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Journal of Coatings Technology and Research

Published in:

03-10-2016

Impact of hybrid self-assembled nanophase particle-based sol–gel coatings on the localized corrosion behavior of modified 9Cr–1Mo steel in chloride medium

Authors: S. Ramya, C. Arunchandran, R. P. George, C. Thinaharan, U. Kamachi Mudali

Published in: Journal of Coatings Technology and Research | Issue 1/2017

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Abstract

Corrosion protection coatings were developed based on a hybrid self-assembled nanophase particle process (HSNAP) for the localized corrosion resistance of modified 9Cr–1Mo steel in 0.05 M NaCl solution. The coating sol was prepared using silane-zirconia precursors and a polymeric crosslinking agent. Scanning electron microscopy and X-ray photoelectron spectroscopy were used to study the morphology and composition of the coated specimens, respectively. The thickness of the coatings was determined by a thickness gauge meter and Raman imaging analysis. The corrosion resistance of coated specimens was analyzed using electrochemical impedance spectroscopy, and it was observed that HSNAP-coated specimens showed superior resistance to localized corrosion than the as-received specimens in chloride medium.

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Title: Impact of hybrid self-assembled nanophase particle-based sol–gel coatings on the localized corrosion behavior of modified 9Cr–1Mo steel in chloride medium
Authors: S. Ramya
C. Arunchandran
R. P. George
C. Thinaharan
U. Kamachi Mudali
Publication date: 03-10-2016
Publisher: Springer US
Published in: Journal of Coatings Technology and Research / Issue 1/2017
Print ISSN: 1547-0091
Electronic ISSN: 1935-3804
DOI: https://doi.org/10.1007/s11998-016-9836-y

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