Deposition of phosphate conversion coating using electrochemical methods have many advantages such as low phosphating temperature, low energy cost and good properties of fabricated coating and in recent times increasingly employed for deposition of phosphate coating. Deposition mechanism of coating which is fabricated using electrochemical methods is different from those obtained by conventional chemical methods, consequently, the properties of electrophosphate coating is also different from those conventional phosphate coating. In this paper, recent understanding of deposition mechanism of electrophosphate coating is reviewed. The microstructure, composition, thickness and corrosion behavior of electrophosphate coatings and effect of different factors of those properties were also reviewed.

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