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Laurent BRIOTTET

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Published on 22 September 2025
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Laurent BRIOTTET

Dr. Hab.​

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F​​ellow​

DrHab Laurent Briottet is Fellow at CEA leading activities dedicated to Hydrogen Embritlment of metallic materials under hydrogen gas.

Starting with a Material Science background, he made his PhD at EMSE on the modelling of void growth in metallic materials. He spent one year at McGill University (Montreal, Canada) as a post doctoral fellow, studying the mechanical behaviour of two-phase materials.

In 2012, he obtained his habilitation to conduct research addressing embrittlement of metallic materials.​

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Do​​mains​​​​

 

Team

  • ​​4 staff
  • 0 postdocs
  • 2 PhD students​​

Research Description​​

Laurent Briottet works on the mechanical behaviour and damage of metallic materials, linking microstructure and macroscopic behaviour. For the past 15 years, he has been studying hydrogen gas embrittlement of metal alloys under pressure.

This has necessitated the acquisition and development of specific experimental equipments to test the mechanical behaviour of metallic materials at pressures up to 1000 bar.

The results obtained provide a better understanding of the mechanisms involved, quantify the effects of H2 to facilitate the design of hydrogen infrastructures and provide the data needed to develop more appropriate standards.​


Selected publications and conferences:  

  • Effect of water vapor and H2S content on the hydrogen embrittlement sensitivity of low alloy steels for underground storage, International Journal of Hydrogen Energy, 2024, DOI: 10.1016/j.ijhydene.2024.02.331
  • Mechanical characterization of metals under Hydrogen pressure: focus on some EU developments, Expert Workshop on Challenges and Solutions to implementation and reliable operation of Large-Scale Gaseous Hydrogen Infrastructure, Bellevue, USA, 2024, invited.
  • Impact of pre-treatments on the surface composition, the optical and flow properties of a CuCrZr powder dedicated to laser powder bed fusion use, Powder technology, 2022, DOI: 10.1016/j.powtec.2022.117931
  • Influence of natural gas/hydrogen on the fatigue and fracture toughness properties of three pipeline steels, SteelyHydrogen conference, Gent, Belgium, 2022.
  • ​ Hydrogen enhanced fatigue in full scale metallic vessel tests - Results from the MATHRYCE project, International journal of hydrogen energy, 2017, DOI: 10.1016/j.ijhydene.2017.01.144
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