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@ARTICLE{Persson:201794,
author = {Persson, Bo and Scaraggi, M.},
title = {{T}heory of adhesion: {R}ole of surface roughness},
journal = {The journal of chemical physics},
volume = {141},
number = {12},
issn = {1089-7690},
address = {Melville, NY},
publisher = {American Institute of Physics},
reportid = {FZJ-2015-04088},
pages = {124701},
year = {2014},
abstract = {We discuss how surface roughness influences the adhesion
between elastic solids. We introduce a Tabor number which
depends on the length scale or magnification, and which
gives information about the nature of the adhesion at
different length scales. We consider two limiting cases
relevant for (a) elastically hard solids with weak (or long
ranged) adhesive interaction (DMT-limit) and (b) elastically
soft solids with strong (or short ranged) adhesive
interaction (JKR-limit). For the former cases we study the
nature of the adhesion using different adhesive force laws
(F ∼ u −n , n = 1.5–4, where u is the wall-wall
separation). In general, adhesion may switch from DMT-like
at short length scales to JKR-like at large (macroscopic)
length scale. We compare the theory predictions to results
of exact numerical simulations and find good agreement
between theory and simulation results.},
cin = {IAS-1 / PGI-1},
ddc = {540},
cid = {I:(DE-Juel1)IAS-1-20090406 / I:(DE-Juel1)PGI-1-20110106},
pnm = {424 - Exploratory materials and phenomena (POF2-424)},
pid = {G:(DE-HGF)POF2-424},
typ = {PUB:(DE-HGF)16},
UT = {WOS:000342844100055},
pubmed = {pmid:25273455},
doi = {10.1063/1.4895789},
url = {https://juser.fz-juelich.de/record/201794},
}