The properties of protective oxide scales containing cerium on alloy 800H in oxidizing and oxidizing/sulphidizing environments

V.A.C. Haanappel, V.A.C. Haanappel, T. Fransen, Bert Geerdink, P.J. Gellings, M.F. Stroosnijder

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Abstract

The corrosion protection of oxide scales formed by electrophoretic deposition in a cerium-containing sol on Alloy 800H, a 32Ni-20Cr steel, followed by firing in air at 1123 K was studied in oxidizing and mixed oxidizing/sulphidizing environments at elevated temperatures. In particular, the influence of type of sol solvent, sol concentration, and thickness of deposited layer on the protection were studied. An optimized treatment was deduced which led to a significant improvement in corrosion behavior in oxidizing/sulphidizing environments.
Original languageUndefined
Pages (from-to)405-414
Number of pages10
JournalOxidation of metals
Volume35
Issue number5-6
DOIs
Publication statusPublished - 1991

Keywords

  • IR-60344
  • METIS-105427
  • Alloy 800H - sulphidation - oxidation - sol/gel method - cerium - reactive elements - ceramic coatings - thermogravimetric experiments

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