Improvement of Corrosion Resistance of Stainless Steel by ZrO2-SiO2 Sol-Gel Coatings

Abstract:

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ZrO2-SiO2 coatings deposited on 316 L stainless steel were prepared to protect chemically the substrates by sol-gel process using Zr(OC3H7 n)4/Si(OC2H5)4 as precursors. The influence of the ZrO2-SiO2 coatings on the corrosion resistance of the 316 L stainless steel was evaluated with the potentiodynamic polarization curves in deareated 15% H2SO4 solutions at 25, 40 and 50 °C . Comparative test was performed on uncoated one. The values of the electrochemical parameters explain how. ZrO2-SiO2 films increase the resistance of stainless steel against corrosion.

Info:

Periodical:

Materials Science Forum (Volumes 510-511)

Edited by:

Hyung Sun Kim, Yu Bao Li and Soo Wohn Lee

Pages:

442-445

DOI:

10.4028/www.scientific.net/MSF.510-511.442

Citation:

D. Y. Shin et al., "Improvement of Corrosion Resistance of Stainless Steel by ZrO2-SiO2 Sol-Gel Coatings", Materials Science Forum, Vols. 510-511, pp. 442-445, 2006

Online since:

March 2006

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$35.00

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