基于 Cu-SiC 电化学复合材料的机械强度超疏水涂层

IF 0.6 4区 材料科学 Q4 METALLURGY & METALLURGICAL ENGINEERING
V. G. Glukhov, I. G. Botryakova, N. A. Polyakov
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引用次数: 0

摘要

摘要 本文提出了一种形成具有相对较高机械强度的铜基超疏水电化学涂层的方法。电沉积铜与纳米碳化硅颗粒复合材料的方法被认为是获得这种涂层的主要方法。纳米颗粒团聚体和铜基体的电化学共沉积使获得所需的多模态粗糙度涂层成为可能。这种涂层经硬脂酸处理后,具有超疏水性。论文介绍了涂层的形态、超疏水性和化学成分数据。确定了形成这种涂层的最佳模式。根据机械测试结果,超疏水性 Cu-SiC 复合材料的耐干摩擦性能优于许多其他通过电化学方法形成的超疏水性涂层。所形成的涂层具有发达的表面形态,因此可以达到 162° 的润湿角。这就决定了在盐雾室中使用超疏水 Cu-SiC 复合材料涂层的铜具有更强的耐腐蚀性。铜在盐雾箱中出现第一个腐蚀损伤的时间从几个小时(无涂层)增加到 3.5 天(有涂层)。在这种情况下,涂层在超过一天的时间内仍然保持总体超疏水性,并且在失去超疏水性后仍然保持疏水性。
本文章由计算机程序翻译,如有差异,请以英文原文为准。

Mechanically Strong Superhydrophobic Coating Based on Cu–SiC Electrochemical Composite

Mechanically Strong Superhydrophobic Coating Based on Cu–SiC Electrochemical Composite

Mechanically Strong Superhydrophobic Coating Based on Cu–SiC Electrochemical Composite

The paper proposes a method for the formation of superhydrophobic electrochemical coatings based on copper with relatively high mechanical strength. The method of electrodeposition of copper composites with nanodispersed silicon carbide particles is considered as the main approach to obtaining such coatings. Electrochemical codeposition of nanoparticle agglomerates and a copper matrix makes it possible to obtain the required multimodal roughness of coatings. This coating, after treatment with stearic acid, acquires superhydrophobic properties. The paper presents data on the morphology, superhydrophobic properties and chemical composition of coatings. The optimal mode for the formation of such coatings has been determined. According to the results of mechanical tests, the superhydrophobic Cu–SiC composite is superior in resistance to dry friction to many other superhydrophobic coatings formed by electrochemical methods. The resulting coatings have a developed surface morphology, which makes it possible to achieve a wetting angle of 162°. This determines the increased corrosion resistance of copper coated with a superhydrophobic Cu–SiC composite in the salt spray chamber. The time until the first corrosion damages appears on copper in the salt spray chamber increases from several hours (without coating) to 3.5 days (with coating). In this case, the coating continues to remain generally superhydrophobic for more than a day, and after the loss of superhydrophobicity, it remains hydrophobic.

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来源期刊
Russian Journal of Non-Ferrous Metals
Russian Journal of Non-Ferrous Metals METALLURGY & METALLURGICAL ENGINEERING-
CiteScore
1.90
自引率
12.50%
发文量
59
审稿时长
3 months
期刊介绍: Russian Journal of Non-Ferrous Metals is a journal the main goal of which is to achieve new knowledge in the following topics: extraction metallurgy, hydro- and pirometallurgy, casting, plastic deformation, metallography and heat treatment, powder metallurgy and composites, self-propagating high-temperature synthesis, surface engineering and advanced protected coatings, environments, and energy capacity in non-ferrous metallurgy.
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