The corrosion of metals or alloys under solid NaCl deposit in wet oxygen (water vapor and oxygen) at medium temperature 4013-700℃ causes serious damage and has received considerable attention in recent years. Serie...The corrosion of metals or alloys under solid NaCl deposit in wet oxygen (water vapor and oxygen) at medium temperature 4013-700℃ causes serious damage and has received considerable attention in recent years. Series of mechanistic studies have revealed synergistic interactions between solid NaCl and water vapor, which accelerates the corrosion process. In addition, the overall corrosion process comprises both chemical reactions (oxidation) and electrochemical reactions and their mutual inter- actions depend on the system of interest. Interestingly, the wet oxygen environment was found to modify the reactions of the element Cr, which plays a useful role in corrosion protection in this special environment.展开更多
基金supported by the National Natural Science Fundation of China (Grant Nos. 50671113 and 50801063)
文摘The corrosion of metals or alloys under solid NaCl deposit in wet oxygen (water vapor and oxygen) at medium temperature 4013-700℃ causes serious damage and has received considerable attention in recent years. Series of mechanistic studies have revealed synergistic interactions between solid NaCl and water vapor, which accelerates the corrosion process. In addition, the overall corrosion process comprises both chemical reactions (oxidation) and electrochemical reactions and their mutual inter- actions depend on the system of interest. Interestingly, the wet oxygen environment was found to modify the reactions of the element Cr, which plays a useful role in corrosion protection in this special environment.