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首页> 外文期刊>Journal of Materials Engineering and Performance >The Corrosion Behavior of Zn/Graphene Oxide Composite Coatings Fabricated by Direct Current Electrodeposition
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The Corrosion Behavior of Zn/Graphene Oxide Composite Coatings Fabricated by Direct Current Electrodeposition

机译：通过直流电沉积制造的Zn /石墨烯氧化物复合涂层的腐蚀行为

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摘要

The zinc (Zn) and Zn/graphene oxide (Zn/GO) composite coatings on the mild steel were fabricated by direct current electrodeposition from an acidic chloride bath without GO and that with four different concentrations (50, 100, 200 and 300 mg/L) of GO, respectively. The GO first is synthesized by using the typical Hummer method. Physical characterizations including the surface and cross-sectional morphology, chemical composition and crystal structure of the Zn and Zn/GO composite coatings were done by scanning electron microscope, energy-dispersive x-ray and x-ray diffraction. The crystalline size, texture coefficient, water contact angle and hardness of the Zn and Zn/GO composite coatings were measured. The corrosion behavior of the Zn and Zn/GO composite coatings was studied by the electrochemical corrosion tests including the potentiodynamic polarization test and the electrochemical impedance spectroscopy test and the immersion test. The result reveals that the corrosion resistance of the Zn coating is remarkably increased by the incorporation of GO. Furthermore, it does not show a linear increase with the increase in the amount of incorporated GO and an optimal corrosion resistance is provided by the Zn/GO composite coating attained from the electrolyte containing 100 mg/L GO. The influence of the incorporation of GO on the corrosion resistance of the Zn coating is explained in combination with their physical characterizations.
机译：通过从酸性氯化物浴的直流电沉积没有去的情况下，在低碳钢上制造温和钢上的锌（Zn）和Zn / Go / Go）复合涂层，而具有四种不同的浓度（50,100,200和300mg / l）分别为止。首先通过使用典型的悍马方法来合成。通过扫描电子显微镜，能量分散X射线和X射线衍射进行Zn和Zn / Go复合涂层的表面和横截面形态，化学成分和晶体结构的物理特征。测量Zn和Zn / Go复合涂层的结晶尺寸，纹理系数，水接触角和硬度。通过电化学腐蚀试验和电化学阻抗光谱试验和浸渍试验研究了Zn和Zn / Go复合涂层的腐蚀行为。结果表明，通过掺入，Zn涂层的耐腐蚀性显着增加。此外，它没有显示随着掺入量的增加而增加的线性增加，并且通过从含有100mg / L的电解质的电解质获得的Zn /去复合涂层提供最佳耐腐蚀性。将继续掺入Zn涂层腐蚀性的影响与它们的物理特征组合解释。

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  • 来源
  • 作者

    Shen Xixun; Sheng Junwei; Zhang Qinghui; Xu Qunjie; Cheng Danhong;

  • 作者单位

    Shanghai Univ Elect Power Shanghai Engn Res Ctr Energy Saving Heat Exchange Shanghai Key Lab Mat Protect &

    Adv Mat Elect Powe Shanghai 200090 Peoples R China;

    Shanghai Univ Elect Power Shanghai Engn Res Ctr Energy Saving Heat Exchange Shanghai Key Lab Mat Protect &

    Adv Mat Elect Powe Shanghai 200090 Peoples R China;

    Shanghai Univ Elect Power Shanghai Engn Res Ctr Energy Saving Heat Exchange Shanghai Key Lab Mat Protect &

    Adv Mat Elect Powe Shanghai 200090 Peoples R China;

    Shanghai Univ Elect Power Shanghai Engn Res Ctr Energy Saving Heat Exchange Shanghai Key Lab Mat Protect &

    Adv Mat Elect Powe Shanghai 200090 Peoples R China;

    Shanghai Univ Elect Power Shanghai Engn Res Ctr Energy Saving Heat Exchange Shanghai Key Lab Mat Protect &

    Adv Mat Elect Powe Shanghai 200090 Peoples R China;

  • 收录信息
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类 金属学与金属工艺;工程材料学;
  • 关键词

    corrosion; electrodeposition; graphene oxide; zinc;

    机译：腐蚀;电沉积;石墨烯氧化物;锌;

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