Anticorrosion performances of modified polymeric coatings on E32 naval steel

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In a new study, the anticorrosion performance of various modified polymer coatings on E32 marine steels in seawater was investigated and compared.

The novelty of a recently published research consists in the comparative assessment of the corrosion resistance of four types of surfaces: E32 low alloy steel without protective coating, E32 coated with polymeric primer, E32 coated with polymeric primer over which epoxy paint was added and E32 steel coated with polymeric primer mixed with TiO2nanoparticles. All samples were subjected to corrosion in seawater collected from the Black Sea, Năvodari oil terminal.

Significant improvement of anticorrosive performances of E32 steel

The corrosion properties have been studied by electrochemical methods (evolution in time of the open-circuit potential, polarisation curves and electrochemical impedance spectroscopy). The purpose is to improve the protection capabilities of polymeric coatings by adding dispersed inert ceramic nanoparticles as titanium oxide with an average diameter of 200 nm. The results of the electrochemical tests indicate that the nanoparticles of TiO2 mixed in polymeric primer as a nanocomposite coating have significantly improved the anticorrosive performances of E32 steel compared to the E32 steel coated with pure polymeric primer.

Continue at: https://www.european-coatings.com/Raw-materials-technologies/Applications/Anticorrosion-performances-of-modified-polymeric-coatings-on-E32-naval-steel/(cpg)/LA0093?cpg=LA0093&utm_source=newsletter&utm_medium=email&utm_campaign=EC-NL-2018-11-16_&utm_content=Anticorrosion-performances-of-modified-polymeric-coatings-on-E32-naval-steel&uid=678731

 

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