Effect of Dissolved ⁹⁰Sr and ¹³⁷Cs in HCl Solutions on the Corrosion Potential of Type 316L Stainless Steel

Abstract

In order to analyze the effect of beta particles in solution on the corrosion of Type 316L stainless steel, the effect of dissolved ⁹⁰Sr on the corrosion potential was investigated. ⁹⁰Sr standard solution and ¹³⁷Cs standard solution were dropped into HCl while the corrosion potential was measured in HCl. As a result, the potential increase in the solution with ⁹⁰Sr standard solution was larger than that in the solution with ¹³⁷Cs standard solution. The results were verified by calculations, which show that the difference in the rate of formation of H₂O₂ in solution due to water radiolysis causes a difference in the change in potential in both solutions.