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首页> 外文期刊>Frontiers of materials science >A comparison of corrosion inhibition of magnesium aluminum and zinc aluminum vanadate intercalated layered double hydroxides on magnesium alloys
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A comparison of corrosion inhibition of magnesium aluminum and zinc aluminum vanadate intercalated layered double hydroxides on magnesium alloys

机译：镁铝合金和钒酸锌铝插层双氢氧化物对镁合金的缓蚀性能比较

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摘要

The magnesium aluminum and zinc aluminum layered double hydroxides intercalated with NO ~(3)_(-) (MgAl-NO~(3)-LDH and ZnAl-NO~(3)-LDH) were prepared by the coprecipitation method, and the magnesium aluminum and the zinc aluminum layered double hydroxides intercalated with VO ~( x )_(-) (MgAl-VO~( x )-LDH and ZnAl-VO~( x )-LDH) were prepared by the anion-exchange method. Morphologies, microstructures and chemical compositions of LDHs were investigated by SEM, EDS, XRD, FTIR, Raman and TG analyses. The immersion tests were carried to determine the corrosion inhibition properties of MgAl-VO~( x )-LDH and ZnAl-VO~( x )-LDH on AZ31 Mg alloys. The results showed that ZnAl-VO~( x )-LDH possesses the best anion-exchange and inhibition abilities. The influence of treatment parameters on microstructures of LDHs were discussed. Additionally, an inhibition mechanism for ZnAl-VO~( x )-LDH on the AZ31 magnesium alloy was proposed and discussed.
机译：通过共沉淀法制备了插有NO〜（3）_（-）（MgAl-NO〜（3）-LDH和ZnAl-NO〜（3）-LDH）的镁铝和锌铝层状双氢氧化物，用阴离子交换法制备了插有VO〜（x）_（-）（MgAl-VO〜（x）-LDH和ZnAl-VO〜（x）-LDH）的镁铝和锌铝层状双氢氧化物。通过SEM，EDS，XRD，FTIR，拉曼和TG分析研究了LDH的形态，微观结构和化学组成。进行浸没测试以确定MgAl-VO〜（x）-LDH和ZnAl-VO〜（x）-LDH对AZ31 Mg合金的腐蚀抑制性能。结果表明，ZnAl-VO〜（x）-LDH具有最佳的阴离子交换和抑制能力。讨论了处理参数对LDHs微观结构的影响。提出并讨论了ZnAl-VO〜（x）-LDH对AZ31镁合金的抑制机理。

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  • 来源
    《Frontiers of materials science》 |2018年第2期|198-206|共9页
  • 作者

    Lian Guo; Fen Zhang; Jun-Cai Lu; Rong-Chang Zeng; Shuo-Qi Li; Liang Song; Jian-Min Zeng;

  • 作者单位

    College of Material Science and Engineering, Shandong University of Science and Technology;

    College of Material Science and Engineering, Shandong University of Science and Technology;

    College of Material Science and Engineering, Shandong University of Science and Technology;

    College of Material Science and Engineering, Shandong University of Science and Technology;

    College of Material Science and Engineering, Shandong University of Science and Technology;

    College of Material Science and Engineering, Shandong University of Science and Technology;

    School of Materials Science and Engineering, Guangxi University;

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  • 原文格式 PDF
  • 正文语种 eng
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  • 关键词

    layered double hydroxides; anion-exchange; thermal stability; magnesium alloys; inhibition;

    机译：层状双氢氧化物阴离子交换热稳定性镁合金缓蚀;

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