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Academic literature on the topic 'Zircaloy (marque déposée)'
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Dissertations / Theses on the topic "Zircaloy (marque déposée)"
Doan, Dinh-Trung. "Comportement et rupture d'alliages de zirconium des crayons de combustible dans les centrales nucléaires en situation accidentelle de type RIA." Paris, ENMP, 2009. http://www.theses.fr/2009ENMP0022.
Full textRupa, Nathalie. "Effet de l'hydrogène et des hydrures sur le comportement viscoplastique du zircaloy-4 recristallisé." Compiègne, 2000. http://www.theses.fr/2000COMP1272.
Full textGrange, Marjolaine. "Fragilisation du Zircaloy-4 par l'hydrogène : comportement, mécanismes d'endommagement, interaction avec la couche d'oxyde, simulation numérique." Phd thesis, École Nationale Supérieure des Mines de Paris, 1998. http://tel.archives-ouvertes.fr/tel-00005648.
Full textRobinet, Pascal. "Étude expérimentale et modélisation du comportement viscoplastique anisotrope du zircaloy 4 dans deux états métallurgiques." Besançon, 1995. http://www.theses.fr/1995BESA2003.
Full textMulot, Sandrine. "Étude théorique et expérimentale du laminage à pas de pélerin de tubes en zircaloy 4." ENSMP, 1997. http://www.theses.fr/1997ENMP0782.
Full textThis study deals with the pilgering of Zircaloy 4 cladding tubes. During the last pilgering pass, surface defects may appear in a little quantity but of a great potential noctivity. In order to foresee this damage, a previous thesis was dedicated to the turning of mechanical model. Its major limits were : - the use of isotropic plasticity behaviour law although the material is highly textured and mechanically anisotropic. The mechanical model has been modified so that an anisotropic behaviour of a Hill quadratic type be accepted. The anistropy has been experimentally quantified over the upstream stages of the pilgering process line, throughout the six Hill parameters. An original method for measurement of shear parameters has been set up using the shearing of cylindrical bars coming from the tube wall. The Lebensohn and Tomé model was used to predict the mechanical properties over the whole process line ; - the difficulty to take account, using a predictive manner, the shear bucling within the radial-longitudinal tube plane, although its importance has been proved. This obstacle has been cancelled with the building of an upper boundary model. This model has been enhanced with the calculation of the mandrel horizontal stresses using the slab method. Along with theses developpments, a series of numerical simulations with 3D finite elements allowed a better understanding of this complex process of cold deformation. The information obtained from these simulations showed it was necessary to reconsider some of the hypothesis from the analytical model. We concentrated on the building showed to be the most questionable by the simulation
Schäffler, Isabelle. "Modélisation du comportement elasto-viscoplastique anisotrope des tubes de gaine du crayon combustible entre zéro et quatre cycles de fonctionnement en réacteur à eau pressurisée." Besançon, 1997. http://www.theses.fr/1997BESA2076.
Full textRobert-Berat, Laurence. "Influence d'une couche de zircone sur le comportement mécanique des tubes en zircaloy-4." Clermond-Ferrand 2, 2001. http://www.theses.fr/2001CLF2A001.
Full textBai, Jinbo. "Nocivité des hydrures dans le zircaloy-4." Châtenay-Malabry, Ecole centrale de Paris, 1991. http://www.theses.fr/1991ECAP0194.
Full textDeydier, Pascal. "Etude de l'oxydation en milieu aqueux à 360° C d'un alliage de zirconium (Zircaloy 4) traité par implantation ionique." Lyon 1, 1988. http://www.theses.fr/1988LYO10181.
Full textSerres, Aurélie. "Corrosion sous contrainte par l'iode du Zircaloy-4 : cinétiques de fissuration et influence de l'irradiation sur l'amorçage." Lyon, INSA, 2008. http://theses.insa-lyon.fr/publication/2008ISAL0001/these.pdf.
Full textThe context of this study ls the iodine-induced stress corrosion cracking (1-SCC) of Zircaloy-4. The first objective is to quantify the affect of the iodine content and of the stress intensity factor (KI) on the subcritical crack propagation rate. Our results indicate that the crack propagation rate is a linear function of KI and increases with the iodine content for a given KI. We finally propose a propagation law, improving by this way the 1-SCC description for modelling. The second objective is to study the effect of irradiation on 1-SCC, by means of tests made on proton-irradiated material. We establish th the dislocation loops microstructure, the hardness, and the deformation modes of proton·irradiated Zircaloy-4 are consistent with the one reported alter neutron irradiation. Besides, irradiation induces an increase of the 1-SCC susceptibility. The role of hardening, chanelling, and macroscopic Jocaiization of deformation are discussed