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Oxidation of Metals

, Volume 42, Issue 3–4, pp 223–237 | Cite as

The effect of purity on high-temperature oxidation of zirconium

  • V. B. Voitovich
  • V. A. Lavrenko
  • R. F. Voitovich
  • E. I. Golovko
Article

Abstract

The oxidation kinetics of zirconium of different purities were studied over the temperature range of 600–1300°C (α- and β-phases). The structure of the oxidized specimens was examined. TGA, XRD, EPMA, SEM, metallographic analysis, and microhardness measurements were carried out. Impurity elements were found to increase the oxidation rate of technical zirconium. The mechanism of the effect of impurity elements on zirconium oxidation was shown to differ for the α- and β-phases. Activation energies were calculated for the parabolic and linear stages of oxidation.

Key Words

kinetics scale oxidation zirconium purity 

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Copyright information

© Plenum Publishing Corporation 1994

Authors and Affiliations

  • V. B. Voitovich
    • 1
  • V. A. Lavrenko
    • 1
  • R. F. Voitovich
    • 1
  • E. I. Golovko
    • 1
  1. 1.The Institute for Problems of Materials ScienceUkrainian Academy of SciencesKiev-142Ukraine

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