d'un lit de poudre par laser : Approche thermique, métallurgique et mécanique. Mécanique des matériaux [physics.class-ph]. Université Paris sciences et lettres, 2016. Français. ⟨NNT : 2016PSLEM055⟩. ⟨tel-03510208⟩

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