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dc.contributor.author
Lehr, Ivana Leticia  
dc.contributor.author
Saidman, Silvana Beatriz  
dc.date.available
2017-12-26T17:10:10Z  
dc.date.issued
2014-07  
dc.identifier.citation
Lehr, Ivana Leticia; Saidman, Silvana Beatriz; Bilayers Polypyrrole Coatings for Corrosion Protection of SAE 4140 Steel; Sociedade Portuguesa de Electroquímica; Portugaliae Electrochimica Acta; 32; 4; 7-2014; 281-293  
dc.identifier.issn
1647-1571  
dc.identifier.uri
http://hdl.handle.net/11336/31520  
dc.description.abstract
In this study polypyrrole (PPy) bilayers films were electrodeposited onto SAE 4140 steel. The inner layer was electropolymerized in the presence of molibdate and nitrate and the outer layer in a solution containing sodium bis (2-ethylhexyl) sulfosuccinate (AOT). The electrosynthesis was done under potentiostatic conditions. The corrosion protection properties of the films were examined in sodium chloride solution by open circuit measurements, linear polarization and electrochemical impedance spectroscopy (EIS). The bilayer coatings present an improved anticorrosive performance with respect to single PPy films.  
dc.format
application/pdf  
dc.language.iso
eng  
dc.publisher
Sociedade Portuguesa de Electroquímica  
dc.rights
info:eu-repo/semantics/openAccess  
dc.rights.uri
https://creativecommons.org/licenses/by-nc-sa/2.5/ar/  
dc.subject
Polypyrrole  
dc.subject
Bilayers  
dc.subject
Molybdate  
dc.subject
Aot  
dc.subject.classification
Recubrimientos y Películas  
dc.subject.classification
Ingeniería de los Materiales  
dc.subject.classification
INGENIERÍAS Y TECNOLOGÍAS  
dc.title
Bilayers Polypyrrole Coatings for Corrosion Protection of SAE 4140 Steel  
dc.type
info:eu-repo/semantics/article  
dc.type
info:ar-repo/semantics/artículo  
dc.type
info:eu-repo/semantics/publishedVersion  
dc.date.updated
2017-12-12T18:43:32Z  
dc.journal.volume
32  
dc.journal.number
4  
dc.journal.pagination
281-293  
dc.journal.pais
Portugal  
dc.journal.ciudad
Coimbra  
dc.description.fil
Fil: Lehr, Ivana Leticia. Universidad Nacional del Sur. Departamento de Ingeniería Química. Instituto de Ingeniería Electroquímica y Corrosión; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina  
dc.description.fil
Fil: Saidman, Silvana Beatriz. Universidad Nacional del Sur. Departamento de Ingeniería Química. Instituto de Ingeniería Electroquímica y Corrosión; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina  
dc.journal.title
Portugaliae Electrochimica Acta  
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/doi/http://dx.doi.org/10.4152/pea.201404281  
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/url/http://www.peacta.org/articles_upload/2014-12-31-095917PEA_32_4_2014_281_293.pdf  
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/url/http://www.peacta.org/volumes/view/79  
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/url/http://www.scielo.mec.pt/scielo.php?script=sci_arttext&pid=S0872-19042014000400004  

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