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首页> 外文期刊>ACS applied materials & interfaces >Self-Healable Superomniphobic Surfaces for Corrosion Protection
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Self-Healable Superomniphobic Surfaces for Corrosion Protection

机译：用于腐蚀保护的自我恢复的超级肌瘤表面

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摘要

Corrosion-protective surfaces are of the utmost relevance to ensure long-term stability and reliability of metals and alloys by limiting their interactions with corrosive species, such as water and ions. However, their practical applications are often limited either by the inability to repel low surface tension liquids such as oils and alcohols or by poor mechanical durability. Here, a superomniphobic surface is reported that can display very high contact angles for both high and low surface tension liquids as well as for concentrated acids and bases. Such extreme repellency allowed for approximately 20% of the corrosion rate compared to the conventional superhydrophobic corrosion protective coatings. Furthermore, the superomniphobic surface can autonomously repair mechanical damage at an elevated temperature (60 degrees C) within a short period of time (60 s), and the surface can restore its intrinsic corrosion protection performance. Such superomniphobic surfaces thus offer a wide range of potential applications, including pipelines, with sustainable corrosion protection and rust inhibitors for steel in reinforced concrete.
机译：通过限制与腐蚀性物种（例如水和离子）的相互作用，腐蚀保护表面具有最大的相关性，以确保金属和合金的长期稳定性和可靠性。然而，它们的实际应用通常通过无法阻止低表面张力液体，例如油和醇或机械耐久性差。这里，报告了超级肌瘤表面，其可以为高和低表面张力液以及浓酸和碱来显示非常高的接触角。与传统的超疏水腐蚀保护涂层相比，这种极端排斥性约20％的腐蚀速率。此外，超级肌瘤表面可以在短时间内自动修复升高的温度（60℃），并且表面可以恢复其内在腐蚀保护性能。因此，这种超级尼芯片表面提供了各种潜在的应用，包括管道，可持续腐蚀保护和钢筋混凝土中的钢防锈剂。

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