Electrochemical Generation of Zn-Chitosan Composite Coating on Mild Steel and its Corrosion StudiesReport as inadecuate




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A Zinc-Chitosan composite coating was generated on mild steel from zinc sulphate-sodium chloride electrolyte by electrodeposition. The electrolyte constituents were optimized for good composite coating. The corrosion resistance behavior of the composite was examined by weight loss, polarization and impedance methods using 3.5 wt% NaCl neutral solution as medium. Separate polarization profiles were recorded for composite coating and compared with zinc coated sample. SEM images of coatings were recorded for the pure and composite coating.

KEYWORDS

Composite coating, Chitosan, SEM, Impedance, Electrodeposition

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K. Vathsala, T. Venkatesha, B. Praveen and K. Nayana -Electrochemical Generation of Zn-Chitosan Composite Coating on Mild Steel and its Corrosion Studies,- Engineering, Vol. 2 No. 8, 2010, pp. 580-584. doi: 10.4236-eng.2010.28074.





Author: Kanagalasara Vathsala, Thimmappa Venkatarangaiah Venkatesha, Beekanahalli Mokshanatha Praveen, Kudlur Onkarappa Nayana

Source: http://www.scirp.org/



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