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<p>The study of corrosion resistance in the marine environment of 7&#xa0;low-carbon steels similar in composition to shipbuilding steels was carried out using three different methods, including modeling of marine conditions. It was found that alloying with chromium, nickel and copper in concentrations of approximately 1, 2&#xa0;and 0.4 wt. %, respectively, increases corrosion resistance, despite contamination with non-metallic inclusions that accelerate the corrosion process. With a&#xa0;decrease in the concentration of alloying components, the presence of non-metallic inclusions of various types leads to deterioration in corrosion resistance. Microalloying with carbide-forming elements can also have a&#xa0;negative effect due to the formation of nanosized phase precipitates.</p>

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Study of factors influencing corrosion resistance of shipbuilding steels under marine conditions

  • 期刊论文

  • 发表日期：

    2025年12月1日

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  • A. V. Amezhnov,
  • I. G. Rodionova,
  • N. A. Arutyunyan

摘要

The study of corrosion resistance in the marine environment of 7 low-carbon steels similar in composition to shipbuilding steels was carried out using three different methods, including modeling of marine conditions. It was found that alloying with chromium, nickel and copper in concentrations of approximately 1, 2 and 0.4 wt. %, respectively, increases corrosion resistance, despite contamination with non-metallic inclusions that accelerate the corrosion process. With a decrease in the concentration of alloying components, the presence of non-metallic inclusions of various types leads to deterioration in corrosion resistance. Microalloying with carbide-forming elements can also have a negative effect due to the formation of nanosized phase precipitates.