FRIA Grant - Bio-Inspired Capillary Adhesion | BEAMS

FRIA Grant - Bio-Inspired Capillary Adhesion

PhD information
PhD student: 
Sophie GERNAY
Status: 
Running
Start date: 
01/10/2012
End date: 
30/09/2016
Research unit: 
Micro-Bio-Mechatronics
Research theme: 
Capillarity-assisted micromanipulation and assembly
Funding: 
Fonds pour la formation à la Recherche dans l'Industrie et l'Agriculture - FRIA
BEAMS supervisors
Co-promoter
External supervisors
Prof. Tristan GILET
Promoter

This thesis work intends to investigate the mechanisms of liquid-mediated adhesion observed in some invertebrates (spiders, beetles) that have hairy pads under their legs. Particular attention is given to the modulations of this adhesion that can lead to detachment and to the role played by the coupling between capillary forces and the elastic compliance of the hairs. This project aims at developing conception rules for an artificial gripper that would be able to manipulate micrometric objects. Although dry adhesion as used by geckos has already inspired many biomimetic devices, almost nothing has been said about wet adhesion from an engineering point of view. Moreover, the existing grippers always seem to consider that strong adhesion and fast detachment are incompatible, though both features coexist in the studied invertebrates.

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