Abstract

In this paper, a two-dimensional cellular automata (CA) method is used to simulate the corrosion behavior of Fe–Cr–Ni alloy in NaCl–CaCl2 molten salt. Simulation results and experimental measurements show good agreement, revealing the detailed change and migration of components in the corrosion process of Fe–Cr–Ni alloy in molten chloride salt over time. The simulation revealed that the grain size, elemental composition of the alloy, and O2 and H2O contents in the molten salt are important factors that significantly affect the corrosivity of the NaCl–CaCl2 molten salt with respect to the Fe–Cr–Ni alloy. Additionally, the CA method shortens the period of experimental research and the progression of corrosion is predicted.

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