693.932 PEOPLE
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| Naji, M. |
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| Petrov, R. H. | Madrid |
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Roche, Jean-Michel
Office National d'Études et de Recherches Aérospatiales
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (17/17 displayed)
- 2024Investigating the sensitivity of fiber bragg grating to process-induced gap in thermoplastic composite laminates
- 2024Investigating the Sensitivity of Fiber Bragg Grating to a Process Induced Gap during Vacuum Bag Consolidation in Thermoplastic Composite Laminates
- 2023Investigation of the thermal cycling durability of cobonded piezoelectric sensors for the shm of reusable launch vehicles
- 2023In-situ monitoring of consolidation process for high-performance thermoplastic composites by Fibre Bragg Grating
- 2023In-situ monitoring of consolidation process for high-performance thermoplastic composites by Fibre Bragg Grating ; Suivi in-situ du processus de consolidation de composite thermoplastique hautes performances par fibre à réseau de Bragg
- 2023Thermal Cycling Durability of Bonded PZT Transducers Used for the SHM of Reusable Launch Vehiclescitations
- 2023Assesment of different additive manufacturing routes for repair: comparison of liquid-phase and solid-state material deposition processes ; Evaluation de différentes voies de fabrication additive pour la réparation : comparaison des procédés de dépôt de matériaux en phase liquide et a l'état solide
- 2022Contribution of IR thermography to assess lightning-strike impact resistance of carbon fiber composite materials
- 2022Contribution of IR thermography to assess lightning-strike impact resistance of carbon fiber composite materials ; Apport de la thermographie IR pour estimer la tenue des matériaux composites fibres de carbone à l'impact foudre
- 2021Investigation of self-heating and damage progression in woven carbon fibre composite materials, following the fibres direction, under static and cyclic loading ; Auto-échauffement et suivi d’endommagement de composites fibres de carbone sous sollicitations quasi-statiques et cycliques, dans le sens fibrescitations
- 2020Use of laser spot thermography for the non-destructive imaging of thermal fatigue microcracking of a coated ceramic matrix compositecitations
- 2018Lock-in thermography as a tool for fatigue damage monitoring of composite structurescitations
- 2018Accelerated estimation of fatigue performances of thermoplastic composite material by self-heating monitoring
- 2018Experimental monitoring of the self-heating properties of thermoplastic composite materials during tensile and cyclic tests
- 2017Frequency indentation: towards Non Destructive Test of structures
- 2016Non-destructive inspection of initial defects of PA6.6-GF50/aluminum self-piercing riveted joints and damage monitoring under mechanical static loadingcitations
- 2016Non-destructive inspection of initial defects of PA6.6-GF50/aluminum self-piercing riveted joints and damage monitoring under mechanical static loading ; Inspection non-destructive de défauts initiaux d'assemblages PA6.6-GF50/aluminium par rivetage auto-poinçonneur et suivi d'endommagements durant des essais mécaniques statiquescitations
Places of action
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article
Use of laser spot thermography for the non-destructive imaging of thermal fatigue microcracking of a coated ceramic matrix composite
Abstract
International audience ; In this paper, an environmental barrier coating (EBC), which has undergone thermal cycling under spatiotemporal gradients, is inspected using active thermography. The technique considered herein is known as laser spot thermography. This study deals with the detection of a very thin crack network of unknown orientation. A numerical analysis is presented to investigate the sensitivity of experimental parameters on the detection. Image processing using a Laplacian operator combined with histogram equalisation to mitigate optical defects is then proposed to construct a cartography that is similar to scanning electron microscopy (SEM) observations despite the very adverse conditions.