Laboratoire des Sciences de l’Ingénieur pour l’Environnement (LaSIE) - UMR CNRS 7356

Annuaire > GRÉGOIRE Benjamin

Équipe de rattachement : E4 - DMPR
Statut : Enseignant-Chercheur
benjamin.gregoire@univ-lr.fr

Section de Recherche : CNU 33

Stockage d’énergie thermique / Sels fondus / Corrosion à haute température / Compatibilité matériaux / Matériaux composites à changement de phase

– Relations entre microstructure et propriétés des matériaux
– Mécanismes de dégradation et de corrosion des matériaux en milieux sels fondus et sous atmosphères complexes
– Protection des matériaux par revêtements de diffusion d’aluminium et aluminium-silicium
– Transferts de chaleur et de masse dans les matériaux et systèmes de stockage d’énergie thermique
– Synthèse et caractérisation de matériaux à faible coût environnemental pour le stockage d’énergie thermique

Thermal energy storage / Molten salts / High-temperature corrosion / Materials compatibility / Composite phase change materials

– Relationship between microstructure and properties of materials
– Mechanisms of degradation and corrosion of materials in molten salts and under complex atmospheres
– Aluminium and aluminium-silicon diffusion coatings for high-temperature corrosion resistance
– Heat and mass transfer in thermal energy storage materials and systems
– Formulation and characterisation of materials with low environmental impact for thermal energy storage applications

Publications scientifiques :

17 résultats

2023

Article dans une revue

Effect of chromium and silicon additions on the hot corrosion resistance of nickel aluminide coatings

Benjamin Grégoire , Xabier Montero , Mathias Galetz , Gilles Bonnet , Fernando Pedraza

Corrosion Science, 2023, 224, pp.111517. ⟨10.1016/j.corsci.2023.111517⟩

Cr–Mn-diffusion coatings on VM12: In situ spinel formation with high solar absorptance for concentrated solar plants

Anke Silvia Ulrich , Clara Schlereth , Benjamin Grégoire , Florian Sutter , Ceyhun Oskay , Christina Hildebrandt , Mathias Christian Galetz

Solar Energy Materials and Solar Cells, 2023, 257, pp.112382. ⟨10.1016/j.solmat.2023.112382⟩

Resistance of slurry aluminide coatings on pure nickel under different sulphidizing/Hot corrosion conditions at 700 °C

Benjamin Grégoire , Xabier Montero , Mathias Galetz , Gilles Bonnet , Fernando Pedraza

Corrosion Science, 2023, 216, pp.111092. ⟨10.1016/j.corsci.2023.111092⟩

2021

Article dans une revue

Improving the corrosion resistance of ferritic-martensitic steels at 600 °C in molten solar salt via diffusion coatings

Tobias Meißner , Ceyhun Oskay , Alexander Bonk , Benjamin Grégoire , Alexander Donchev , Ali Solimani , Mathias Galetz

Solar Energy Materials and Solar Cells, 2021, 227, pp.111105. ⟨10.1016/j.solmat.2021.111105⟩

Corrosion performance of slurry aluminide coatings in molten NaCl–KCl

B. Grégoire , C. Oskay , T.M. Meißner , M.C. Galetz

Solar Energy Materials and Solar Cells, 2021, 223, pp.110974. ⟨10.1016/j.solmat.2021.110974⟩

2020

Article dans une revue

Corrosion mechanisms of ferritic-martensitic P91 steel and Inconel 600 nickel-based alloy in molten chlorides. Part II: NaCl-KCl-MgCl2 ternary system

B. Grégoire , C. Oskay , T.M. Meißner , M.C. Galetz

Solar Energy Materials and Solar Cells, 2020, 216, pp.110675. ⟨10.1016/j.solmat.2020.110675⟩

Corrosion mechanisms of ferritic-martensitic P91 steel and Inconel 600 nickel-based alloy in molten chlorides. Part I: NaCl–KCl binary system

B. Grégoire , C. Oskay , T.M. Meißner , M.C. Galetz

Solar Energy Materials and Solar Cells, 2020, 215, pp.110659. ⟨10.1016/j.solmat.2020.110659⟩

High Temperature Oxidation of Slurry Aluminized Deformable Austempered Ductile Iron (DADI)

Olga Tsurtsumia , Fernando Pedraza , Benjamin Grégoire , Nugzar Khidasheli , Elguja Kutelia

Metallurgical and Materials Transactions A, 2020, 51 (2), pp.920-926. ⟨10.1007/s11661-019-05576-4⟩

2019

Article dans une revue

Development of thermal barrier coating systems from Al microparticles. Part I: Influence of processing conditions on the mechanisms of formation

Germain Boissonnet , Benjamin Grégoire , Gilles Bonnet , Fernando Pedraza

Surface and Coatings Technology, 2019, 380, pp.125085. ⟨10.1016/j.surfcoat.2019.125085⟩

Development of a new slurry coating design for the surface protection of gas turbine components

Benjamin Grégoire , Gilles Bonnet , Fernando Pedraza

Surface and Coatings Technology, 2019, 374, pp.521-530. ⟨10.1016/j.surfcoat.2019.06.020⟩

Correlations between the kinetics and the mechanisms of hot corrosion of pure nickel at 700 °C

Benjamin Grégoire , Xabier Montero , Mathias Galetz , Gilles Bonnet , Fernando Pedraza

Corrosion Science, 2019, 155, pp.134-145. ⟨10.1016/j.corsci.2019.04.022⟩

Mechanisms of formation of slurry aluminide coatings from Al and Cr microparticles

Gregoire Benjamin , Gilles Bonnet , Fernando Pedraza

Surface and Coatings Technology, 2019, 359, pp.323-333. ⟨10.1016/j.surfcoat.2018.11.077⟩

Dissolution and passivation of aluminide coatings on model and Ni-based superalloy

Y. Le Guével , B. Grégoire , M. J. Cristóbal , X. Feaugas , A. Oudriss , F. Pedraza

Surface and Coatings Technology, 2019, 357, pp.1037-1047. ⟨10.1016/j.surfcoat.2018.10.090⟩

2018

Article dans une revue

Mechanisms of hot corrosion of pure nickel at 700°C: Influence of testing conditions

Benjamin Grégoire , Xabier Montero , Mathias Galetz , Gilles Bonnet , Fernando Pedraza

Corrosion Science, 2018, 141, pp.211-220. ⟨10.1016/j.corsci.2018.06.009⟩

2017

Article dans une revue

Oxidation performance of repaired aluminide coatings on austenitic steel substrates

Claire C. Boulesteix , Benjamin Grégoire , Fernando Pedraza

Surface and Coatings Technology, 2017, 326, pp.224-237. ⟨10.1016/j.surfcoat.2017.07.059⟩

Reactivity of Al-Cr microparticles for aluminizing purposes

B. Grégoire , Gilles Bonnet , F. Pedraza

Intermetallics, 2017, 81, pp.80 - 89. ⟨10.1016/j.intermet.2017.03.001⟩

2016

Article dans une revue

Influence of the oxide scale features on the electrochemical descaling and stripping of aluminide coatings

Y. Le Guével , B. Grégoire , B. Bouchaud , P. Bilhe , A. Pasquet , M. Thiercelin , F. Pedraza

Surface and Coatings Technology, 2016, 292, pp.1-10. ⟨10.1016/j.surfcoat.2016.03.019⟩