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Volume 24 Issue 1
Jan.  2017
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文章导航 >  矿物冶金与材料学报（英文）  > 2017  >  24(1): 64-74
Jin-jie Shiand Jing Ming, Influence of mill scale and rust layer on the corrosion resistance of low-alloy steel in simulated concrete pore solution, Int. J. Miner. Metall. Mater., 24(2017), No. 1, pp. 64-74. https://doi.org/10.1007/s12613-017-1379-4
Cite this article as:
Jin-jie Shiand Jing Ming, Influence of mill scale and rust layer on the corrosion resistance of low-alloy steel in simulated concrete pore solution, Int. J. Miner. Metall. Mater., 24(2017), No. 1, pp. 64-74. https://doi.org/10.1007/s12613-017-1379-4
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研究论文

Influence of mill scale and rust layer on the corrosion resistance of low-alloy steel in simulated concrete pore solution

  • Jiangsu Key Laboratory of Construction Materials, School of Materials Science and Engineering, Southeast University, Nanjing 211189, China

  • 通讯作者:

    Jin-jie Shi    E-mail: jinjies@126.com

  • Electrochemical impedance spectroscopy, cyclic potentiodynamic polarization measurements, and scanning electron microscopy in conjunction with energy-dispersive X-ray spectroscopy were used to investigate the influence of mill scale and rust layer on the passivation capability and chloride-induced corrosion behaviors of conventional low-carbon (LC) steel and low-alloy (LA) steel in simulated concrete pore solution. The results show that mill scale exerts different influences on the corrosion resistance of both steels at various electrochemical stages. We propose that the high long-term corrosion resistance of LA steel is mainly achieved through the synergistic effect of a gradually formed compact, adherent and well-distributed Cr-enriched inner rust layer and the physical barrier protection effect of mill scale.
    • Research Article

    Influence of mill scale and rust layer on the corrosion resistance of low-alloy steel in simulated concrete pore solution

    + Author Affiliations
      Abstract
    • Electrochemical impedance spectroscopy, cyclic potentiodynamic polarization measurements, and scanning electron microscopy in conjunction with energy-dispersive X-ray spectroscopy were used to investigate the influence of mill scale and rust layer on the passivation capability and chloride-induced corrosion behaviors of conventional low-carbon (LC) steel and low-alloy (LA) steel in simulated concrete pore solution. The results show that mill scale exerts different influences on the corrosion resistance of both steels at various electrochemical stages. We propose that the high long-term corrosion resistance of LA steel is mainly achieved through the synergistic effect of a gradually formed compact, adherent and well-distributed Cr-enriched inner rust layer and the physical barrier protection effect of mill scale.
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