Hugues Vergnes

Oxidant ratio engineering of PEDOT films for transparent electrodes towards flexible printed Schottky diodes

Beatriz de Morais Batista, Miguel Franco, Truc-Mai Thi Nguyen, Jérôme Esvan et autres

Oxide scale evolution and its impact on the volatilization rate of a chromia-forming Ni-based superalloy: Experimental and transient CFD study

Guillaume Duthoit, Antonin Faye, Matteo Piazza, Jérôme Esvan et autres

The evolution with oxidation time of the chemical composition of the oxide scale of In625 was experimentally studied at 900 °C under an atmosphere of N 2 -14.7%O 2 -30%H 2 O (vol. %). As time goes by, the initial chromia scale …

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Computational Fluid Dynamics Simulation of Chromia Volatilization and Gas-Phase Evolution during Oxidation of Chromia-Forming Alloy: Cross-Linked Influence of Local Gas Velocity and Confined Geometries

Sharvan Kumar, Hugues Vergnes, Brigitte Caussat, Aurélie Vande Put

An experimentally validated and self-standing CFD (computational fluid dynamics) model was used to analyze chromia volatilization under high-velocity conditions close to industrial applications range, in wet air and pure O2 environment at 800 and 900 ℃. A rig of complex geometry with …

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Structural characteristics and thermal properties of gadolinium zirconate thin films processed by Direct Liquid Injection Chemical Vapor Deposition

Alexandre Jaud, Diane Samélor, Hugues Vergnes, Andrzej Kusiak et autres

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Influence of Water Vapor and Local Gas Velocity on the Oxidation Kinetics of In625 at 900 °C: Experimental Study and CFD Gas Phase Simulation

Guillaume Duthoit, Aurélie Vande Put, Brigitte Caussat, Hugues Vergnes et autres

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Influence of Water Vapor and Local Gas Velocity on the Oxidation Kinetics of In625 at 900 °C: Experimental Study and CFD Gas Phase Simulation

Guillaume Duthoit, Aurélie Vande Put, Brigitte Caussat, Hugues Vergnes et autres

Abstract The effect of water vapor content on the oxidation behavior of In625 at 900 °C in synthetic air was reported. The higher the water vapor content, the greater the oxidation and volatilization rates were. Increasing the water vapor content led to …

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Fluidized Bed Chemical Vapor Deposition of Copper on Micronic Alumina Powders

Ilyass Jellal, Hugues Vergnes, Brigitte Caussat

Abstract Uniformly coating micronic particles with metals is of main interest for a broad range of applications. This study demonstrates the feasibility of depositing pure copper on the surface of micronic alumina particles by the fluidized bed chemical vapor deposition process from …

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Comparative analysis of structural characteristics and thermal insulation properties of ZrO2 thin films deposited via chemical and physical vapor phase processes

Alexandre Jaud, Laura Montalban Palmares, Alice Ravaux, Abderrahime Sekkat et autres

INFLUENCE DE LA VAPEUR D'EAU SUR LE COMPORTEMENT EN OXYDATION DE L'INCONEL 625 A 900°C

Bruno Jacquart, David Bonina, Stephane Mathieu, Brigitte Caussat et autres

International audience

Silicon Oxynitride Coatings Are Very Promising for Inert and Durable Pharmaceutical Glass Vials

Konstantina Christina Topka, Babacar Diallo, Maxime Puyo, Erwan Chesneau et autres

High Resolution Image Download MS PowerPoint Slide Glass packaging of novel medicinal molecules is challenged by hydrolysis of the glass network from an interaction with the stored drug, likely to result in leaching of constituent elements of the glass into the solution. …

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Single-Step PEDOT Deposition by oCVD for ITO-Free Deep Blue OLEDs

Abderrahime Sekkat, Houssein El Housseiny, Eleni Poupaki, Benjamin Breig et autres

Organic light-emitting diodes (OLEDs) are emerging technologies for potential lighting and display applications. Transparent conductive electrodes (TCEs) play a crucial role in enabling the functionality and increased performance of these particular devices. Despite their widespread use, indium tin oxide (ITO) thin films …

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Dépôt de couches minces réfractaires et barrières d’oxydation sur tissu de microfibres de carbone

Elise des Ligneris, Diane Samélor, Hugues Vergnes, Abderrahime Sekkat et autres

International audience

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