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首页> 外文期刊>Applied Surface Science >Study of leading factors in formation of surface wavy structures on a rubber material
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Study of leading factors in formation of surface wavy structures on a rubber material

机译：橡胶材料表面波纹结构形成的主要因素研究

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摘要

Wavy structures are often observed on the surface of a rubber material (polydimethylsiloxane, PDMS) covered with a thin metallic film. In this study we demonstrate that the orientation, periodicity, location of formation, and range of periodicity of the wavy structures can be regulated by three leading factors including the surface pattern, substrate hardness and the thickness of the metallic film. Results show the orientation of the wavy structures can be adjusted by the location, shape and size of the surface patterns. Enhancement of the substrate hardness can prevent forming random wavy structures. The thickness of surface metallic film significantly influenced the periodicity of the structures. Experimental results revealed an increase of the thickness of surface Au film by 50 nm, the periodicity was increased roughly by 1 μm. A compound structure, combining longitudinally preset patterns and transversely induced wavy structures, and a parallel wavy structure fabricated, respectively, by suitable arrangement of pattern configurations and adjustment of substrate hardness were demonstrated. The relatively simple approaches proposed here show the potential application in fabrication of designated complicate structures.
机译：通常在覆盖有金属薄膜的橡胶材料（聚二甲基硅氧烷，PDMS）的表面上观察到波浪状结构。在这项研究中，我们证明了波浪结构的方向，周期性，形成位置和周期性范围可以通过三个主要因素来调节，这些主要因素包括表面图案，基材硬度和金属膜的厚度。结果表明，波浪形结构的方向可以通过表面图案的位置，形状和大小进行调整。基材硬度的提高可以防止形成随机的波浪状结构。表面金属膜的厚度显着影响结构的周期性。实验结果表明，表面金膜的厚度增加了50 nm，周期性大约增加了1μm。通过组合适当的图案结构和调整基板硬度，说明了分别组合纵向预设图案和横向感应波浪结构的复合结构和平行波浪结构。这里提出的相对简单的方法显示了在指定的复杂结构的制造中的潜在应用。

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