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; ; Mizuta, Shunji
JNC TN9400 2000-040, 41 Pages, 2000/03
The corrosion behavior of ferritic stainless steels applied to core components under C0 gas environment was investigated in order to be helpful to fuel design in C0 gas cooled reactor as the feasibility study for fast breeder reactor. The dependence of the corrosion behavior, before a breakaway occurs, on C0 gas temperature, Si and Cr contents of ferritic steels was determined quantitatively. The following correlations to calculate the metal loss thickness was established. X = 4.4w w = √(kt) k = exp( - 5.45[Si]) exp( - 1.09[Cr]) exp( - 11253/T) = 1.65 104.40 10 X : metal loss thickness[ml, w : corrosion weight gain [mg/cm] k : parabola constant [(mg/cm)/hr], t : time [hr], : constant [Si] : Si content[wt.%], [Cr] : Cr content [wt.%], T : temperature [K]