The influence of adding corrosion inhibitor and pH on the electrochemical properties of hybrid films applied to galvanised steel

The influence of adding corrosion inhibitor and pH on the electrochemical properties of hybrid films applied to galvanised steel

This study was aimed at coating galvanised steel with a hybrid film obtained from a sol consisting of silane precursors 3 - (trimetoxisil-ilpropil) methacrylate (TMSPMA) and tetraethoxysilane (TEOS). The pH of the hydrolysed-silane solution was 1 and 3. The influence of adding corrosion inhibitor (i...

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Main Authors: Sandra Raquel Kunst, Gustavo Alberto Ludwig, María Rita Ortega Vega, Célia de Fraga Malfatti
Format: Article
Language:English
Published: Universidad Nacional de Colombia 2013-09-01
Series:Ingeniería e Investigación
Subjects:
Hybrid film
pH
corrosion inhibitor
Online Access:https://revistas.unal.edu.co/index.php/ingeinv/article/view/41035
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spelling doaj-584c11696ef54cd68e3414f14a3683c82020-11-25T02:15:34ZengUniversidad Nacional de ColombiaIngeniería e Investigación0120-56092248-87232013-09-01333172134642The influence of adding corrosion inhibitor and pH on the electrochemical properties of hybrid films applied to galvanised steelSandra Raquel Kunst0Gustavo Alberto Ludwig1María Rita Ortega Vega2Célia de Fraga Malfatti3Universidade Federal do Rio Grande do SulUniversidade Federal do Rio Grande do SulUniversidade Federal do Rio Grande do SulUniversidade Federal do Rio Grande do SulThis study was aimed at coating galvanised steel with a hybrid film obtained from a sol consisting of silane precursors 3 - (trimetoxisil-ilpropil) methacrylate (TMSPMA) and tetraethoxysilane (TEOS). The pH of the hydrolysed-silane solution was 1 and 3. The influence of adding corrosion inhibitor (i.e. 0.01M cerium nitrate) was evaluated for all samples. The hybrid films were deposited by dip-coating. The film was characterised scanning electron microscopy (SEM), profilometry, contact angle measurement, potentiodynamic polarisation and electrochemical impedance spectroscopy. The results showed that solution pH influenced hybrid film formation and final surface properties. Additionally, cerium nitrate as corrosion inhibitor addition enhances corrosion resistance of the films.https://revistas.unal.edu.co/index.php/ingeinv/article/view/41035Hybrid filmpHcorrosion inhibitor
collection DOAJ
language English
format Article
sources DOAJ
author Sandra Raquel Kunst
Gustavo Alberto Ludwig
María Rita Ortega Vega
Célia de Fraga Malfatti
spellingShingle Sandra Raquel Kunst
Gustavo Alberto Ludwig
María Rita Ortega Vega
Célia de Fraga Malfatti
The influence of adding corrosion inhibitor and pH on the electrochemical properties of hybrid films applied to galvanised steel
Ingeniería e Investigación
Hybrid film
pH
corrosion inhibitor
author_facet Sandra Raquel Kunst
Gustavo Alberto Ludwig
María Rita Ortega Vega
Célia de Fraga Malfatti
author_sort Sandra Raquel Kunst
title The influence of adding corrosion inhibitor and pH on the electrochemical properties of hybrid films applied to galvanised steel
title_short The influence of adding corrosion inhibitor and pH on the electrochemical properties of hybrid films applied to galvanised steel
title_full The influence of adding corrosion inhibitor and pH on the electrochemical properties of hybrid films applied to galvanised steel
title_fullStr The influence of adding corrosion inhibitor and pH on the electrochemical properties of hybrid films applied to galvanised steel
title_full_unstemmed The influence of adding corrosion inhibitor and pH on the electrochemical properties of hybrid films applied to galvanised steel
title_sort influence of adding corrosion inhibitor and ph on the electrochemical properties of hybrid films applied to galvanised steel
publisher Universidad Nacional de Colombia
series Ingeniería e Investigación
issn 0120-5609
2248-8723
publishDate 2013-09-01
description This study was aimed at coating galvanised steel with a hybrid film obtained from a sol consisting of silane precursors 3 - (trimetoxisil-ilpropil) methacrylate (TMSPMA) and tetraethoxysilane (TEOS). The pH of the hydrolysed-silane solution was 1 and 3. The influence of adding corrosion inhibitor (i.e. 0.01M cerium nitrate) was evaluated for all samples. The hybrid films were deposited by dip-coating. The film was characterised scanning electron microscopy (SEM), profilometry, contact angle measurement, potentiodynamic polarisation and electrochemical impedance spectroscopy. The results showed that solution pH influenced hybrid film formation and final surface properties. Additionally, cerium nitrate as corrosion inhibitor addition enhances corrosion resistance of the films.
topic Hybrid film
pH
corrosion inhibitor
url https://revistas.unal.edu.co/index.php/ingeinv/article/view/41035
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