Reaction of Zircaloy-4 with tellurium under different oxygen potentials

T. Arima, T. Masuzumi, H. Furuya, K. Idemitsu, Y. Inagaki

Research output: Contribution to journalArticlepeer-review

8 Citations (Scopus)

Abstract

Corrosion behavior of Zircaloy-4 has been studied under different oxygen potentials and tellurium vapor pressures. The oxygen potential was controlled by buffer over the range of -600 to -430 kJ/mol. Under the condition of oxygen potential of less than -500 kJ/mol with coexisting tellurium vapor, duplex corrosion layers were formed on the surface of Zircaloy-4 specimens, which consisted of zirconium telluride and zirconium oxide. The thickness of corrosion layer was increased with tellurium vapor pressure. For the oxygen potential over -430 kJ/mol, only zirconium oxide was observed on the specimen surface regardless of coexistence of tellurium vapor.

Original languageEnglish
Pages (from-to)90-97
Number of pages8
JournalJournal of Nuclear Materials
Volume301
Issue number2-3
DOIs
Publication statusPublished - Mar 2002

All Science Journal Classification (ASJC) codes

  • Nuclear and High Energy Physics
  • Materials Science(all)
  • Nuclear Energy and Engineering

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