Abstract
The effect of steel surface treatment by an eco-friendly praseodymium (Pr) oxide nanofilm on the corrosion protection properties and cathodic delamination of a fusion-bonded epoxy coating (FBE) was studied. The results of AFM, FE-SEM and contact angle tests revealed that a crack free praseodymium oxide nanofilm uniformly covered the steel surface. Results of EIS and salt spray tests revealed that the steel surface treatment by Pr film significantly enhanced the FBE coating corrosion protection performance. Results of cathodic delamination test showed significant decrease in the FBE cathodic delamination rate. Results of pull-off test revealed the FBE/Steel interfacial adhesion bonds promotion.
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