On the Role of Diffusion in the Oxidation of Fe, Ni, Co and the Fe-Sn Alloy by Calcium and Sodium Sulfates

Abstract:

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Diffusion processes play a dominant part in the macro kinetics of Fe, Ni and Co oxidation by calcium and sodium sulfates. Here, the reaction product forms a compact covering which spatially divides the reagents on the surface in the same way as in the oxidation and sulfidization of metals by oxygen and sulfur. Therefore, it is possible to assume in advance that interaction of metals with calcium and sodium sulfates will be determined not by the actual chemical reaction properly but by the diffusion transport processes.

Info:

Periodical:

Defect and Diffusion Forum (Volumes 258-260)

Edited by:

Andreas Öchsner and José Grácio

Pages:

63-67

DOI:

10.4028/www.scientific.net/DDF.258-260.63

Citation:

V.M. Chumarev et al., "On the Role of Diffusion in the Oxidation of Fe, Ni, Co and the Fe-Sn Alloy by Calcium and Sodium Sulfates", Defect and Diffusion Forum, Vols. 258-260, pp. 63-67, 2006

Online since:

October 2006

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