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The experiments on electron irradiation of yttrium-stabilized zirconium oxide samples show the formation of strong elastic fields near interstitial dislocation loops. The fields increase with an increase in the loop radius and, when the loop radius reaches a certain critical value, the loops became unstable due to the beginning of plastic deformation and the formation of a dislocation network.  1, fiche 1, Anglais, - interstitial%20dislocation%20loop

Fiche 1,  Justifications,  Français

Record number: 1, Textual support number: 1 CONT

Durcissement et fragilisation intragranulaire sous irradiation des aciers austénitiques [...] Selon la température d'irradiation, les obstacles microstructuraux intragranulaires suivants sont observés [...] boucles de dislocations interstitielles, fautées, sessiles.  1, fiche 1, Français, - boucle%20de%20dislocation%20interstitielle

Fiche 1,  Justifications,  Espagnol

Fiche 2,  Justifications,  Anglais

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Irradiation-Induced Stress Corrosion Cracking of Austenitic Stainless Steels. In recent years, failures of reactor internal components have been observed after the components have reached neutron fluence levels... The general pattern of the observed failures indicates that as nuclear plants age and fluence increases, various apparently nonsensitized austenitic stainless steels become susceptible to intergranular failure... Irradiation produces defects and defect clusters in grain matrices and alters the dislocation network, dislocation loop, and dislocation channel structures, leading to radiation-induced hardening. Irradiation also leads to changes in the stability of second-phase precipitates and the local chemistry near grain boundaries, precipitates, and defect clusters.  2, fiche 2, Anglais, - irradiation%2Dassisted%20stress%20corrosion

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Principaux modes de dégradation sous irradiation [...] Les modifications [...] créées sous irradiation peuvent entraîner des conséquences à l'échelle du composant : altérations dimensionnelles (gonflement, croissance, fluage...), évolution des caractéristiques mécaniques (notamment durcissement et fragilisation), sensibilisation accrue au milieu chimique (corrosion sous contrainte assistée par l'irradiation) [...] L'effet simultané de ces modifications peut dans certains cas conduire à des synergies très néfastes (par exemple dans le cas des interactions pastille de combustible-gaine ou absorbant-gaine).  1, fiche 2, Français, - corrosion%20sous%20contrainte%20assist%C3%A9e%20par%20l%27irradiation

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Fiche 3,  Justifications,  Anglais

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The CALLISTO facility(CApabiLity for Light water Irradiation in Steady state and Transient Operation) is a specialized high-pressure water loop offering a comprehensive range of experimental conditions representative of PWR power reactors.  1, fiche 3, Anglais, - CApabiLity%20for%20Light%20water%20Irradiation%20in%20Steady%20state%20and%20Transient%20Operation

Fiche 3,  Justifications,  Français

Fiche 3,  Justifications,  Espagnol

Fiche 4,  Justifications,  Français

Fiche 4,  Justifications,  Espagnol