Highly Anisotropic Vorticity Aligned Structures in a Shear Thickening Attractive Colloidal System

Vorticity aligned cylindrical flocs of carbon black particles are coincident with a primary shear thickening transition in steady flow and also appear as transient structures in the flow response of gels produced by a secondary shear thickening at high shear rates.
Comment: 6 pages, 7 figures v2: Added normal stress data; Added optical micrograph of structures under steady shear Published in Soft Matter