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Measuring Material Microstructure Under Flow Using 1-2 Plane Flow-Small Angle Neutron Scattering
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Measuring Material Microstructure Under Flow Using 1-2 Plane Flow-Small Angle Neutron Scattering

Article DOI: 10.3791/51068-v • 09:08 min • February 6th, 2014
February 6th, 2014 •
1, 1, 1, 1,2, 2, 1,3
1Center for Neutron Science, Department of Chemical and Biomolecular Engineering, University of Delaware, 2NIST Center for Neutron Research, National Institute of Standards and Technology, 3Institut Laue-Langevin

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A shear cell is developed for small-angle neutron scattering measurements in the velocity-velocity gradient plane of shear and is used to characterize complex fluids. Spatially resolved measurements in the velocity gradient direction are possible for studying shear-banding materials. Applications include investigations of colloidal dispersions, polymer solutions, and self-assembled structures.

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Material Microstructure Flow Measurement Small-angle Neutron Scattering Shear Flow SANS Shear Cell Couette Geometry Vorticity Direction Bulk Rheology Microstructural Features Shear Banding Spatially Resolved Measurements Narrow Aperture Velocity Gradient Direction Time Resolved Experiments Wormlike Micelle Solution
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