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Adhesion hysteresis of a film-terminated fibrillar array 被引量:1
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作者 YAN ShunPing HE LingHui WANG HuiJing 《Science China(Physics,Mechanics & Astronomy)》 SCIE EI CAS 2012年第6期1026-1031,共6页
Motivated by the recent biomimic design of microstructured adhesive surfaces,we study adhesion between a film-terminated fibrillar array and a rigid substrate.Using a two-dimensional model and ignoring the deformation... Motivated by the recent biomimic design of microstructured adhesive surfaces,we study adhesion between a film-terminated fibrillar array and a rigid substrate.Using a two-dimensional model and ignoring the deformation of the fibers and the backing layer,we show that the adhesion behavior is dominated by a dimensionless parameter reflecting the global flexibility of the terminal film.In particular,if the parameter is larger than 0.4,the adhesion is reversible;otherwise one or more hysteresis loops will appear after an approach-retraction cycle,leading to significant increase in the specific separation work.The result is expected to help not only optimal design of the structure,but also other applications such as micro-manipulation in micromechanical systems. 展开更多
关键词 adhesion hysteresis film-terminated fibrillar array intermolecular force
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