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The corrosion inhibition performance of NAC and 2-MBI was studied by static weightlessness, electrochemical method, XPS, SEM. The data of weight loss method showed that the corrosion inhibition effect was better when T = 40 °C, pH = 4, CNAC = 0.5 mmol/L, NAC: 2-MBI = 7:3, the highest corrosion inhibition rate reached at 93.4%, and the corrosion inhibition efficiency showed a downward trend with the increase of the concentration of NAC corrosion inhibitor. The results of SEM and XPS showed that the corrosion degree of X80 steel surface was obviously reduced, which indicated that the compound corrosion inhibitor had good corrosion inhibition performance, and there was a good synergistic corrosion inhibition effect between the two corrosion inhibitors.

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Study on Corrosion Inhibition Properties of X80 Steel with N-acetyl-L-cysteine and Compound Corrosion Inhibitor

  • 会议论文

  • 发表日期：

    2026年

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  • Xiuli Zuo,
  • Wenpo Li,
  • Qian Yi,
  • Kecheng Gu,
  • Jian Wang,
  • Hao Yan

摘要

The corrosion inhibition performance of NAC and 2-MBI was studied by static weightlessness, electrochemical method, XPS, SEM. The data of weight loss method showed that the corrosion inhibition effect was better when T = 40 °C, pH = 4, CNAC = 0.5 mmol/L, NAC: 2-MBI = 7:3, the highest corrosion inhibition rate reached at 93.4%, and the corrosion inhibition efficiency showed a downward trend with the increase of the concentration of NAC corrosion inhibitor. The results of SEM and XPS showed that the corrosion degree of X80 steel surface was obviously reduced, which indicated that the compound corrosion inhibitor had good corrosion inhibition performance, and there was a good synergistic corrosion inhibition effect between the two corrosion inhibitors.