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HomeMaterials Science ForumMaterials Science Forum Vol. 1013Study on Polarization and Adhesion Property of...

Study on Polarization and Adhesion Property of Gecko Inspired Mushroom-Shaped Pillars

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Abstract:

Geckos can run swiftly on various surfaces, is not only related to the micro-nanostructure of their setae, but also related to the charged keratin in biological tissues of epidermis. Many gecko-inspired structural materials have been developed in order to obtain desired adhesion property. Much research has been done to improve their adhesion by changing chemical composition and optimizing micro-nanostructure, but little research has been done on the effect of surface charge. Therefore, this study aims to investigate the effect of surface charge on the adhesion of gecko-inspired materials, and to explore a new way to improve their adhesion performance. In this work, the dry adhesive materials made of polyvinylsiloxane (PVS) with mushroom-shaped pillars were polarized under high voltage. The results showed that polarized samples with the mushroom-shaped pillars facing the positive electrode have more negative charge, and the adhesion was improved a lot with increasing charge.

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Periodical:

Materials Science Forum (Volume 1013)

Pages:

19-24

DOI:

https://doi.org/10.4028/www.scientific.net/MSF.1013.19

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Online since:

October 2020

Authors:

Ming Yue Lu*, Yang Li, Qing Song He, Zhen Dong Dai

Keywords:

Adhesion, Charge, Gecko-Inspired, Polarized

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© 2020 Trans Tech Publications Ltd. All Rights Reserved

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