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. Thilo MORGENEYER |
| Co-supervisor | M. Henry PROUDHON |
| Research unit | Centre of materials |
| Contact | https://www.mat.minesparis.psl.eu/formation/doctorat/propositions-de-sujets-de-these/http:// |
| Starting date | October 1st 2024 |
| Keywords | Hydrogen embrittlement, tomography, damage micromechanisms |
| Abstract | For European industry decarbonization, ‘green’ hydrogen may be an important component. Its storage and transport are, however, a challenge as hydrogen embrittles numerous metallic materials. The present thesis will take place in the framework of a Horizon project of the European Union involving leading European research institutions and steel manufacturers. The aim of the study is to identify the change of damage micromechanisms in steels used for hydrogen transportation and storage. To achieve this aim, mechanical testing will be carried out for an austenitic stainless steel and a bainitic steel including the presence of welds. Advanced microstructure characterization (FIB-EBSD, diffraction contrast tomography) will be used to explore the linkage between microstructural features and damage mechanisms. A significant part of the study will leverage in situ mechanical testing under synchrotron microtomography to access damage in the bulk of the specimen during the tests and analyze the effect of the presence of hydrogen. Hydrogen (pre)charging will be perfomed in the hydrogen pressure chamber in the Centre des Matériaux in cooperation with a second PhD student. Samples cut from flat fracture mechanics samples obtained by interrupted testing will also be tomography scanned. The final goal is to use these multi-scale characterization results to build a comprehensive picture of hydrogen-induced damage mechanisms changes of the studied steels, including welds, for modelling of the hydrogen induced effects. |
| 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): 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 | Partenariat d'entreprises ou d'associations |
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