| People | Locations | Statistics |
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| Naji, M. |
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| Motta, Antonella |
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| Aletan, Dirar |
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| Mohamed, Tarek |
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| Ertürk, Emre |
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| Taccardi, Nicola |
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| Kononenko, Denys |
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| Petrov, R. H. | Madrid |
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| Alshaaer, Mazen | Brussels |
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| Bih, L. |
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| Casati, R. |
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| Muller, Hermance |
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| Kočí, Jan | Prague |
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| Šuljagić, Marija |
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| Kalteremidou, Kalliopi-Artemi | Brussels |
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| Azam, Siraj |
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| Ospanova, Alyiya |
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| Blanpain, Bart |
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| Ali, M. A. |
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| Popa, V. |
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| Rančić, M. |
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| Ollier, Nadège |
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| Azevedo, Nuno Monteiro |
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| Landes, Michael |
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| Rignanese, Gian-Marco |
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Caussé, Nicolas
University of Toulouse
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (28/28 displayed)
- 2024Analysis of a film-forming amine response in impedance spectracitations
- 2024Adsorption kinetics and inhibition mechanisms of a film-forming amine on carbon steel surfacescitations
- 2024A comparative study of lithium salts for the corrosion inhibition of 2024 aluminium alloy
- 2023Ageing processes of coil-coated materials: Temperature-controlled electrochemical impedance analysiscitations
- 2023Ageing processes of coil-coated materials: Temperature-controlled electrochemical impedance analysiscitations
- 2023Film-forming amines adsorption and corrosion kinetics on carbon steel surface in neutral solution investigated by EIS and PM-IRRAS analysiscitations
- 2023Single-Step PEDOT deposition by oxidative chemical vapor deposition for opto-electronic applications
- 2023Single-Step PEDOT Deposition by oCVD for ITO-Free Deep Blue OLEDscitations
- 2023Single-Step PEDOT Deposition by oCVD for ITO-Free Deep Blue OLEDscitations
- 2021Liquid antimony pentachloride as oxidant for robust oxidative chemical vapor deposition of Poly(3,4-ethylenedioxythiophene) filmscitations
- 2021Partially acrylated linseed oil UV-cured coating containing a dihemiacetal ester for the corrosion protection of an aluminium alloycitations
- 2021Impedance analysis of the barrier effect of coil-coated materials: Water uptake and glass transition variationscitations
- 2021In situ study of the temperature activated kinetics of water sorption in an epoxy varnishcitations
- 2020An out of the box vision over oxidative chemical vapor deposition of PEDOT involving sublimed iron trichloridecitations
- 2020Correlation between the physical structure of a commercially formulated epoxy paint and its electrochemical impedance responsecitations
- 2020Film-Forming Amines for the Corrosion Protection of Carbon Steels in Nuclear Power Plant Secondary Circuit Conditions: An Impedance Studycitations
- 2019Synthesis of new high molecular weight phosphorylated chitosans for improving corrosion protectioncitations
- 2019Thermal activation of impedance measurements on an epoxy coating for the corrosion protection: 2. electrochemical impedance spectroscopy studycitations
- 2019Thermal activation of impedance measurements on an epoxy coating for the corrosion protection: 1. Dielectric spectroscopy response in the dry statecitations
- 2019New bio-based phosphorylated chitosan/alginate protective coatings on aluminum alloy obtained by the LbL techniquecitations
- 20198-hydroxyquinoline-modified clay incorporated in an epoxy coating for the corrosion protection of carbon steelcitations
- 2019Corrosion rate determination of rare-earth Mg alloys in a Na2SO4 solution by electrochemical measurements and inductive coupled plasma-optical emission spectroscopycitations
- 2018Impedance analysis of film-forming amines for the corrosion protection of a carbon steelcitations
- 2017Determination of water uptake in organic coatings deposited on 2024 aluminium alloy: Comparison between impedance measurements and gravimetrycitations
- 2017Adaptation of a dry metalorganic chemical vapor deposition (MOCVD) metallization process to a wet chemical pretreatment of polymerscitations
- 2016Morphology and dynamical mechanical properties of poly ether ketone ketone (PEKK) with meta phenyl linkscitations
- 2016Morphology and dynamical mechanical properties of poly ether ketone ketone (PEKK) with meta phenyl linkscitations
- 2013New bonded assembly configuration for dynamic mechanical analysis of adhesivescitations
Places of action
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article
Ageing processes of coil-coated materials: Temperature-controlled electrochemical impedance analysis
Abstract
In the present work, an industrial polyester coil-coated steel was characterized by electrochemical impedance spectroscopy (EIS) during immersion in a 0.5 M NaCl solution for different temperatures (30, 40, 50 and 60 °C). The objective was to propose a methodology to follow the ageing of the coil-coated system, from the first stage of water uptake until the blistering appearance. Relevant parameters were extracted from the EIS diagrams to analyse ageing processes of the polymer and of the metal/polymer interface. Water uptake was determined from the high-frequency part of the impedance diagrams using a linear rule of mixtures. By increasing the temperature, both the water uptake kinetics and the water content in the coating increased. The effect of water uptake on the physical structure of the coating (plasticization) was discussed through the analysis of a time constant corresponding to the dielectric manifestation of the polymer glass transition. At 40, 50 and 60 °C, appearance of corrosion was detected on the impedance spectra by a decrease, at low frequency, of the impedance modulus and of the phase angle. For 60 °C, the corroded surface area as a function of time, was assessed from the EIS data analysis with adapted equivalent circuits. The corroded surface areas followed similar trend as blister surface areas determined from images analysis.