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A review on the application of inorganic nanoparticles in chemical surface coatings on metallic substrates

机译：无机纳米粒子在金属基体化学表面涂层中的应用综述

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Chemical surface coatings not only provide a powerful barrier between metallic substrates and their surroundings but also impart desired surface performances to an underlying substrate. Chemical surface coatings not only provide a powerful barrier between metallic substrates and their surroundings but also impart desired surface performances to an underlying substrate. Recently, the increasing public concern with industrial finishing systems has driven many investigations on the functional modification, such as the use of special chemical additives in the treatment bath, pre- and post-processing, of chemical surface coatings. However, these methods are being phased out due to their possible high-cost or harmful effects. Controlled addition of inorganic nanoparticles, without poison and contamination, to the treatment bath has become a good alternative due to the on-demand properties, including enhanced corrosion resistance and mechanical and functional properties, triggered by nanoparticles. This study focuses on the applications of inorganic nanoparticles in various chemical surface coatings such as electroless plating, electroplating, silane, and chemical conversion coatings. The discussed inorganic nanoparticles include TiO2, SiO2, Al2O3, ZrO2, SiC, ZnO, CeO2, MoS2, and diamond and graphite nanoparticles. This review is also concerned with the dispersion methods of inorganic nanoparticles as well as the formation mechanism of nanocomposite coatings.
机译：化学表面涂层不仅在金属基材及其周围环境之间提供了强大的屏障，而且还为基础基材赋予了所需的表面性能。化学表面涂层不仅在金属基材及其周围环境之间提供了强大的屏障，而且还为基础基材赋予了所需的表面性能。近来，公众对工业涂饰系统的日益关注促使人们进行了许多有关功能修改的研究，例如在化学镀膜的处理浴，预处理和后处理中使用特殊的化学添加剂。但是，由于这些方法可能产生高成本或有害影响，因此正在逐步淘汰它们。由于按需性能，包括由纳米颗粒引发的增强的耐腐蚀性以及机械和功能性能，控制地向处理浴中添加无毒无害的无机纳米颗粒已成为一种很好的选择。这项研究的重点是无机纳米颗粒在各种化学表面涂层中的应用，例如化学镀，电镀，硅烷和化学转化涂层。讨论的无机纳米粒子包括TiO 2 ，SiO 2 ，Al 2 O 3 ，ZrO 2 ，SiC，ZnO，CeO 2 ，MoS 2 以及金刚石和石墨纳米粒子。本文还涉及无机纳米粒子的分散方法以及纳米复合涂层的形成机理。

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