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Bilayers Polypyrrole Coatings for Corrosion Protection of SAE 4140 Steel

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  • معلومة اضافية
    • بيانات النشر:
      Sociedade Portuguesa de Electroquímica
    • Collection:
      CONICET Digital (Consejo Nacional de Investigaciones Científicas y Técnicas)
    • نبذة مختصرة :
      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. ; 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 ; 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
    • File Description:
      application/pdf
    • ISSN:
      1647-1571
    • Relation:
      info:eu-repo/semantics/altIdentifier/url/http://www.peacta.org/articles_upload/2014-12-31-095917PEA_32_4_2014_281_293.pdf; info:eu-repo/semantics/altIdentifier/url/http://www.peacta.org/volumes/view/79; info:eu-repo/semantics/altIdentifier/url/http://www.scielo.mec.pt/scielo.php?script=sci_arttext&pid=S0872-19042014000400004; http://hdl.handle.net/11336/31520; 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; CONICET Digital; CONICET
    • الدخول الالكتروني :
      https://doi.org/10.4152/pea.201404281
      http://hdl.handle.net/11336/31520
    • Rights:
      info:eu-repo/semantics/openAccess ; https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
    • الرقم المعرف:
      edsbas.D4FF0