Metallic fuel has been considered for sodium-cooled fast reactors because it can maximize the uranium resources. It generates rare earth elements as fission products, where it is reported by aggravating the fuelecladding chemical interaction at the operating temperature. Rare earth elements form a multicomponent alloy (CeeNdePreLaeSmeetc.) during reactor operation, where it shows a higher reaction thickness than a single element. | Correlation between rare earth elements in the chemical interactions of HT9 cladding
