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Damage in recycled Al-alloys studied by correlative 4D experiments and simulations

Thesis proposal

Area of expertiseMechanics
Doctoral SchoolISMME - Systems Engineering, Materials, Mechanics, Energy
SupervisorM. Thilo MORGENEYER
Research unitCentre of materials
Starting dateOctober 1st 2023
KeywordsCircular economy, damage nucleation, intermetallic particles, tomography, plane strain, image correlation
AbstractThe PhD project aims at understanding and modeling the damage mechanisms operating in recycled aluminium alloys when loaded in plane strain mode. .Recycling aluminium allows both energy savings and a drastic reduction of GHG emissions, because only 5% of the energy required for primary synthesis (ore reduction) is needed to remelt aluminium scrap. In comparison with reference alloys currently used in transport and packaging sectors, these alloys have a higher content in impurities, especially iron, which often leads to decreasing mechanical performance. Its main objective is to predict the impact of microstructural features related to intermetallic particles (size, morphology, nature, spatial distribution) and their environment (matrix’ hardness, crystallographic orientations of grains) on ductility and formability by combining in-situ 3D synchrotron characterizations at different resolutions and multi-scale simulations.
ProfileEngineer and / or Master of Science - Good level of general and scientific culture. Good level of knowledge of French (B2 level in french is required) and English. (B2 level in english is required) Good analytical, synthesis, innovation and communication skills. Qualities of adaptability and creativity. Teaching skills. Motivation for research activity. Coherent professional project.

Prerequisite (specific skills for this thesis):

PhD candidate should have excellent skills in mechanics and physical metallurgy and ability for both experimental work and micro-mechanical modelling.

Applicants should supply the following :
• a detailed resume
• a copy of the identity card or passport
• a covering letter explaining the applicant’s motivation for the position
• detailed exam results
• two references : the name and contact details of at least two people who could be contacted
• to provide an appreciation of the candidate
• Your notes of M1, M2
• level of English equivalent TOEIC
to be sent to recrutement_these@mat.mines-paristech.fr

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