现代交通与冶金材料2024,Vol.4Issue(2) :89-94.DOI:XX.XXXX/j.issn.2097-017X.2024.02.014

碳含量对船体钢耐蚀性的影响

Effect of carbon content on corrosion resistance of hull steel

高峰 周乃鹏 李健 罗小兵 柴锋 杨才福
现代交通与冶金材料2024,Vol.4Issue(2) :89-94.DOI:XX.XXXX/j.issn.2097-017X.2024.02.014

碳含量对船体钢耐蚀性的影响

Effect of carbon content on corrosion resistance of hull steel

高峰 1周乃鹏 1李健 1罗小兵 1柴锋 1杨才福1
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作者信息

  • 1. 钢铁研究总院工程用钢研究院,北京 100081
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摘要

通过干湿循环腐蚀试验模拟热带海洋大气环境,采用光学显微镜、扫描电子显微镜、X射线衍射、动电位极化曲线、阻抗谱测试等表征手段,研究了不同碳含量对船体钢耐蚀性的影响.结果表明,降碳会减少钢中珠光体含量,使腐蚀产物中具有稳定结构的α-FeOOH的比例增加,从而提高基体的电位,并使得腐蚀产物膜层电阻和电荷转移电阻增大,形成粘附性好、稳定、致密的锈层,表现出良好的耐蚀性.

Abstract

The corrosion resistance of hull steel with different carbon content in a simulated tropical ma-rine atmosphere was systematically investigated by optical microscopy,scanning electron microscopy,X-ray diffraction,polarization curve,and electrochemical impedance spectroscopy tests.Results show that carbon reduction can reduce the pearlite content in steel and increase the proportion of α-FeOOH with a stable structure in the corrosion products.Thereby,enhancing the potential of the matrix and im-proving the corrosion product film and charge transfer resistance.Finally,it forms a well-adhered,stable,and dense rust layer with high corrosion resistance.

关键词

船体钢/碳含量/耐蚀性/热带海洋大气

Key words

hull steel/carbon content/corrosion resistance/tropical marine atmosphere

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出版年

2024
现代交通与冶金材料
江苏省冶金资产管理有限公司 江苏省金属学会

现代交通与冶金材料

CSTPCD
影响因子:0.282
ISSN:2097-017X
参考文献量21
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