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Effect of nickel ion from autoclave material on oxidation behaviour of 304 stainless steel in oxygenated high temperature water

  • CAS - Institute of Metal Research
  • Kumamoto University

科研成果: 期刊稿件文章同行评审

72 引用 (Scopus)

摘要

Characteristics of the oxide films formed on 304 stainless steel exposed to 290°C oxygenated water in a nickel-lined autoclave were examined. The oxides evolve from dominating irregularly shaped hematite to faceted spinels with increasing immersion time. The surface layer of oxide film is first Cr-enriched and then Ni-enriched as immersion time increases. The oxides nucleate by solid-state reactions with selective dissolution of Fe and Ni, and then grow up through precipitation of cations from solution. Nickel ions dissolved from the nickel lining could promote the stability of NiFe2O4 spinel and influence the oxidation behaviour of 304 stainless steel significantly.

源语言英语
页(从-至)1107-1114
页数8
期刊Corrosion Science
53
3
DOI
出版状态已出版 - 3月 2011
已对外发布

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