Corrosion electrochemical behaviors of silane coating coated magnesium alloy in NaCl solution containing cerium nitrate / F. Luo in Materials and corrosion, Vol. 63 N° 2 (Fevrier 2012)  

Public ISBD [article]  inMaterials and corrosion > Vol. 63 N° 2 (Fevrier 2012) . - pp. 148–154 Titre : Corrosion electrochemical behaviors of silane coating coated magnesium alloy in NaCl solution containing cerium nitrate Type de document : texte imprimé Auteurs : F. Luo, Auteur ; Q. Li, Auteur ; X. K. Zhong, Auteur Année de publication : 2012 Article en page(s) : pp. 148–154 Note générale : Génie mécanique Langues : Anglais (eng) Mots-clés : Cerium nitrate  corrosion inhibition  magnesium alloy  sol–gel coating Résumé : Sol–gel coatings cannot provide adequate corrosion protection for metal/alloys in the corrosive environments due to their high crack-forming potential. This paper demonstrates the possibility to employ cerium nitrate as inhibitor to decrease the corrosion development of sol–gel-based silane coating on the magnesium alloy in NaCl solution. Cerium nitrate was added into the NaCl solution where the silane coating coated magnesium alloy was immersed. Scanning electron microcopy (SEM) was used to examine surface morphology of the silane coating coated magnesium alloy immersed in NaCl solutions doped and undoped with cerium nitrate. The corrosion electrochemical behaviors were investigated using potentiodynamic polarization and electrochemical impedance spectroscopy (EIS) tests. The results showed that the introduction of cerium nitrate into NaCl solution could effectively inhibit the corrosion of the silane coating coated magnesium alloy. Moreover, the influence of concentration of cerium nitrate on the corrosion inhibition and the possible inhibiting mechanism were also discussed in detail. En ligne : http://onlinelibrary.wiley.com/doi/10.1002/maco.201005706/abstract [article] Corrosion electrochemical behaviors of silane coating coated magnesium alloy in NaCl solution containing cerium nitrate [texte imprimé] / F. Luo, Auteur ; Q. Li, Auteur ; X. K. Zhong, Auteur . - 2012 . - pp. 148–154. Génie mécanique Langues : Anglais (eng) in Materials and corrosion > Vol. 63 N° 2 (Fevrier 2012) . - pp. 148–154 Mots-clés : Cerium nitrate  corrosion inhibition  magnesium alloy  sol–gel coating Résumé : Sol–gel coatings cannot provide adequate corrosion protection for metal/alloys in the corrosive environments due to their high crack-forming potential. This paper demonstrates the possibility to employ cerium nitrate as inhibitor to decrease the corrosion development of sol–gel-based silane coating on the magnesium alloy in NaCl solution. Cerium nitrate was added into the NaCl solution where the silane coating coated magnesium alloy was immersed. Scanning electron microcopy (SEM) was used to examine surface morphology of the silane coating coated magnesium alloy immersed in NaCl solutions doped and undoped with cerium nitrate. The corrosion electrochemical behaviors were investigated using potentiodynamic polarization and electrochemical impedance spectroscopy (EIS) tests. The results showed that the introduction of cerium nitrate into NaCl solution could effectively inhibit the corrosion of the silane coating coated magnesium alloy. Moreover, the influence of concentration of cerium nitrate on the corrosion inhibition and the possible inhibiting mechanism were also discussed in detail. En ligne : http://onlinelibrary.wiley.com/doi/10.1002/maco.201005706/abstract

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