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@ARTICLE{Rogers:21988,
author = {Rogers, S. and Kohlbrecher, J. and Lettinga, M.P.},
title = {{T}he molecular origin of stress generation in worm-like
micelles, using a rheo-{SANS} {LAOS} approach},
journal = {Soft matter},
volume = {8},
issn = {1744-683X},
address = {Cambridge},
publisher = {Royal Society of Chemistry (RSC)},
reportid = {PreJuSER-21988},
pages = {3831 - 3839},
year = {2012},
note = {Financial support by the German Research Foundation within
SFB TR 6, and the European Network Nanodirect (grant no.
NMP4-SL-2008-213948). The authors thank P. Ballesta for
fruitful discussions.},
abstract = {We combine large-amplitude oscillatory shear (LAOS) and
time-resolved small angle neutron scattering (t-SANS)
measurements on the dynamic response of a dispersion of
surfactant worm-like micelles. By viewing the response as
being the result of a sequence of physical processes, we
observe new features of the system response. We identify
three distinct frequency regimes including a high frequency
Maxwell-like, a yielding, and a settled flow regime. For
each regime we identify the molecular origins, on a Kuhn
segment scale, of the stress response. We show the ability
of the material to 'over-orient' pre-yielding, compared with
stationary flow. Finally, we present a stress-orientation
rule which is rate-based at low frequencies and strain-based
at high frequencies.},
keywords = {J (WoSType)},
cin = {ICS-3},
ddc = {530},
cid = {I:(DE-Juel1)ICS-3-20110106},
pnm = {BioSoft: Makromolekulare Systeme und biologische
Informationsverarbeitung / NANODIRECT - Toolbox for Directed
and Controlled Self-Assembly of nano-Colloids (213948)},
pid = {G:(DE-Juel1)FUEK505 / G:(EU-Grant)213948},
shelfmark = {Chemistry, Physical / Materials Science, Multidisciplinary
/ Physics, Multidisciplinary / Polymer Science},
typ = {PUB:(DE-HGF)16},
UT = {WOS:000306276300011},
doi = {10.1039/c2sm25569c},
url = {https://juser.fz-juelich.de/record/21988},
}