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Effect of Sb on the Corrosion Behavior of Low-Alloy Steels in a Simulated Polluted Marine Atmosphere

  • Ying Yang
  • , Cheng Jiang
  • , Xuequn Cheng*
  • , Jinbin Zhao
  • , Baijie Zhao
  • , Xiaogang Li
  • *Corresponding author for this work
  • University of Science and Technology Beijing
  • Nanjing Iron and Steel Co., Ltd.

Research output: Contribution to journalArticlepeer-review

Abstract

The effect of Sb on the corrosion resistance of low-alloy steels in a simulated polluted marine atmosphere was studied by electrochemical testing and weight loss measurements. The results showed that the addition of Sb could improve the corrosion resistance, which was confirmed by the increased polarization resistance of the steels that contained Sb. X-ray photoelectron spectroscopy analysis of the surfaces indicated that Sb participated in the formation of corrosion products and formed Sb2O5 in the rust layers. In addition, the precipitation of Sb2O5 with iron oxyhydroxides made the rust layers more uniform and compact, which provided the Sb-containing steels with better corrosion resistance than the Sb-free Steel.

Original languageEnglish
Pages (from-to)2648-2657
Number of pages10
JournalJournal of Materials Engineering and Performance
Volume29
Issue number4
DOIs
StatePublished - 1 Apr 2020
Externally publishedYes

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

  1. SDG 14 - Life Below Water
    SDG 14 Life Below Water

Keywords

  • antimony
  • atmospheric corrosion
  • low-alloy steels
  • marine atmosphere
  • rust layer

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