Lower temperature aluminizing and its effect on improving corrosion resistance of iron treated by surface mechanical attrition treatment / Cheng Zhong in JOURNAL OF COATINGS TECHNOLOGY AND RESEARCH, Vol. 8, N° 1 (01/2011)  

[article]  inJOURNAL OF COATINGS TECHNOLOGY AND RESEARCH > Vol. 8, N° 1 (01/2011) . - p. 107-116 Titre : Lower temperature aluminizing and its effect on improving corrosion resistance of iron treated by surface mechanical attrition treatment Type de document : texte imprimé Auteurs : Cheng Zhong, Auteur ; Wenbin Hu, Auteur ; Yiming Jiang, Auteur ; Bo Deng, Auteur ; Jin Li, Auteur Année de publication : 2011 Article en page(s) : p. 107-116 Note générale : Bibliogr. Langues : Américain (ame) Catégories : Aluminiage Anticorrosifs Basses températures Matériaux nanocristallins Revêtement métallique Revêtements protecteurs Traîtements de surface Usure (mécanique) Index. décimale : 667.9 Revêtements et enduits Résumé : An ultrafine-grained surface layer with the average grain size of about 28 nm in the surface layer was fabricated on a pure Fe plate by the surface mechanical attrition treatment (SMAT). Lower temperature aluminizing treatments of the SMAT samples were investigated by scanning electron microscope and X-ray energy dispersive spectroscope. The electrochemical corrosion behavior of the aluminized SMAT sample was studied in 0.05 mol/L Na2SO4 + 0.05 mol/L H2SO4 solution, in comparison with the original SMAT and the coarse-grained sample. The results showed that SMAT had a negative effect on the corrosion resistance of Fe. An aluminized surface layer was formed on SMAT sample by aluminizing treatment at 400°C, which was much lower than that of the conventional aluminizing treatment. A successive lower temperature aluminizing process made the aluminized layer thicker and continuous. The SMAT sample treated by a successive lower temperature aluminizing had much higher corrosion resistance and exhibited passive behavior, which was due to the formation of a protective passive film. DOI : 10.1007/s11998-010-9280-3 En ligne : https://link.springer.com/content/pdf/10.1007%2Fs11998-010-9280-3.pdf Format de la ressource électronique : Pdf Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=10928 [article]

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