一种受甲虫启发的水下黏附解决方案。
A beetle-inspired solution for underwater adhesion.
作者信息
Varenberg M, Gorb S
机构信息
Department of Thin Films and Biological Systems, Max Planck Institute for Metals Research, Heisenbergstrasse 3, Stuttgart 70569, Germany.
出版信息
J R Soc Interface. 2008 Mar 6;5(20):383-5. doi: 10.1098/rsif.2007.1171.
Abstract
Glue-free reversible adhesion was achieved underwater using a beetle-inspired mushroom-shaped fibrillar microstructure. Structured surfaces reveal a 25% increase in pull-off force when immersed in water and their underwater attachment is 20 times more effective than that of flat surfaces. The van der Waals interaction that underlies the adhesion of the mushroom-shaped fibrillar microstructure is significantly enhanced by a suction effect when underwater. This results in a higher adhesive capability of the material, with potential in medicine, bio- and marine technologies and a range of applications in liquid-dominated environments.
摘要
利用受甲虫启发的蘑菇状纤维微观结构，在水下实现了无胶可逆粘附。结构化表面在浸入水中时，其拉脱力提高了25%，并且它们在水下的附着力比平面高20倍。水下时，蘑菇状纤维微观结构粘附所基于的范德华相互作用通过吸力效应得到显著增强。这导致该材料具有更高的粘附能力，在医学、生物和海洋技术以及在以液体为主的环境中的一系列应用中具有潜力。
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