期刊
CORROSION SCIENCE
卷 63, 期 -, 页码 334-341出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.corsci.2012.06.026
关键词
Mild steel; EIS; X-ray diffraction; SEM; Oxide coatings
资金
- CSIR, India [NWP 0010]
Sol-gel zirconia, yttria stabilized zirconia (YSZ) and alumina stabilized zirconia (AISZ) coatings were deposited on mild steel to improve its corrosion resistance properties. A suitable conversion coating, prior to the sol-gel zirconia based coating was applied to minimize the interference of non-protective rust. X-ray diffraction (XRD), Fourier Transform Infrared (FT-IR) and scanning electron microscopy (SEM) were used to characterize the coatings. The electrochemical corrosion behavior of the coatings was evaluated in 3.5 wt.% NaCl by potentiodynamic polarization and electrochemical impedance techniques. The sol-gel coatings exhibited barrier type protection of the substrate. (C) 2012 Elsevier Ltd. All rights reserved.
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