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HyTex - Research project
Influence of ultrafast laser texturing on hydrogen uptake and diffusion in metallic materials
Post-doctoral fellow: Anthony NAKHOUL
ABSTRACT
The Hytex project focuses on optimizing metallic surfaces to enhance their resistance to hydrogen, a critical challenge in hydrogen storage and transport technologies. Using ultrafast laser texturing techniques, the project aims to create organized nanostructured surfaces on a Fe-Cr alloy. These surfaces, characterized by periodic surface structures (LIPSS), are studied to understand their impact on reducing hydrogen absorption. Experimental results showed a significant reduction in hydrogen permeation, due to the formation of a fine duplex oxide layer and changes in surface topography. This project contributes to the development of functional materials for industrial applications in hydrogen-rich environments, with implications for improving the durability and performance of materials under these conditions.
PUBLICATIONS
CONFERENCES
- A. Nakhoul, A. Dreano, C. Maurice,V. Barnier, M. Lenci, F. Garrelie, J.-P. Colombier, "Surface morphology control at nanometric scale by ultrashort laser pulses for energy storage application", TMS 2024 - USA, Florida, Orlando - 3--> 8 mars 2024
- A. Nakhoul, A. Dreano, C. Maurice,V. Barnier, M. Lenci, F. Garrelie, J.-P. Colombier, "Impact of laser treatment on hydrogen permeation in Fe-Cr alloy", Oxford-EPRI Hydrogen Embrittlement Workshop, 23-26 June 2024
- A. Nakhoul, A. Dreano, C. Maurice,V. Barnier, M. Lenci, F. Garrelie, J.-P. Colombier, "Impact of laser treatment on hydrogen permeation in Fe-Cr alloy", 2025 ASTM Conference on Hydrogen in Materials - juin 2025
PATENT
- A. Nakhoul, A. Dréano, F. Christien, F. Garrelie, J.-P. Colombier, FR2404172
About the HyTex project
RESEARCH AXIS
Axis #1
Axis #3
KEYWORDS
Texturing, Surface, Femtosecond Laser, Hydrogen, Diffusion, Embrittlement
DURATION - STATUS
01/12/22 - 31/05/24 - Ongoing
POST DOCTORAL FELLOW
Anthony NAKHOUL (LGF)
PROJECT COORDINATORS
Alixe DRÉANO (LGF)
COORDINATING LABORATORY
Georges Friedel Laboratory (LGF)
PARTNER LABORATORIES - OTHER PARTNERS
Hubert Curien Laboratory (LabHC)
PARTNER RESEARCHERS
Frédéric CHRISTIEN (LGF)
Vincent BARNIER (LGF)
Claire MAURICE (LGF)
Jean-Philippe COLOMBIER (LabHC)
Florence GARRELIE (LabHC)
Axis #1
Axis #3
KEYWORDS
Texturing, Surface, Femtosecond Laser, Hydrogen, Diffusion, Embrittlement
DURATION - STATUS
01/12/22 - 31/05/24 - Ongoing
POST DOCTORAL FELLOW
Anthony NAKHOUL (LGF)
PROJECT COORDINATORS
Alixe DRÉANO (LGF)
COORDINATING LABORATORY
Georges Friedel Laboratory (LGF)
PARTNER LABORATORIES - OTHER PARTNERS
Hubert Curien Laboratory (LabHC)
PARTNER RESEARCHERS
Frédéric CHRISTIEN (LGF)
Vincent BARNIER (LGF)
Claire MAURICE (LGF)
Jean-Philippe COLOMBIER (LabHC)
Florence GARRELIE (LabHC)