Corrosion Protection Properties of Polyaniline–polypyrrole Composite Coatings on Al 2024

Authors: Shah, K.; Zhu, Y.; Iroh, J.O.; Popoola, O.

Source: Surface Engineering, Volume 17, Number 5, October 2001 , pp. 405-412(8)

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Abstract:

Polyaniline–polypyrrole composite coatings were deposited onto Al 2024 using an electrochemical process. The effect of incorporating inorganic fillers such as clay and yttria stabilised zirconia on the corrosion performance of the composite coating was studied. The coatings were analysed using infrared spectroscopy and scanning electron microscopy. The electrodeposition parameters such as feed monomer ratio, applied current density, and reaction time were systematically varied. Results showed that the composite coatings improved the corrosion resistance of the substrate.

Document Type: Regular Paper

DOI: http://dx.doi.org/10.1179/026708401101518097

Affiliations: The Department of Materials Science and Engineering, University of Cincinnati, Cincinnati, OH 45221–0012, USA. (jiroh@uceng.uc.edu)

Publication date: 2001-10-01

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