Coating Steel with Nanosilica by Pulsed Direct Current Electrophoresis for Corrosion Protection
The purpose of this paper is to investigate the electrophoretic deposited nanosilica on stainless steel for corrosion protection. The electrophoretic deposition (EPD) was carried out by pulsed direct current (PDC) of silica sol made of sodium silicate. The amplitude and frequency of the PDC were varied in the range of 0.1-0.6 V and 30-80 Hz, respectively. The corrosion protection properties of the silica films were analyzed by Electrochemical Impedance Spectroscopy (EIS) in 2 wt% NaCl solution. The experimental results showed that the silica films exhibit good characteristics as indicated by their high pore resistance and low admittance. The silica film corrosion protection characteristics were influenced by the frequency and amplitude of PDC during preparation of electrophoretic deposition.
Kuwat Triyana, Khairurrijal, Risa Suryana, Heru Susanto and Sutikno
S. N. M. I. Putri and H. Setyawan, "Coating Steel with Nanosilica by Pulsed Direct Current Electrophoresis for Corrosion Protection", Advanced Materials Research, Vol. 896, pp. 578-581, 2014