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<p>In this paper, the roles of Mo and N elements on the corrosion of low-Ni coatings alloy and Inconel 625 coatings alloy in argon environment at 800&#xa0;℃ were studied by means of immersion corrosion test and microstructure analysis. The corrosion degree of Inconel 625 coatings alloy was more serious than that of low-Ni coatings alloy. The precipitates of alloying elements affected the outward spreading of Cr element, resulting in the corrosion tolerance of low-Ni coatings alloy was superior to that of Inconel 625 coatings alloy. The interaction between elements also affected the corrosion process.</p>

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Study on the corrosion behavior of a new low nickel coating alloy in chloride molten salt

  • 期刊论文

  • 发表日期：

    2025年11月3日

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  • Guiqing Zhang,
  • Bowen Sun,
  • Haozhe Yu,
  • Jiaqing You,
  • Taisen Yang,
  • Yunhai Su

摘要

In this paper, the roles of Mo and N elements on the corrosion of low-Ni coatings alloy and Inconel 625 coatings alloy in argon environment at 800 ℃ were studied by means of immersion corrosion test and microstructure analysis. The corrosion degree of Inconel 625 coatings alloy was more serious than that of low-Ni coatings alloy. The precipitates of alloying elements affected the outward spreading of Cr element, resulting in the corrosion tolerance of low-Ni coatings alloy was superior to that of Inconel 625 coatings alloy. The interaction between elements also affected the corrosion process.