Academic literature on the topic 'Mécanisme corrosion'
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Journal articles on the topic "Mécanisme corrosion"
Magnin, T. "Corrosion sous contrainte de l’alliage 600 : proposition d’un mécanisme." Revue de Métallurgie 90, no. 9 (September 1993): 1164. http://dx.doi.org/10.1051/metal/199390091164.
Full textMagnin, T., and J. Stolarz. "Mécanismes d'endommagement en fatigue-corrosion." Le Journal de Physique IV 08, PR4 (June 1998): Pr4–105—Pr4–114. http://dx.doi.org/10.1051/jp4:1998412.
Full textTurcry, Philippe, Stéphanie Bonnet, and Gilles Pijaudier-Cabot. "Comportement mécanique de poutres attaquées par la corrosion." Revue Européenne de Génie Civil 11, no. 1-2 (January 2007): 195–211. http://dx.doi.org/10.1080/17747120.2007.9692928.
Full textCassagne, T., A. F. Gourgues, and A. Gelpi. "Corrosion sous contrainte de l’alliage 600 : les mécanismes en question." Revue de Métallurgie 90, no. 9 (September 1993): 1165. http://dx.doi.org/10.1051/metal/199390091165.
Full textSimon, D., SU Phu, and C. Perrin. "Corrosion du nickel due à la pollution atmosphérique. Caractérisation des produits formés et mécanismes de la corrosion." Journal de Chimie Physique 92 (1995): 1179–94. http://dx.doi.org/10.1051/jcp/1995921179.
Full textRefait, P., S. Pineau, R. Sabot, H. Antony, and M. Jeannin. "Mécanismes de la corrosion des aciers au carbone en zone de marnage." Matériaux & Techniques 101, no. 5-6 (2013): 501. http://dx.doi.org/10.1051/mattech/2013084.
Full textMorbioli, R., P. Steinmetz, and C. Duret. "Mécanismes de corrosion à chaud de revêtements d'aluminiures type NiAl en conditions aéronautiques." Materials Science and Engineering 87 (March 1987): 337–44. http://dx.doi.org/10.1016/0025-5416(87)90396-x.
Full textVignal, Vincent, Christophe Valot, and Roland Oltra. "Nouvelles approches locales dans l'étude de l'interaction entre mécanique et corrosion localisée." Annales de Chimie Science des Matériaux 29, no. 3 (May 31, 2004): 1–8. http://dx.doi.org/10.3166/acsm.29.3.1-8.
Full textChevalier, B., and J. J. Rameau. "Corrosion sous contrainte mécanique du Zircaloy-4 en milieu iodures alcalins fondus." Materials Science and Engineering: A 120-121 (December 1989): 627–32. http://dx.doi.org/10.1016/0921-5093(89)90825-3.
Full textTouzet, Marie, Isabelle Aubert, Franck Le Poulain, Monique Puiggali, and Paul Lipinski. "Fissuration multiple par corrosion sous contrainte : Modélisation du comportement mécanique par une méthode d'homogénéisation." Comptes Rendus de l'Académie des Sciences - Series IIB - Mechanics 329, no. 11 (November 2001): 823–28. http://dx.doi.org/10.1016/s1620-7742(01)01406-4.
Full textDissertations / Theses on the topic "Mécanisme corrosion"
Achour, Mickaël. "Mécanisme de corrosion du fer par UF₆ liquide à 80°C." Thesis, Université Paris-Saclay (ComUE), 2018. http://www.theses.fr/2018SACLS064.
Full textThe nuclear fuel used in today’s power plants requires a precise uranium isotope composition which is different from natural uranium. Thus, an enrichment process is required, for which gaseous centrifugation is employed using uranium hexafluoride (UF₆). This compound is obtained by fluorination of UF₄ and its handling is submitted to security issues. This compound is highly reactive, in gaseous or liquid state, and the metallic industrial production setup is corroded, leading to solid residues at process temperatures. This corrosion has to be considered in order to predict both the process efficiency (purity, output) and the resulting industrial issues (setup lifetime, corking). This study aims at understanding liquid uranium hexafluoride corrosion at 80°C, which remains unstudied to this day. A dedicated novel test setup along with adapted analysis precautions have been developed in order to perform reliable experiments and corrosion products identification, since those products and UF₆ are moisture sensitive. This study mostly focused on the corrosion of iron as a model material in liquid UF₆. The experimental results obtained, allowed us to follow the evolution of the structure and the nature of the corrosion layer. Two different kinds of layer have been observed and the experimental origin of this divergence is discussed. With those experimental results, a corrosion mechanism is suggested for the corrosion of iron in liquid uranium hexafluoride at 80°C
Olowe, A. Abiodun. "Corrosion aqueuse du fer en milieux sulfates : Mécanisme, cinétique et structures." Nancy 1, 1988. http://www.theses.fr/1988NAN10297.
Full textRolland, Calixte. "Microsonde de corrosion humide : conception, réalisation et application à la corrosion de carrosseries automobiles." Paris 6, 2006. http://www.theses.fr/2006PA066081.
Full textDutilleul, Olivier. "Mécanisme de corrosion des verres P2O5-Na2O-CaO-M2O3 (M:Fe3+, Al3+) amorphes et dévitrifiés." Compiègne, 1992. http://www.theses.fr/1992COMPD491.
Full textYoo, Jaedong. "Effet des produits de corrosion à base de zinc sur le mécanisme de réactivité d'acier galvanisé." Paris 6, 2012. http://www.theses.fr/2012PA066630.
Full textThis project tries to elucidate the effect of zinc based corrosion products like simonkolleite (ZHC), sodium zinc carbonate (SZC), hydrozincite (HZ) and zinc hydroxysulfate (ZHS) on the corrosion of electrogalvanized steel. Targeted products obtained from electrogalvanized steel by electrodissolution (complete or partial) of zinc layer and controlled precipitation were characterized by scanning electronic microscopy and X-ray diffraction. And, their effects on electrochemical behavior of steel and zinc were tested. Under cathodic polarization in 5 wt. % NaCl at pH = 7 and 9, the oxygen reduction current jO2 on steel covered by corrosion products decreases: jO2 (without) jO2(HZ) >> jO2(ZHS) > jO2(ZHC) > jO2(SZC). HZ and SZC also inhibit zinc anodic dissolution whereas ZHC and ZHS don’t. The inhibition was also observed during the galvanic coupling Fe/products//Zn. Nevertheless, the behavior of the system evolves as a function of pH and of electrolyte nature, in particular, a polarity reversal between steel and zinc took place in 1 M NaHCO3 and even at ambient temperature. The galvanic coupling in presence of corrosion products in a thin layer cell specially designed for this study shows that the rapid increase of pH in a confined zone can lead to the instability of corrosion products and to the similar behavior of different systems at long term exposure. The considerations on microstructure, hydrophilic properties and surface charge were used to understand the effects observed on cathodic and anodic reactions
Faiz, Hadri. "Étude du mécanisme de corrosion atmosphérique à long terme des aciers : nouvelles stratégies de protection des aciers du patrimoine culturel." Thesis, Université de Lorraine, 2012. http://www.theses.fr/2012LORR0314/document.
Full textThe present report relates to the understanding of long term atmospheric corrosion mechanisms of low alloy steels which are necessary for various applications such as the interim storage of nuclear waste, and the conservation of cultural heritage artefacts. At a first stage, it may be necessary to characterize ancient corrosion system in order to identify the reactive phases in the rust layers, their localisation and their role in the mechanism. In that purpose, the work on objects reference archaeological sites (analogues) can help to take sample of studies. At a second stage, the electrochemical behaviour and their reactive of the phases constitutive of the corrosion layer must be determined precisely. In that field, it is necessary to combine the study of the pure phases and the powders taken on the analogues. The localisation of oxygen reduction sites in the rust layer is a very pertinent tool. To that end, specific experiments have been set up to re-corrode the ancient samples in marked medium (using 18O2), were investigated by nuclear reaction analysis. Finally, the identification of these newly-formed phases give precious information to develop new methods of inhibition of long term corrosion. It concerns only the heritage
Pardessus, Laurence. "Contribution à l'étude du mécanisme de corrosion du cupronickel en milieu chlorure de sodium à 3%." Aix-Marseille 1, 1986. http://www.theses.fr/1986AIX11005.
Full textChamerois, Manuel. "Interactions entre trisiloxanes fonctionnalisés et surfaces minérales : applications à l'hydrofugation." Vandoeuvre-les-Nancy, INPL, 2000. http://docnum.univ-lorraine.fr/public/INPL_T_2000_CHAMEROIS_M.pdf.
Full textSurface modification of mineral substances with adsorbed organic layers can be used to prevent the weathering of facades. To enhance interactions between the silicone formulations and surfaces, anchorage functions can be inserted in the polydimethylsiloxane (PDMS) network. This study deals with the abstraction of functionalized PDMS fragments (trisiloxane compounds), from cyc1ohexane, onto minerals typical of most surface materials used for building facades: a silica, a carbonate, a pyrophyllite and cement hydrates. The anchorage functions studied are derived from piperidine (secondary and ternary amine) or succinic acid (anhydride and diacid). The adsorption of piperidinic compounds is strongly dependent on hydrogen bonds formed between the superficial hydroxyl groups and the amine groups. In the case of succinic compounds, adsorption takes place mainly through carboxylate functions. Focussing on the various spectroscopic signatures of stretching vibrations of the carbonyl bonds of the carboxylic functions (anhydride, diacid, dissociated diacid), phenomena in both the liquid phase and on the solid surfaces can be approached precisely. The last part of this thesis examines the evolution of the superficial properties of calcium carbonate powders coated with increasing amounts of anhydride molecules. Using high resolution nitrogen and argon adsorption, it is possible to visualize the progressive coverage of the surface by water repellent molecules. Water adsorption isotherms reveal that the hydrophobicity of solids does not prevent the adsorption of water molecules but that the structure of adsorbed water layers is strongly perturbated when compared to liquid water or to water adsorbed on the untreated mineral surface
Luc, Emilie. "Mécanisme d'initiation du collage lors du laminage à chaud des aciers inoxydables ferritiques stabilisés." Thesis, Valenciennes, 2013. http://www.theses.fr/2013VALE0041/document.
Full textHot rolling of stainless steel is one of the most important steps in manufacturing process regarding surface quality of the product. Stabilised ferritic stainless steels are widely used in automotive and cosmetic appliances but are also concerned by sticking phenomenon. These grades, having high dry corrosion and creep resistance, are enriched in specific chemical elements such as Cr, Nb or Ti, limiting also slab oxidation during hot rolling. Nevertheless, the mastered oxidation of slab surface is a way to protect metal surface from direct contact with rolls.In order to better understand initiation of sticking, a first campaign was based on topography and rolls surface state wear analysis. This study revealed that sticking initiation is not due to the presence of roll scratches which depth is higher than oxide layer thickness. Indeed, the probability that roll scratches are deeper than oxide layer thickness is very low.In a second time, a pilot was designed, reproducing tribological conditions of a roll bite, to better understand mechanisms that initiate sticking. Keeping in mind the importance of rolls and slab surface state, this pilot is able to use specimen taking from industrial products, having the original oxide layer surface. This second study highlighted the major role of silicium oxides on scale adherence and the high heterogeneity of this scale layer in thickness and in chemical composition
Nobel, Pujol-Lesueur Véronique. "Etude du mécanisme d'action du monofluorophosphate de sodium comme inhibiteur de la corrosion des armatures metalliques dans le beton." Paris 6, 2004. http://www.theses.fr/2004PA066251.
Full textBooks on the topic "Mécanisme corrosion"
Sarrazin, Pierre. Les Mécanismes de la corrosion sèche (Une approche cinétique). Les Ulis: EDP Sciences, 2000.
Find full textʹois, Dominique Franc. Endommagements et rupture de mate riaux. Les Ulis, France: EDP Sciences, 2004.
Find full textBook chapters on the topic "Mécanisme corrosion"
"Annexe C : Mécanismes d’endommagement et probabilité d’occurrence." In Monitoring de la corrosion interne dans les industries pétrolières et gazières, 55–64. EDP Sciences, 2020. http://dx.doi.org/10.1051/978-2-7598-1990-4-012.
Full text"Annexe C : Mécanismes d’endommagement et probabilité d’occurrence." In Monitoring de la corrosion interne dans les industries pétrolières et gazières, 55–64. EDP Sciences, 2020. http://dx.doi.org/10.1051/978-2-7598-1990-4.c012.
Full textConference papers on the topic "Mécanisme corrosion"
Oltra, R., and B. Vuillemin. "Électrochimie et corrosion à l'échelle des microstructures." In PlastOx 2007 - Mécanismes et Mécanique des Interactions Plasticité - Environnement. Les Ulis, France: EDP Sciences, 2009. http://dx.doi.org/10.1051/ptox/2009014.
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