Abstract:A highly reusable synthetic gecko-inspired adhesive has been developed using angled polydimethylsiloxane (PDMS) semicircular microscale fiber arrays, retaining up to 77% of the initial adhesion force over 10,000 repeated test cycles against a flat glass puck without exhibiting fiber wear. The dynamic adhesion and shear force measurements demonstrate the importance of specific shearing articulation to effectively switch the adhesion obtained from a maximum of 9.4 kPa for attachment to a minimum of zero for easy… Show more
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