Models for Lattice Defects in Oxide Layers on Passivated Iron and Nickel
10.1002/bbpc.19730771211
Crossref journal-article
Wiley
Berichte der Bunsengesellschaft für physikalische Chemie (311)
Abstract

AbstractPassivity of iron in acidic solutions is ascribed to a thin film of iron‐deficient magnetite with the limiting compositions Fe3O4 and Fe2.67O4. If the composition at the oxide/solution interface is close to the formula Fe2.67O4, it follows theoretically that the stationary corrosion current density ic is virtually independent of the voltage U with respect to a standard hydrogen electrode. This is in accord with available experimental data. The Flade potential UF of iron is interpreted as the potential at which the composition of the oxide approaches the formula Fe2.83O4 halfway between the limiting compositions Fe3O4 and Fe2.67O4.For the oxide layer on passivated nickel, another model is suggested, which yields a quasi‐exponential increase of ic with U in accord with available experimental data.

Bibliography

Wagner, C. (1973). Models for Lattice Defects in Oxide Layers on Passivated Iron and Nickel. Berichte Der Bunsengesellschaft Für Physikalische Chemie, 77(12), 1090–1097. Portico.

Authors 1
  1. Carl Wagner (first)
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Dates
Type When
Created 1 year, 10 months ago (Oct. 19, 2023, 2 a.m.)
Deposited 1 year, 10 months ago (Oct. 19, 2023, 2 a.m.)
Indexed 1 month, 3 weeks ago (July 8, 2025, 3:26 p.m.)
Issued 51 years, 9 months ago (Dec. 1, 1973)
Published 51 years, 9 months ago (Dec. 1, 1973)
Published Online 15 years, 3 months ago (May 5, 2010)
Published Print 51 years, 9 months ago (Dec. 1, 1973)
Funders 0

None

@article{Wagner_1973, title={Models for Lattice Defects in Oxide Layers on Passivated Iron and Nickel}, volume={77}, ISSN={0005-9021}, url={http://dx.doi.org/10.1002/bbpc.19730771211}, DOI={10.1002/bbpc.19730771211}, number={12}, journal={Berichte der Bunsengesellschaft für physikalische Chemie}, publisher={Wiley}, author={Wagner, Carl}, year={1973}, month=dec, pages={1090–1097} }