Creep, Yielding, and Resolidification of Colloidal Suspensions under in situ Constant Stress

This project aims to combine Rheology, Small Angle X-ray Scattering, and X-ray Photon Correlation Spectroscopy (Rheo-SAXS-XPCS) to measure the velocity profiles in the process of creep, yielding, and resolidification in colloidal suspensions under constant stress. in situ Rheo-SAXS-XPCS provides experimental evidence for a direct link between attractive interactions and macroscopic rheological properties, such as rheological hysteresis and shear banding. In situ Rheology, SAXS and XPCS will be used to connect the microscopic structure and dynamics to the macroscopic mechanical properties.