2016
DOI: 10.1115/1.4034530
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Abstract: Pastewka & Robbins (PNAS, 111(9), [3298][3299][3300][3301][3302][3303] 2014) recently have proposed a criterion to distinguish when two surfaces will stick together or not, and suggested it shows a large conflict with asperity theories. It is found that their criterion corresponds very closely to the Fuller and Tabor asperity model one when bandwidth α is small, but otherwise involves a rms ampliture of roughness reduced by a factor √ α. Therefore, it implies the stickiness of any rough surface is the same a…

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