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Effect of acid treatment on the high-temperature surface oxidation behavior of FeCrAlloy foil used for methane combustion catalyst support / Dong Zhang in Industrial & engineering chemistry research, Vol. 48 N° 10 (Mai 2009) 

Public ISBD [article]  in Industrial & engineering chemistry research > Vol. 48 N° 10 (Mai 2009) . - pp. 5117–5122 Titre : Effect of acid treatment on the high-temperature surface oxidation behavior of FeCrAlloy foil used for methane combustion catalyst support Type de document : texte imprimé Auteurs : Dong Zhang, Auteur ; Lihong Zhang, Auteur ; Bin Liang, Auteur Année de publication : 2009 Article en page(s) : pp. 5117–5122 Note générale : Chemical engineering Langues : Anglais (eng) Mots-clés : Acid  treatment  Fe−Cr−Al  alloy  Oxidation Résumé : The effect of acid treatment on the high-temperature oxidation behavior of Fe−Cr−Al alloy has been examined with oxidation tests and various characterization techniques. Acid treatment effectively improves the stability of the alloy in a high-temperature oxidation environment. After the treatment, the alloy oxidizes at a higher rate in the induction period and a lower rate in the subsequent time period. A passivative oxide layer was determined to be better formed during high-temperature oxidation on the surface of the acid-treated alloy, which suppressed further oxidation. It was observed that the oxidation rate of the alloy at high temperature can be described precisely by the Quadakkers equation. En ligne : http://pubs.acs.org/doi/abs/10.1021/ie8019664 [article] Effect of acid treatment on the high-temperature surface oxidation behavior of FeCrAlloy foil used for methane combustion catalyst support [texte imprimé] / Dong Zhang, Auteur ; Lihong Zhang, Auteur ; Bin Liang, Auteur . - 2009 . - pp. 5117–5122. Chemical engineering Langues : Anglais (eng) in Industrial & engineering chemistry research > Vol. 48 N° 10 (Mai 2009) . - pp. 5117–5122 Mots-clés : Acid  treatment  Fe−Cr−Al  alloy  Oxidation Résumé : The effect of acid treatment on the high-temperature oxidation behavior of Fe−Cr−Al alloy has been examined with oxidation tests and various characterization techniques. Acid treatment effectively improves the stability of the alloy in a high-temperature oxidation environment. After the treatment, the alloy oxidizes at a higher rate in the induction period and a lower rate in the subsequent time period. A passivative oxide layer was determined to be better formed during high-temperature oxidation on the surface of the acid-treated alloy, which suppressed further oxidation. It was observed that the oxidation rate of the alloy at high temperature can be described precisely by the Quadakkers equation. En ligne : http://pubs.acs.org/doi/abs/10.1021/ie8019664