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000824635 037__ $$aFZJ-2016-07198
000824635 041__ $$aEnglish
000824635 1001_ $$0P:(DE-Juel1)168105$$aLang, Christian$$b0$$eCorresponding author
000824635 1112_ $$aInternational Soft Matter Conference$$cGrenoble$$d2016-09-12 - 2016-09-16$$gISMC$$wFrance
000824635 245__ $$aThe Connection between Biaxial Orientation and Shear Thinning for quasi ideal Rods
000824635 260__ $$c2016
000824635 3367_ $$033$$2EndNote$$aConference Paper
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000824635 520__ $$aWe use rheo-SANS measurements to determine the response of isotropic fd-virus suspensions to steady state shear flow. The complete orientational order parameter tensor is obtained as a function of shear rate by resolving the orientational ordering of the quasi-ideal rods in the two relevant scattering planes, the flow-gradient and the flow-vorticity plane.Microscopic ordering can be identified as the origin of the observed shear thinning. We obtain a master curve for different concentrations taking into account the appearent collective rotational diffusion coefficient. However, we need to do a scaling of the zero shear viscosity which matches the concentration dependence of self-diffusion of the rods. Using the Doi-Edwards-Kuzuu theory, a qualitative description of the rheological response is possible but the observation suggests that the contribution of shear induced energy to the positional entropy is larger than predicted. Moreover, we observe signs of biaxiality due to the combination of shear geometries.
000824635 536__ $$0G:(DE-HGF)POF3-551$$a551 - Functional Macromolecules and Complexes (POF3-551)$$cPOF3-551$$fPOF III$$x0
000824635 536__ $$0G:(EU-Grant)641839$$aDiStruc - Directed Colloidal Structure at the Meso-Scale (641839)$$c641839$$fH2020-MSCA-ITN-2014$$x1
000824635 7001_ $$0P:(DE-Juel1)130797$$aLettinga, M. P.$$b1
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000824635 9101_ $$0I:(DE-588b)5008462-8$$6P:(DE-Juel1)168105$$aForschungszentrum Jülich$$b0$$kFZJ
000824635 9101_ $$0I:(DE-588b)5008462-8$$6P:(DE-Juel1)130797$$aForschungszentrum Jülich$$b1$$kFZJ
000824635 9131_ $$0G:(DE-HGF)POF3-551$$1G:(DE-HGF)POF3-550$$2G:(DE-HGF)POF3-500$$3G:(DE-HGF)POF3$$4G:(DE-HGF)POF$$aDE-HGF$$bKey Technologies$$lBioSoft – Fundamentals for future Technologies in the fields of Soft Matter and Life Sciences$$vFunctional Macromolecules and Complexes$$x0
000824635 9141_ $$y2016
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