Electrogalvanization using Zn-graphene oxide composite coatings with enhanced corrosion resistance performance / M. Y. Rekha in JOURNAL OF COATINGS TECHNOLOGY AND RESEARCH, Vol. 18, N° 3 (05/2021)  

[article]  inJOURNAL OF COATINGS TECHNOLOGY AND RESEARCH > Vol. 18, N° 3 (05/2021) . - p. 753-760 Titre : Electrogalvanization using Zn-graphene oxide composite coatings with enhanced corrosion resistance performance Type de document : texte imprimé Auteurs : M. Y. Rekha, Auteur ; Chandan Srivastava, Auteur Année de publication : 2021 Article en page(s) : p. 753-760 Note générale : Bibliogr. Langues : Américain (ame) Catégories : Anticorrosifs Anticorrosion Corrosion Dépôt électrolytique Galvanisation Métaux -- Revêtements protecteurs Oxyde de graphène Zinc Index. décimale : 667.9 Revêtements et enduits Résumé : Zn-based coatings are extensively used for the protection of steel structures. Efforts toward further enhancement in the corrosion resistance performance of Zn coatings are therefore an area of continued interest. In this work, Zn-graphene oxide (Zn-GO) composite coatings containing different volume fractions of GO were electrodeposited on mild steel substrates using an electrolyte bath with different concentrations of dispersed graphene oxide. The electrodeposition parameters used yielded compact and crack-free morphology for all the coatings. Incorporation of GO led to a refinement of the Zn crystallites in the coating matrix. Potentiodynamic polarization measurements clearly showed that all the Zn-GO composite coatings exhibited higher corrosion resistance performance when compared to the pristine Zn coatings, and further, the corrosion rate decreased with the increase in the volume fraction of the GO in the composite coatings. DOI : https://doi.org/10.1007/s11998-020-00439-9 En ligne : https://link.springer.com/content/pdf/10.1007/s11998-020-00439-9.pdf Format de la ressource électronique : Pdf Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=35927 [article]

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