Growth kinetics of passive films on Fe, FeNi, FeCr, FeCrNi alloys

K. N. Goswami, R. W. Staehle

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66 Scopus citations

Abstract

The growth kinetics of passive films on Fe, Fe-10, Ni, Fe-10 Cr, Fe-10 Ni-10 Cr have been determined in pH 8·4 borate buffer solution at 25°C using ellipsometer and coulometric techniques. Films found on the alloys were progressively thinner as the alloy concentration was increased. The correlations with potential dependence suggest that the inverse logarithmic law may be applicable. The optical constants of the alloys in the film-free condition were similar but different from those of the films. The optical constants of the films on the alloys were similar.

Original languageEnglish (US)
Pages (from-to)1895-1907
Number of pages13
JournalElectrochimica Acta
Volume16
Issue number11
DOIs
StatePublished - Nov 1971

Bibliographical note

Funding Information:
Acknowledgments-The authors wish to acknowledge tirst the continuous support and encouragement of the Air Force Materials Laboratory, and specifically Drs. C. T. Lynch and H. P. Kirkpatrick, who supervised the contract. The work was supported under contract number F33(615)-69-C-1258 on the Air Force Materials Laboratory.

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