Centre des Matériaux
Pierre-Marie Fourt
Pierre-Marie Fourt
Lecture
Bio-based aerogels: new eco-friendly porous materials for thermal insulation and controlled release
| Area of expertise | Mechanics |
| Doctoral School | ISMME - Systems Engineering, Materials, Mechanics, Energy |
| Supervisor | M. Henry PROUDHON |
| Research unit | Centre of materials |
| Contact | http://www.mat.minesparis.psl.eu/formation/doctorat/propositions-de-sujets-de-these/ |
| Starting date | October 1st 2023 |
| Keywords | Crystal plasticity, fatigue Dwell, microstructure generation, finite elements, TA6V |
| Abstract | Cold Dwell fatigue modifies the behavior and reduces the fatigue life of the TA6V titanium alloy. This problem is the cause of many cases of erlier failure of turbomachine disks. The presence, in the alloy, of 'macrozones (MTR)' seems to contribute to it. The morphology of the phases present at low temperature also seems to have an important role. In this context, this thesis aims to better understand and model the mechanical behavior and the life reduction of this titanium alloy under a dwell loading at room temperature. A multi-scale approach based on the use of a crystal plasticity model will be used. The aim is to better understand which parameters can make a MTR 'critical' and how this criticality is dependent on the local loading conditions. |
| Profile | Engineer 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): Mechanics of materials, computational mechanics, constitutive laws, Python programming 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 |
| Funding | Convention CIFRE |
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