Conjunto de barras de combustible y método para mitigar la corrosión intensificada por radiaciones de un componente basado en zirconio

• Main Authors: White, David William, Patterson, Charles Beaty, Gray, Dennis Michael, Kim, Young Jin, Lin, Yang-Pi, Curtis, Todd Charles
• Format: Patent
• Language: Spanish
• Published: 19.07.2017
• Subjects: GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; NUCLEAR ENGINEERING; NUCLEAR PHYSICS; NUCLEAR REACTORS; PHYSICS; REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGYGENERATION, TRANSMISSION OR DISTRIBUTION; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS; TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINSTCLIMATE CHANGE

Un conjunto de barras de combustible, que comprende: un primer componente que comprende un material basado en zirconio un segundo componente que comprende un material diferente del material basado en zirconio del primer componente en contacto con o situado adyacentemente al primer componente; un revestimiento dispuesto sobre una superficie exterior del primer componente en donde el revestimiento es efectivo para reducir la diferencia de potencial de corrosión electroquímica entre el primer componente y el segundo componente en relación con la diferencia de potencial de corrosión electroquímica entre el primer componente y el segundo componente sin el revestimiento, caracterizado por que el revestimiento comprende un componente seleccionado entre el conjunto que se compone de NiCrAlY, NiCr, Cr2O3, FeCrAlY, FeCr y sus combinaciones. There is provided a fuel rod assembly comprising a first component of a zirconium-based material. The first component (30) is in contact with or is located adjacent to a second component of a material different from the zirconium-based material, e.g. a nickel-based or iron-based alloy. A coating (32) is disposed on an outer surface (34) of the first component (30), which is effective to reduce an electrochemical corrosion potential difference between the first component (30) and the second component relative to an electrochemical corrosion potential difference between the first component (30) and the second component without the coating (32).