Corrosion control of aluminum surfaces by polypyrrole films: influence of electrolyte

Corrosion control of aluminum surfaces by polypyrrole films: influence of electrolyte

Polypyrrole (PPy) films were galvanostatically deposited on 99.9 wt. (%) aluminum electrodes from aqueous solutions containing each carboxylic acid: tartaric, oxalic or citric. Scanning Electron Microscopy (SEM) was used to analyze the morphology of the aluminum surfaces coated with the polymeric films. It was observed that the films deposited from tartaric acid medium presented higher homogeneity than those deposited from oxalic and citric acid. Furthermore, the corrosion protection of aluminum surfaces by PPy films was also investigated by potentiodynamic polarization experiments.

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Main Authors: Liu,Andréa Santos, Oliveira,Maria Auxiliadora Silva
Format: Digital revista
Language:English
Published: ABM, ABC, ABPol 2007
Online Access:http://old.scielo.br/scielo.php?script=sci_arttext&pid=S1516-14392007000200018
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spelling oai:scielo:S1516-143920070002000182007-09-04Corrosion control of aluminum surfaces by polypyrrole films: influence of electrolyteLiu,Andréa SantosOliveira,Maria Auxiliadora Silva polypyrrole electrolyte aluminum corrosion Polypyrrole (PPy) films were galvanostatically deposited on 99.9 wt. (%) aluminum electrodes from aqueous solutions containing each carboxylic acid: tartaric, oxalic or citric. Scanning Electron Microscopy (SEM) was used to analyze the morphology of the aluminum surfaces coated with the polymeric films. It was observed that the films deposited from tartaric acid medium presented higher homogeneity than those deposited from oxalic and citric acid. Furthermore, the corrosion protection of aluminum surfaces by PPy films was also investigated by potentiodynamic polarization experiments.info:eu-repo/semantics/openAccessABM, ABC, ABPolMaterials Research v.10 n.2 20072007-06-01info:eu-repo/semantics/articletext/htmlhttp://old.scielo.br/scielo.php?script=sci_arttext&pid=S1516-14392007000200018en10.1590/S1516-14392007000200018
institution SCIELO
collection OJS
country Brasil
countrycode BR
component Revista
access En linea
databasecode rev-scielo-br
tag revista
region America del Sur
libraryname SciELO
language English
format Digital
author Liu,Andréa Santos
Oliveira,Maria Auxiliadora Silva
spellingShingle Liu,Andréa Santos
Oliveira,Maria Auxiliadora Silva
Corrosion control of aluminum surfaces by polypyrrole films: influence of electrolyte
author_facet Liu,Andréa Santos
Oliveira,Maria Auxiliadora Silva
author_sort Liu,Andréa Santos
title Corrosion control of aluminum surfaces by polypyrrole films: influence of electrolyte
title_short Corrosion control of aluminum surfaces by polypyrrole films: influence of electrolyte
title_full Corrosion control of aluminum surfaces by polypyrrole films: influence of electrolyte
title_fullStr Corrosion control of aluminum surfaces by polypyrrole films: influence of electrolyte
title_full_unstemmed Corrosion control of aluminum surfaces by polypyrrole films: influence of electrolyte
title_sort corrosion control of aluminum surfaces by polypyrrole films: influence of electrolyte
description Polypyrrole (PPy) films were galvanostatically deposited on 99.9 wt. (%) aluminum electrodes from aqueous solutions containing each carboxylic acid: tartaric, oxalic or citric. Scanning Electron Microscopy (SEM) was used to analyze the morphology of the aluminum surfaces coated with the polymeric films. It was observed that the films deposited from tartaric acid medium presented higher homogeneity than those deposited from oxalic and citric acid. Furthermore, the corrosion protection of aluminum surfaces by PPy films was also investigated by potentiodynamic polarization experiments.
publisher ABM, ABC, ABPol
publishDate 2007
url http://old.scielo.br/scielo.php?script=sci_arttext&pid=S1516-14392007000200018
work_keys_str_mv AT liuandreasantos corrosioncontrolofaluminumsurfacesbypolypyrrolefilmsinfluenceofelectrolyte
AT oliveiramariaauxiliadorasilva corrosioncontrolofaluminumsurfacesbypolypyrrolefilmsinfluenceofelectrolyte
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