Oxidation properties of Zr-Nb alloys at 500-600°C under low oxygen potentials

研究成果: Contribution to journalArticle査読

25 被引用数 (Scopus)

抄録

Zr-Nb alloys with 1-10wt.% Nb content were oxidized at 500-600°C in the CO-CO2 gas mixtures. The oxidation weight gain increased with Nb content and the kinetics except for Zr-1Nb alloy changed from cubic rate to linear one at 600°C for a long period of time, 7d. The cubic rate constant was almost insensitive to oxygen potential of oxidizing atmosphere. As the oxidation resistance deteriorated, the volume ratio of tetragonal to monoclinic zirconia phase and the relevant compressive stress in oxide film decreased with increase of Nb content. Before and after oxidation, Nb re-distribution could not be observed under the present experimental condition.

本文言語英語
ページ(範囲)435-446
ページ数12
ジャーナルCorrosion Science
47
2
DOI
出版ステータス出版済み - 2 1 2005

All Science Journal Classification (ASJC) codes

  • 化学 (全般)
  • 化学工学(全般)
  • 材料科学(全般)

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