An Interlayer of Multiple Microscale Hollow Channels Enhances the Durability of Surface Topographies,ChemNanoMat

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An Interlayer of Multiple Microscale Hollow Channels Enhances the Durability of Surface Topographies
ChemNanoMat ( IF 2.6 ) Pub Date : 2020-01-24 , DOI: 10.1002/cnma.201900726
Zhanlai Ding ₁ , Jing Yang ₂ , Peiliu Li ₃ , Yan Xing ₄ , Shousheng Tang ₅ , Lei Wang ₅

Affiliation

Self‐cleaning plays a significant role for natural beings, as it keeps surfaces dry and clean, which is beneficial for lowering the body's weight, absorbing more light, and preventing rotting. Various topographies have been created by nature to achieve these goals. The stability of surface topography is the most essential element for maintaining these functions. Here, we report a new method for lowering the elastic modulus and enhancing the durability of surface topography. In this study, we find that multi micro hollow channels interlayer of Lycorma Delicatula's wing could effectively transfer the stress from the upper surface to the interlayer and decrease the stress concentration on the surface nano‐topography, which enhances the durability of its surface functions. The simulation and artificial surface illustrate that this new design method provides a new way to decrease the elastic modulus and enhance topographic stability.

中文翻译：

多个微尺度空心通道的中间层增强了表面形貌的耐久性

自清洁对自然界起着重要作用，因为它可使表面保持干燥和清洁，这有利于减轻身体的重量，吸收更多的光并防止腐烂。自然界已经创造了各种地形来实现这些目标。表面形貌的稳定性是维持这些功能的最重要要素。在这里，我们报告了一种降低弹性模量和增强表面形貌耐久性的新方法。在这项研究中，我们发现Lycorma Delicatula机翼的多个微空心通道中间层可以有效地将应力从上表面传递到中间层，并降低表面纳米形貌上的应力集中，从而增强其表面功能的耐久性。

更新日期：2020-01-24

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