Shear adhesion strength of thermoplastic gecko-inspired synthetic adhesive exceeds material limits.

@article{Gillies2011ShearAS,
  title={Shear adhesion strength of thermoplastic gecko-inspired synthetic adhesive exceeds material limits.},
  author={Andrew G. Gillies and Ronald S. Fearing},
  journal={Langmuir : the ACS journal of surfaces and colloids},
  year={2011},
  volume={27 18},
  pages={11278-81}
}
Natural gecko array wearless dynamic friction has recently been reported for 30,000 cycles on a smooth substrate. Following these findings, stiff polymer gecko-inspired synthetic adhesives have been proposed for high-cycle applications such as robot feet. Here we examine the behavior of high-density polyethylene (HDPE) and polypropylene (PP) microfiber arrays during repeated cycles of engagement on a glass surface, with a normal preload of less than 40 kPa. We find that fiber arrays maintained… CONTINUE READING
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