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Shear-Mode Contact Splitting for a Microtextured Elastomer Film

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Abstract

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Texturing the surface of a PDMS film with microscale pillars allows shear load to be uniformly distributed through the interface that bonds the film to a rigid substrate. This mechanism is demonstrated with shear tests on micropatterned samples and explains the order-of-magnitude enhancement of shear adhesion compared to smooth, untextured PDMS films.

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