Использование наночастиц диоксида циркония в качестве ингибитора коррозии

Abstract

The research is devoted to the effect of zirconium oxide nanoparticles on the protective effect of organic inhibitors (thiourea) when steel is corroded in various environments. The object of the study were steel brands U8A and 440S. A mixture of acid solutions (HNO3 and HCl) and 1M HCl were chosen as corrosive media. Based on the analysis of gravimetric method, it was found that nanoparticles increase the corrosion resistance of steel labels in 1M HCl, as well as in a mixture of acid solutions, while the inhibitor works more effectively for low-alloy steel. The preliminary heat treatment of samples with a protective layer deposited on their surface significantly increases the corrosion resistance.