Microstructure and Mechanical Properties of the Fuel Cladding in VVER-1000 after the Thermal Tests That Model Dry Storage Conditions

G. P. Kobylyansky; A. V. Obukhov; A. O. Mazaev; E. A. Zvir; P. A. Ilyin; D. E. Markelov

doi:10.1134/S0036029519040190

Microstructure and Mechanical Properties of the Fuel Cladding in VVER-1000 after the Thermal Tests That Model Dry Storage Conditions

Autores: Kobylyansky G.¹, Obukhov A.¹, Mazaev A.¹, Zvir E.¹, Ilyin P.¹, Markelov D.¹
Afiliações:
1. JSC “SSC RIAR”
Edição: Volume 2019, Nº 4 (2019)
Páginas: 421-426
Seção: Applied Problems of Strength and Plasticity
URL: https://journals.rcsi.science/0036-0295/article/view/173197
DOI: https://doi.org/10.1134/S0036029519040190
ID: 173197

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The mechanical properties, the dislocation structure, and the morphology of phase precipitates in the E110 alloy fuel claddings worked in the fuel assemblies of a VVER-1000 reactor to a fuel burn-out of 20 and 70 (MW day)/kgU are studied. The influence of the thermal conditions that model the fuel element dry storage conditions on the annealing of radiation defects and the recovery of the mechanical properties of the claddings is analyzed.