  We investigate the nonequilibrium behavior of dense, plastic-crystalline
suspensions of mildly anisotropic colloidal hard dumbbells under the action of
an oscillatory shear field by employing Brownian dynamics computer simulations.
In particular, we extend previous investigations, where we uncovered novel
nonequilibrium phase transitions, to other aspect ratios and to a larger
nonequilibrium parameter space, that is, a wider range of strains and shear
frequencies. We compare and discuss selected results in the context of novel
scattering and rheological experiments. Both simulations and experiments
demonstrate that the previously found transitions from the plastic crystal
phase with increasing shear strain also occur at other aspect ratios. We
explore the transition behavior in the strain-frequency phase and summarize it
in a nonequilibrium phase diagram. Additionally, the experimental rheology
results hint at a slowing down of the colloidal dynamics with higher aspect
ratio.
