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首页> 外文期刊>Journal of coatings technology and research >The effects of pulse plating variables on morphology and corrosion behavior of Zn-Fe alloy coatings
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The effects of pulse plating variables on morphology and corrosion behavior of Zn-Fe alloy coatings

机译：脉冲镀覆变量对锌铁合金镀层形貌和腐蚀行为的影响

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摘要

Considerable researches have been focused on zinc-iron (Zn-Fe) alloy coatings due to their superior characteristics among zinc alloy electrodepos-its in recent years. The corrosion behavior of these coatings depends on the phase structure and morphology of the Zn-Fe deposits. In this work the effects of pulse plating variables such as current density, off-time, frequency and pulse modes on the morphology and phase structure of Zn-Fe deposits was studied by scanning electron microscopy (SEM), X-ray diffraction (XRD) and energy dispersive spectrometry (EDS) analysis. The corrosion behavior of these coatings was measured by means of polarization curves and Neutral salt spray tests. It was shown that pulse reverse coatings exhibit excellent resistance to corrosion in comparison with normal pulse and direct current conditions.
机译：近年来，由于锌铁（Zn-Fe）合金涂层在锌合金电沉积中的优越性能，因此已经进行了大量研究。这些涂层的腐蚀行为取决于Zn-Fe沉积物的相结构和形态。在这项工作中，通过扫描电子显微镜（SEM），X射线衍射（XRD）研究了诸如电流密度，关闭时间，频率和脉冲模式等脉冲镀覆变量对Zn-Fe沉积物的形态和相结构的影响。和能量色散光谱（EDS）分析。通过极化曲线和中性盐雾试验测量了这些涂层的腐蚀行为。结果表明，与常规脉冲和直流条件相比，脉冲反向涂层显示出优异的耐腐蚀性。

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