الفهرس 
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Abstract
The objective of the present work is to prepare a cost effective, high performance polymeric nanofiber coating to decrease corrosion resistance of aluminum in 0.1 M hydrochloric acid solution. Cerium oxide nanoparticles embedded in-situ in polyvinyl chloride and poly vinyl alcohol nanofiber coat was prepared using electrospinning technique. The corrosion resistance of aluminum before and after addition of polymeric coat was investigated using cyclic potentiodynamic polarization (CPP) and electrochemical impedance spectroscopy (EIS) measurements. The morphologies of the nanofiber coatings are characterized using scanning electron microscopy (SEM) and mean diameter of ceria was examined using TEM analysis. The results shows that the values of Tafel slopes (a and c) change with the increasing ceria concentration in Polymer NFS, indicating the polymeric matrix coat affects the kinetics of both the Cathodic and anodic reactions. The change in corrosion potential in Ecorr is less than 85 mV which indicates that polymeric coat is a mixed type inhibitor. The addition of ceria within polymer decrease both icorr and corrosion rate which indicates that inhibition efficiency increases with increasing concentration of ceria NPS in PVC NFs. The value of charge transfer resistance increase with increasing concentration of ceria NPS in Polymeric coat which indicates that corrosion resistance increases after addition of ceria NPS. All measurements were in good agreement and confirmed that the deposited Polymeric coatings can to a great extent protect the aluminum against corrosion in 0.1 M HCL solution.