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<p>The strong oxidation of NaClO significantly influences the corrosion process of metal alloys in aqueous environment. This study investigates the corrosion behavior of B10 alloy in natural seawater with and without available chlorine using potentiodynamic polarization measurements, electrochemical impedance spectroscopy (EIS), and immersion tests. The results demonstrate that the corrosion rate of B10 alloy is accelerated with the increase of available chlorine concentration in seawater. The presence of available chlorine enhances the potential difference and promotes uneven potential distribution across the alloy surface. Immersion tests in seawater containing high concentrations of available chlorine reveal that the resulting corrosion products exhibit nickel depletion and chlorine enrichment.</p>

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Effect of NaClO on the Corrosion Behavior of B10 Alloy in Natural Seawater

  • 期刊论文

  • 发表日期：

    2025年9月29日

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  • Xuehui Liu,
  • Huixia Zhang,
  • Zheng Ma,
  • Jianyuan Zhou,
  • Rongrong Zhao,
  • Hongtao Tong,
  • Xiangbo Li,
  • Jian Hou

摘要

The strong oxidation of NaClO significantly influences the corrosion process of metal alloys in aqueous environment. This study investigates the corrosion behavior of B10 alloy in natural seawater with and without available chlorine using potentiodynamic polarization measurements, electrochemical impedance spectroscopy (EIS), and immersion tests. The results demonstrate that the corrosion rate of B10 alloy is accelerated with the increase of available chlorine concentration in seawater. The presence of available chlorine enhances the potential difference and promotes uneven potential distribution across the alloy surface. Immersion tests in seawater containing high concentrations of available chlorine reveal that the resulting corrosion products exhibit nickel depletion and chlorine enrichment.