Characterization of the effect of hydrogen sulfide on the corrosion of X80 pipeline steel in saline solution

Wei Zhao, Yong Zou*, Kenji Matsuda, Zengda Zou

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

60 Scopus citations

Abstract

The corrosion products and electrochemical corrosion behavior of X80 pipeline steel in saline solution with saturated H2S at 50 °C were evaluated. The results showed that mackinawite and cubic FeS were the primary and secondary crystalline phases observed and that a series of changes in the size, shape, thickness, and chemical composition occurred as the immersion stages developed. Electrochemical results showed that the sulfide film hindered pitting and enhanced the corrosion resistance definitely. Zero-resistance ammeter measurements showed that the sulfide film repaired itself when local failure occurred.

Original languageEnglish
Pages (from-to)455-468
Number of pages14
JournalCorrosion Science
Volume102
DOIs
StatePublished - 2016/01/01

Keywords

  • A. Steel
  • B. Electrochemical calculation
  • B. SEM
  • C. Anodic films

ASJC Scopus subject areas

  • General Chemistry
  • General Chemical Engineering
  • General Materials Science

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