Difference in corrosion behavior of pure iron and carbon steel in short-time exposure test

Hideki Katayama, Kazuhiko Noda, Masahiro Yamamoto, Toshiaki Kodama

研究成果: Article査読

抄録

Corrosion behavior of pure iron and carbon steel in short-time exposure test was examined in detail by electrochemical methods. Though the corrosion resistant of pure iron was better than that of carbon steel in the initial stage of exposure test, the amount of corrosion losses for pure iron was more than that for carbon steel after 6 month-exposure test. From the results of ESCA analysis and various electrochemical measurements, it was found that the oxide film formed on pure iron in the initial stage of exposure test was more stable and difficult to be attacked by chloride ions than that formed on carbon steel. On the other hand, after 6 month-exposure test, it was indicated that the amount of γ-FeOOH that was reduced to magnetite easily was abounding in the rust of the pure iron in comparison with that of the carbon steel.

本文言語English
ページ(範囲)684-689
ページ数6
ジャーナルZairyo to Kankyo/ Corrosion Engineering
49
11
DOI
出版ステータスPublished - 2000
外部発表はい

ASJC Scopus subject areas

  • Surfaces, Coatings and Films
  • Metals and Alloys
  • Electrochemistry
  • Materials Chemistry

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