x-ray phase contrast imaging

The research — We use x-ray phase contrast imaging (XPCI) to study deformation and fracture of materials under dynamic loading on microsecond and sub-microsecond time scales. For example, we might like to measure the change in pore size distribution of a granular material such as sandstone under impact loading. Answering this question requires us to address theoretical and computational questions of XPCI image interpretation, and also poses an interesting challenge to the experimentalist.