通过电沉积获得的 Ni-SiO2 超疏水性涂层的制备及其特性

IF 2.6 3区材料科学 Q3 MATERIALS SCIENCE, MULTIDISCIPLINARY

Metals Pub Date : 2024-09-14 DOI:10.3390/met14091047

Jianguo Liu, Songlin Tong, Shuaihua Wang, Zhiyao Wan, Xiao Xing, Gan Cui

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引用次数: 0

摘要

超疏油性涂层在许多领域都显示出巨大的潜力，如防腐蚀、耐高温、自清洁和减少阻力等性能。然而，由于其涂层的稳定性较差，很难大规模应用。本文采用复合电沉积法在钢表面共沉积两种 SiO2 颗粒和镍，构建微米/纳米双尺度结构。然后用低表面能材料 1H,1H,2H,2H-全氟癸基三乙氧基硅烷（AC-FAS）对涂层表面进行氟化处理，制备出 Ni-SiO2 超疏水性涂层。涂层的水接触角为 159°，油接触角为 151°。系统研究了纳米粒子浓度对涂层润湿性和表面形态的影响。对比实验表明，最佳的微/纳米粒子浓度为 8 g/L 的 20 nm SiO2 和 2 g/L 的 1 μm SiO2。这种制备方法大大提高了涂层的耐腐蚀性、耐磨性、化学稳定性和耐高温性。

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The Preparation and Properties of a Ni-SiO2 Superamphiphobic Coating Obtained by Electrodeposition

Superamphiphobic coatings have shown great potential in many fields such as with their anti-corrosion, high-temperature resistance, self-cleaning, and drag reduction properties. However, due to the poor stability of their coatings, it is difficult to apply them on a large scale. In this paper, two kinds of SiO2 particles and nickel were co-deposited on the surface of steel to construct a micro/nano dual-scale structure by composite electrodeposition. The surface of the coating was then fluorinated with the low-surface-energy material 1H,1H,2H,2H-Perfluorodecyltriethoxysilane (AC-FAS) to prepare a Ni-SiO2 superamphiphobic coating. The coating has a water contact angle of 159° and an oil contact angle of 151°. The effect of nanoparticle concentration on the wettability and surface morphology of the coating was systematically studied. Comparative experiments revealed that the optimal micro/nanoparticle concentrations were 8 g/L of 20 nm SiO2 and 2 g/L of 1 μm SiO2. This preparation method greatly improves the corrosion resistance, wear resistance, chemical stability, and high-temperature resistance of the coating.

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来源期刊

Metals MATERIALS SCIENCE, MULTIDISCIPLINARY-METALLURGY & METALLURGICAL ENGINEERING

CiteScore

4.90

自引率

13.80%

发文量

1832

审稿时长

1.5 months

期刊介绍： Metals (ISSN 2075-4701) is an open access journal of related scientific research and technology development. It publishes reviews, regular research papers (articles) and short communications. Our aim is to encourage scientists to publish their experimental and theoretical results in as much detail as possible. Therefore, there is no restriction on the length of the papers. The full experimental details must be provided so that the results can be reproduced. Metals provides a forum for publishing papers which advance the in-depth understanding of the relationship between the structure, the properties or the functions of all kinds of metals.