Protection of HDG Steel Using ORMOSIL Coatings Enhanced with CeO2(5-ATDT)-Ceramic Nanocontainers

George Kordas

Abstract

First, we studied the anticorrosion efficiency of the corrosiveness inhibitors CeO₂, 5-amino-1,3,4-thiadiazole- 2-thiol (5-ATDT), Ce(NH₄)₂(NO₃)₆ in hot-dip galvanized zinc (HDG) steel. The best protection is shown by the compound Ce(NH₄)₂(NO₃)₆ among the three. Second, CeO₂ ceramic nanocontainers were prepared, which were loaded with 5-ATDT. Third, organically modified silica (ORMOSIL) coatings were produced on hot-dip galvanized zinc (HDG) steel, which was reinforced with CeO₂(5-ATDT) nanocontainers. Finally, the anticorrosion protection of these composites was studied using the Frequency Response Analysis (FRA) method, and it was established to reinforce ORMOSIL with CeO₂(5-ATDT); inducing the phenomenon of “self-healing”.

Keywords

References

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DOI: 10.14416/j.asep.2022.10.002

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