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Preload-responsive adhesion of microfibre arrays to rough surfaces

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Abstract

Adhesion of bio-inspired microfibre arrays to a rough surface is studied theoretically. The array consists of vertical elastic rods fixed on a rigid backing layer, and the surface is modeled by rigid steps with a normally distributed height. Analytical expressions are obtained for the adhesion forces in both the approach and retraction processes. It is shown that, with the increasing preload, the pull-off force increases at first and then attains a plateau value. The results agree with the previous experiments and are expected helpful in adhesion control of the array in practical applications.

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Authors and Affiliations

  1. Chinese Academy of Science (CAS) Key Laboratory of Mechanical Behavior and Design of Materials, University of Science and Technology of China, Hefei, 230026, China

    Yuchen Zhang & Linghui He

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  1. Yuchen Zhang
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  2. Linghui He
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Correspondence to Linghui He.

Additional information

Project supported by the National Natural Science Foundation of China (No. 11132009) and the Collaborative Innovation Center of Suzhou Nano Science and Technology

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Zhang, Y., He, L. Preload-responsive adhesion of microfibre arrays to rough surfaces. Appl. Math. Mech.-Engl. Ed. 38, 155–160 (2017). https://doi.org/10.1007/s10483-017-2165-9

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  • DOI: https://doi.org/10.1007/s10483-017-2165-9

Keywords

Chinese Library Classification

2010 Mathematics Subject Classification

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