Time-resolved USAXS beamline is a bemline dedicated to study microstructures of materials by hard X-ray ultrasmall angle scattering from nanoscale to microscale. The energy of the beamline covers from 8keV to 15KeV. At the beamline, the experimental methods contain time-resolved ultra-small angle X-ray scattering (USAXS), and small angle X-ray scattering (SAXS)/ wide angle X-ray scattering (WAXS) techniques, microfocus SAXS technology, etc.. The scientific goals of the beamline focus on: 1) the internal multi-level structural evolution mechanism of materials in the field environment or in the industrial processes; 2) structural evolution during self-assembly and non-equilibrium dynamics; 3) local microstructures and structural evolution of the materials.

There are three endstations: USAXS endstation, microfocus SAXS endstation and industrial application endstation. The photon flux at the USAXS focus point is about 1.0×1013phs/s. The focus beamsize is about 10μm×10μm at microfocus endstation. At microfocus SAXS endstation, microfocus small-angle X-ray scattering technique is avaible to analyze the microdomain structure of materials; at industrial application endstation, time-resolved small-angle/wide-angle X-ray scattering is used to study structural evolution behavior and mechanism of polymer and fiber during processing processes.