Paper Title:
Structure and Electrochemical Corrosion Resistance of the Passivated Fe-40at.%Al Binary Alloy in Sulfuric Acid Solution
  Abstract

The electrochemical corrosion resistance of the passivated Fe-40at.%Al binary alloy has been investigated in sulfuric acid at 25°C. Structural investigations were conducted by XRD method and confirmed a single phase material of the ordered B2 structure. Electrochemical corrosion behavior was determined using potentiodynamic polarization and EIS methods. Anodic polarization measurements revealed a passive behavior of the tested electrode. Detailed characteristics of the Fe-40at.%Al electrode | passive film | solution interface as a function of the electrode potential in the fully passive range of 0.5  E  1.5 V, was investigated. The impedance behavior was determined by a highly doped n-i-n structure (n-type semiconductor – insulator – n-type semiconductor).

  Info
Periodical
Solid State Phenomena (Volume 163)
Edited by
Danuta Stróż & Małgorzata Karolus
Pages
68-71
DOI
10.4028/www.scientific.net/SSP.163.68
Citation
B. Łosiewicz, A. Budniok, M. Freitag, M. Kupka, "Structure and Electrochemical Corrosion Resistance of the Passivated Fe-40at.%Al Binary Alloy in Sulfuric Acid Solution", Solid State Phenomena, Vol. 163, pp. 68-71, 2010
Online since
June 2010
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