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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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Rouillard, Fabien
CEA Saclay
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (32/32 displayed)
- 2024Improved Oxidation Resistance And Cr Retention Of Coated AISI441 For SOC Application
- 2024Anodic dissolution model with diffusion-migration transport for simulating localized corrosioncitations
- 2023High Temperature performances of coated and non-coated ferritic stainless steel interconnects for Solid Oxide Electrolyzer Cell application
- 2021Microstructural and Chemical Changes of a Ti-Stabilized Austenitic Stainless Steel After Exposure to Liquid Sodium at Temperatures Between 500 °C and 650 °Ccitations
- 2021Determination of residual stress gradient in a Ti-stabilized austenitic stainless steel cladding candidate after carburization in liquid sodium at 500 °C and 600 °Ccitations
- 2021Carburization and Stress Profiles Characterized by High-Energy X-ray Diffraction in 316L Austenitic Stainless Steel After Exposure at 500 °C and 600 °C in Carburizing Liquid Sodiumcitations
- 2021Carburization and Stress Profiles Characterized by High-Energy X-ray Diffraction in 316L Austenitic Stainless Steel After Exposure at 500 °C and 600 °C in Carburizing Liquid Sodiumcitations
- 2020Intermetallic formation of Al-Fe and Al-Ni phases by ultrafast slurry aluminization (flash aluminizing)citations
- 2019Carburization of austenitic and ferritic stainless steels in liquid sodium: Comparison between experimental observations and simulationscitations
- 2019Evaluation of cobalt free coatings as hardfacing material candidates in sodium-cooled fast reactor and effect of oxygen in sodium on the tribological behaviourcitations
- 2019Chemical Interaction of Austenitic and Ferritic Steels with B4C Powder in Liquid Sodium at 600°Ccitations
- 2019Stable isotopes used in the definition of corrosion mechanisms
- 2018Corrosion behaviour of Fe-9Cr steels in O$_2$ and CO$_2$ containing media thick or thin oxide scale ?
- 2018Single event experiment : a powerful approach for studying passivity breakdown pitting corrosion
- 2018An overview of corrosion issues in supercritical fluids
- 2017Carburization of austenitic and ferritic steels in carbon-saturated sodium: preliminary results on the diffusion coefficient of carbon at 873 Kcitations
- 2017Overview on corrosion in supercritical fluidscitations
- 2017Single Crystal and Sintered Alumina Corrosion in Liquid Sodiumcitations
- 2017Study On Cobalt Free Hardfacing Materials For Wear Resistance In Sodium Fast Reactors
- 2017Evaluation of the Compatibility of Aluminide Coatings in High-Temperature Sodium for Fast Reactor Applicationcitations
- 2016On the propagation of open and covered pit in 316L stainless steel.citations
- 2016Etude du mécanisme de carburation d'aciers austénitique et ferritique en milieu sodium/JECH 2016
- 2015Initiation and propagation of a single pit on stainless steel using a local probe techniquecitations
- 2015Analyse d'une piqûre unique se propageant dans un acier inoxydable
- 2015Investigation of a single pit generated with a flow microcell
- 2013Oxidation and crystallographic features of the new prototype structure Ti4NiSi4citations
- 2013Selective Oxidation of Chromium by O-2 Impurities in CO2 During Initial Stages of Oxidationcitations
- 2012A flow microdevice for studying the initiation and propagation of a single pitcitations
- 2011Single pit initiation on 316L austenitic stainless steel using scanning electrochemical microscopycitations
- 2007Mechanisms of oxide layer formation and destruction on a chromia former nickel base alloy in HTR environment
- 2007High temperature corrosion of a nickel base alloy by helium impuritiescitations
- 2007Corrosion behaviour of a high strength nickel base alloy in Gas Cooled Reactors (GCR)
Places of action
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conferencepaper
An overview of corrosion issues in supercritical fluids
Abstract
Supercritical fluids have wide fields of applications. Whatever is the supercritical fluid, the performance of structural materials used in process apparatus is a key issue for industrial applications. An overview is carried out on the corrosion behavior of metallic metals and alloys under pressure and temperature conditions appropriate for supercritical fluids. Steels, including stainless steels, and nickel base alloys are the main alloys investigated in supercritical environments. High general corrosion rates are reported together with localized corrosion phenomena (pitting, cracks).In supercritical water (SCW), the review highlights how SCW density changes the corrosion mechanisms with a gas-like process (oxidation) at low densities (below around 100 kg.m-3) and a liquid-like phenomenon (electrochemical process) at higher densities. Beside the density, temperature and impurities play key roles. SCW with its high oxidizing power and its large solvent capabilities is promised to a strong development if corrosion issues, even with high quality alloys, are solved.In other supercritical fluids (SCF) like supercritical CO2, methane, ethane, authors observed in general that no corrosion occurs in pure SCF but the water content is a key parameter regarding metals and alloys behavior. In particular, the presence of a liquid water phase leads not only to an increase of the general corrosion but also to localize attacks including significant pitting or cracks. Measurement and modeling of the solubility of water in SCF is needed to prevent corrosion caused by moisture condensation and to determine the dosage of chemical inhibitors. Temperature and pollutants are the two other major factors leading to increase corrosion rates.Several protection strategies have been implemented. They include the selection of materials as function of the temperature and the use of inhibitors as function of the impurities (species and concentrations).Several corrosion models have been developed for steels and are discussed and compared.