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Auteur Mohammad Ebrahim Bahrololoom
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Department of Materials Science and Engineering, Shiraz University, Shiraz, Iran
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Corrosion behavior of 2024 aluminum alloy anodized in presence of permanganate and phosphate ions / Maysam Mohammadi in JOURNAL OF COATINGS TECHNOLOGY AND RESEARCH, Vol. 10, N° 2 (03/2013)
[article]
Titre : Corrosion behavior of 2024 aluminum alloy anodized in presence of permanganate and phosphate ions Type de document : texte imprimé Auteurs : Maysam Mohammadi, Auteur ; Ali Yazdani, Auteur ; Mohammad Ebrahim Bahrololoom, Auteur ; Akram Alfantazi, Auteur Année de publication : 2013 Article en page(s) : p. 219-229 Note générale : Bibliogr. Langues : Américain (ame) Catégories : Aluminium -- Alliages
Anticorrosifs
Anticorrosion
Ions inorganiques
Métaux -- Oxydation anodique
Permanganate de potassium
PhosphatesIndex. décimale : 667.9 Revêtements et enduits Résumé : In this article, the effects of two inorganic corrosion inhibitors, permanganate and phosphate anions, on morphology, composition, thickness, and corrosion resistance of the anodic film formed on 2024 aluminum alloy in sulfuric acid were investigated. Surface morphology of the oxide films were studied by field emission scanning electron microscopy. Electrochemical impedance spectroscopy and potentiodynamic polarization tests were conducted to assess the corrosion resistance of the coatings. These analyses showed that the presence of the mentioned inhibitors changed the coating morphology, especially in the case of phosphate ions. Corrosion results indicated that using inhibitors during the anodizing process increased the corrosion resistance of the anodized samples. The increases were approximately 81% and 97% for 0.05 M of permanganate and phosphate ions, respectively, compared with the anodized coatings in the absence of additives. An increase in the inhibitor concentration results in better corrosion resistance of the aluminum anodic layer. DOI : 10.1007/s11998-012-9459-x En ligne : https://link.springer.com/content/pdf/10.1007%2Fs11998-012-9459-x.pdf Format de la ressource électronique : Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=18240
in JOURNAL OF COATINGS TECHNOLOGY AND RESEARCH > Vol. 10, N° 2 (03/2013) . - p. 219-229[article]Réservation
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Titre : Enhancing the mechanical properties of an epoxy coating with rice husk ash, a green product Type de document : texte imprimé Auteurs : Mahboobeh Azadi, Auteur ; Mohammad Ebrahim Bahrololoom, Auteur ; Fatemeh Heidari, Auteur Année de publication : 2011 Article en page(s) : p. 117-123 Note générale : Bibliogr. Langues : Américain (ame) Catégories : Cendres de riz et constituants
Epoxydes
Essai Wolff-Wilborn
Essais (technologie)
Pliage (mécanique)
Produits naturels
Revêtements:PeintureIndex. décimale : 667.9 Revêtements et enduits Résumé : In this research, rice husk ash (RHA) —a carbon neutral waste product that is an abundant source of silica—was chosen as an innovative filler for epoxy paint. The influence of the RHA on different mechanical properties of the cured coatings (wear, hardness, and elongation) was investigated. Wear tests in pin-on-disc mode were carried out and followed by scanning electron microscopic observations to determine the wear mechanism for specimens with different values of carbon and silica according to their different colors as fillers for epoxy paint. Pencil hardness tests and bending tests were performed according to ASTM D3363 and ASTM D522 standards, respectively. Adding RHA (heat treated at 700°C) at two levels—10 and 20% weight fraction—to the unfilled epoxy paint increased the wear resistance, scratch resistance, and elongation of the filled coating compared to the unfilled epoxy coating. DOI : 10.1007/s11998-010-9284-z En ligne : https://link.springer.com/content/pdf/10.1007%2Fs11998-010-9284-z.pdf Format de la ressource électronique : Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=10929
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