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@ARTICLE{Hutt:860453,
author = {Hutt, W. and Persson, Bo},
title = {{S}oft matter dynamics: {A}ccelerated fluid squeeze-out
during slip},
journal = {The journal of chemical physics},
volume = {144},
number = {12},
issn = {1089-7690},
address = {Melville, NY},
publisher = {American Institute of Physics},
reportid = {FZJ-2019-01207},
pages = {124903},
year = {2016},
abstract = {Using a Leonardo da Vinci experimental setup (constant
driving force), we study the dependency of lubricated rubber
friction on the time of stationary contact and on the
sliding distance. We slide rectangular rubber blocks on
smooth polymer surfaces lubricated by glycerol or by a
grease. We observe a remarkable effect: during stationary
contact the lubricant is only very slowly removed from the
rubber-polymer interface, while during slip it is very
rapidly removed resulting (for the grease lubricated
surface) in complete stop of motion after a short time
period, corresponding to a slip distance typically of order
only a few times the length of the rubber block in the
sliding direction. For an elastically stiff material,
poly(methyl methacrylate), we observe the opposite effect:
the sliding speed increases with time (acceleration), and
the lubricant film thickness appears to increase. We propose
an explanation for the observed effect based on transient
elastohydrodynamics, which may be relevant also for other
soft contacts},
cin = {IAS-1 / PGI-1 / JARA-FIT / JARA-HPC},
ddc = {530},
cid = {I:(DE-Juel1)IAS-1-20090406 / I:(DE-Juel1)PGI-1-20110106 /
$I:(DE-82)080009_20140620$ / $I:(DE-82)080012_20140620$},
pnm = {141 - Controlling Electron Charge-Based Phenomena
(POF3-141)},
pid = {G:(DE-HGF)POF3-141},
typ = {PUB:(DE-HGF)16},
pubmed = {pmid:27036475},
UT = {WOS:000373644400058},
doi = {10.1063/1.4944384},
url = {https://juser.fz-juelich.de/record/860453},
}