Sliding-induced adhesion of stiff polymer microfibre arrays. I. Macroscale behaviour.

@article{Lee2008SlidinginducedAO,
  title={Sliding-induced adhesion of stiff polymer microfibre arrays. I. Macroscale behaviour.},
  author={Jongho Lee and Carmel Majidi and Bryan Schubert and Ronald S. Fearing},
  journal={Journal of the Royal Society, Interface},
  year={2008},
  volume={5 25},
  pages={835-44}
}
Gecko-inspired microfibre arrays with 42 million polypropylene fibres cm(-2) (each fibre with elastic modulus 1 GPa, length 20 microm and diameter 0.6 microm) were fabricated and tested under pure shear loading conditions, after removing a preload of less than 0.1 N cm(-2). After sliding to engage fibres, 2 cm2 patches developed up to 4N of shear force with an estimated contact region of 0.44 cm2. The control unfibrillated surface had no measurable shear force. For comparison, a natural setal… CONTINUE READING
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