Comparison of selected inhibitor doped sol–gel coating systems for protection of mild steel

SULEIMAN, R, KHALED, M, WANG, H., SMITH, T. J., GITTENS, J, AKID, R., MOHAMED EL ALI, B and KHALIL, A (2014). Comparison of selected inhibitor doped sol–gel coating systems for protection of mild steel. Corrosion engineering science and technology, 49 (3), 189-196.

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Link to published version:: 10.1179/1743278213Y.0000000113


Current legislation around the use of antifouling and anticorrosion coatings has increased the need to find an environment friendly alternative to existing biocide containing pretreatments for steel structures exposed to sea water. Sol–gel technology offers a solution to fouling and corrosion inhibition since sol–gel chemistry lends itself ideally to functionalisation with a variety of components, for example, corrosion inhibitors. In this study, we have utilised the above mentioned approach in order to produce an inhibitor doped sol–gel protective coating on mild steel. The corrosion protection performance of three inhibitors, i.e. SD (Shieldex303), MOLY (Moly-White101ED-PLUS) and ZAPP (Heucophos ZAPP), added individually to a sol–gel, and applied to mild steel Q panels, were evaluated using electrochemical impedance spectroscopy. The inhibitor containing coatings were shown to protect against corrosion of mild steel; the coatings containing the inhibitors Moly and ZAPP were the most effective of the systems tested.

Item Type: Article
Research Institute, Centre or Group: Materials and Engineering Research Institute > Structural Materials and Integrity Research Centre > Centre for Corrosion Technology
Identification Number: 10.1179/1743278213Y.0000000113
Depositing User: Heming Wang
Date Deposited: 11 Jun 2014 10:57
Last Modified: 22 Sep 2016 11:00

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