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LCAE laboratory from the Technological Research Division at CEA List, in partnership with the LISL laboratory from the CEA DEN, specialized in metal additive layer manufacturing processes, proposes a PhD thesis aiming at developing methods to integrate optical fiber sensors (OFS) based on high temperature resistant Fiber Bragg Gratings (FBGs) in metallic components obtained thanks to metal additive layer manufacturing processes either for the aerospace or for the nuclear industry. Thanks to recent developments, ultra-stable FBGs have been realized using direct writing processes into silica optical fibers with femtosecond lasers. These temperature and strain transducers combined with special optical fibers designed for very high temperature environments will be considered for the instrumentation of components obtained by metal additive layer manufacturing. This project aims at contributing to the adoption of in situ monitoring of 3D-printed metallic components, paving the way for their Structural Health Monitoring (SHM) to anticipate failures in the fabrication process and to optimize operating costs thanks to the development of predictive and conditional maintenance-based procedures.
Laboratoire Capteurs et Architectures Electroniques
CEA/SACLAYDM2I/LCAEBât. 451 P 23A - PC 7291191 GIF SUR YVETTE
Phone number: +33169082938
Sciences de la Matière, du Rayonnement et de l'Environnement (SMRE)
Start date on 01-10-2019
Université de Lille 1
Laboratoire PhLAM - UMR 8523
Bât. P5 - USTL
Phone number: 03 62 53 15 41
« The age limit is 26 years for PhD offers and 30 years old for post-doc offers. »