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@ARTICLE{Tiwari:904571,
author = {Tiwari, Avinash and Tolpekina, T. and Benthem, Hans van and
Gunnewiek, M. K. and Persson, B. N. J.},
title = {{R}ubber {A}dhesion and {F}riction: {R}ole of {S}urface
{E}nergy and {C}ontamination {F}ilms},
journal = {Frontiers in mechanical engineering},
volume = {6},
issn = {2297-3079},
address = {Lausanne},
publisher = {Frontiers Media},
reportid = {FZJ-2021-06141},
pages = {620233},
year = {2021},
abstract = {We study the influence of the surface energy and
contamination films on rubber adhesion and sliding friction.
We find that there is a transfer of molecules from the
rubber to the substrate which reduces the work of adhesion
and makes the rubber friction insensitive to the substrate
surface energy. We show that there is no simple relation
between adhesion and friction: adhesion is due to (vertical)
detachment processes at the edge of the contact regions
(opening crack propagation), while friction in many cases is
determined mainly by (tangential) stick-slip instabilities
of nanosized regions, within the whole sliding contact. Thus
while the pull-off force in fluids may be strongly reduced
(due to a reduction of the work of adhesion), the sliding
friction may be only slightly affected as the area of real
contact may be dry, and the frictional shear stress in the
contact area nearly unaffected by the fluid.},
cin = {IAS-1 / PGI-1},
ddc = {620},
cid = {I:(DE-Juel1)IAS-1-20090406 / I:(DE-Juel1)PGI-1-20110106},
pnm = {5211 - Topological Matter (POF4-521)},
pid = {G:(DE-HGF)POF4-5211},
typ = {PUB:(DE-HGF)16},
UT = {WOS:000682668500001},
doi = {10.3389/fmech.2020.620233},
url = {https://juser.fz-juelich.de/record/904571},
}