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IS THERE NO PULL-OFF FOR ADHESIVE FRACTAL SURFACES?

Mike Ciavarella's picture
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In this short note we remark that, at least for the theory of Fuller & Tabor for the adhesive contact of rough random surfaces, fractal surfaces have a limiting zero pull-off force, for all fractal dimensions or amplitudes of roughness. This paradoxical result raises some questions. I ask the iMechanica community for opinions, comparisons of experiments, etc.

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