Effect of nickel on the oxidation behavior of FeCrAl alloy in simulated PWR and BWR conditions
Haozheng J. Qu, Hamdy Abouelella, Atharva Chikhalikar, Rupesh Rajendran, Indranil Roy, Jonathan L. Priedeman, Rajnikant V. Umretiya, Andrew Hoffman, Janelle P. Wharry, Raúl B. Rebak
Abstract
FeCrAl alloys are being investigated as candidate materials for light water reactor fuel claddings. The chemical composition of FeCrAl determines its resistance to corrosion under normal operating conditions. The purpose of this paper is to investigate the effect of 0, 1, 3 wt% Ni addition on the passivation characteristics of Fe17Cr5.5Al in oxygenated and hydrogenated simulated reactor waters for 3-month immersion. Current results show that Ni addition improves the passivation of FeCrAl under oxygenated condition and decreases the mass loss under hydrogenated conditions.