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首页> 外文期刊>ACS applied materials & interfaces >Controllable Interfacial Adhesion Applied to Transfer Light and Fragile Objects by Using Gecko Inspired Mushroom-Shaped Pillar Surface
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Controllable Interfacial Adhesion Applied to Transfer Light and Fragile Objects by Using Gecko Inspired Mushroom-Shaped Pillar Surface

机译：可控界面粘合力，通过壁虎启发的蘑菇形柱子表面应用于轻质和易碎物体的转移

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摘要

Gecko-inspired surfaces are smart dry adhesive surfaces that have attracted much attention because of their wide range of potential applications. However, strong frictional force, rather than adhesive force, is frequently targeted in most of research in this area. In this study, the interfacial adhesive and frictional properties of a gecko-inspired mushroom-shaped polyurethane pillar array surface have been systematically characterized to design and control the interfacial adhesion of the surface by considering the nanoscale interfacial adhesion, the microscale structural compliance and deformation, and the macro-scale actuation. Matching the movement of the leg springs and the interfacial adhesive characteristics between the pillar array surfaces and substrates, a three-legged clamp prototype has been designed and fabricated to successfully pick up and release light and fragile objects with a smooth upper surface, such as a silicon wafer. These results provide a new insight into not only the theoretical understanding of the integrating adhesion mechanisms, but also the practical applications of utilizing and controlling the adhesive and frictional forces of gecko-inspired surfaces.
机译：壁虎风格的表面是智能干胶表面，由于其广泛的潜在应用而备受关注。然而，在该领域的大多数研究中，通常将强摩擦力而不是粘合力作为目标。在这项研究中，系统地表征了壁虎启发的蘑菇形聚氨酯柱阵列表面的界面粘合性和摩擦性能，以通过考虑纳米级界面粘合性，微观尺度的结构顺应性和变形来设计和控制表面的界面粘合性，以及宏观驱动。为了匹配腿部弹簧的运动和支柱阵列表面与基板之间的界面粘合特性，设计并制造了三腿夹具原型，以成功拾取和释放具有光滑上表面的轻​​而易碎的物体，例如硅晶片。这些结果不仅为整合粘附机理的理论理解提供了新的见解，而且为利用和控制壁虎启发的表面的粘附力和摩擦力的实际应用提供了新的见解。

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