CORROSION PROTECTION OF CARBON STEEL IN SEAWATER BY ALUMINA NANOPARTICLES WITH POLY(ACRYLIC ACID) AS CHARGING AGENT

Haider Abdulkareem Yousif Almashhdani, Khulood Abid Al-Saadie

Abstract


Nanostructured Al2O3 in 60-80 nm diameter has been deposited on carbon steel substrates, by cathodic electrophoretic deposition (EPD), in ethanol with  poly(acrylic acid) (PAA) as charging agent, as a protective coating against corrosion for carbon steel (C.S.) in seawater environment. Potentiodynamic polarization measurements performed on the Al2O3 coated carbon steel coated by Al2O3in 3.5 % NaCl at temperature range 298-328 K and the result showed that using PAA charging agent lead to increase the corrosion resistance.


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DOI: http://dx.doi.org/10.17628/ecb.2016.5.308-313

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