Improvement in the corrosion resistance of stainless steel 304L in sodium chloride solution by a nanoclay incorporated silane coating

An eco-friendly silane sol-gel coating incorporating nanoclay was formulated to provide an effective corrosion protection for stainless steel 304L in a NaCl solution. Electrochemical measurements were used to determine the nanoparticle content in which the most efficient protection was provided. In...

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Bibliographic Details
Published inRSC advances Vol. 5; no. 1; pp. 76 - 716
Main Authors Ansari, F, Naderi, R, Dehghanian, C
Format Journal Article
LanguageEnglish
Published 01.01.2015
Subjects
Austenitic stainless steels
Coating
Contact angle
Corrosion prevention
Nanostructure
Protective coatings
Silanes
Stainless steels
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Summary:An eco-friendly silane sol-gel coating incorporating nanoclay was formulated to provide an effective corrosion protection for stainless steel 304L in a NaCl solution. Electrochemical measurements were used to determine the nanoparticle content in which the most efficient protection was provided. In consistency with the EIS data, electrochemical noise analysis indicated the significant impact of nanoclay concentration on the coating barrier properties. According to the surface analysis including XRD, FTIR, FESEM, AFM and water contact angle measurements, the behavior might be attributed to the dispersion of nanoparticles, chemical analysis of the films, surface hydrophobicity, thickness, roughness and morphology of the coatings. An eco-friendly silane sol-gel coating incorporating nanoclay was formulated to provide an effective corrosion protection for stainless steel 304L in a NaCl solution.
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ISSN:2046-2069
2046-2069
DOI:10.1039/c4ra10332g