G - Physics – 01 – N
Patent
G - Physics
01
N
G01N 1/28 (2006.01) G01N 17/00 (2006.01) G21C 17/06 (2006.01)
Patent
CA 2672768
The invention provides a method by means of which a fuel rod cladding tube (4) can be treated or prepared such that the influence of iron oxide deposits on the surface thereof can be studied and analyzed as safely as possible, and at the same time precisely, under near-operational conditions. For this purpose, the invention provides that the fuel rod cladding tube (4) is coated at least partially with an iron oxide layer (6) by means of immersing the same in an aqueous electrolyte medium (8) comprising iron oxide particles, wherein the iron oxide particles are produced by means of anodic oxidation of a ferrous working electrode (10).
L'invention vise un procédé permettant de traiter ou de préparer un tube d'enrobage (4) de crayon de combustible de façon à pouvoir étudier et évaluer à la fois avec le moins de risques possible et avec précision, dans des conditions proches de la pratique, l'influence de dépôts d'oxyde de fer sur sa surface. A cet effet, le tube d'enrobage (4) de crayon de combustible est, par immersion dans un agent électrolytique aqueux (8) contenant des particules d'oxyde de fer, revêtu au moins partiellement d'une couche (6) d'oxyde de fer, sachant que les particules d'oxyde de fer sont produites par oxydation anodique d'une électrode de travail (10) contenant du fer.
Areva Np Gmbh
Fetherstonhaugh & Co.
LandOfFree
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