  In this research, Mechanical response and energy absorption of ceramic foam
sandwich panels filled with Newtonian and non-Newtonian fluid subjected to
quasi-static indentation loads were investigated experimentally. In addition,
the effects of number of face-sheet layers (face-sheet thickness) and boundary
conditions on the mechanical response and energy absorption of sandwich panels
were discussed. Sandwich panels consisted of two glass/epoxy face-sheets with
different thicknesses (4 and 8 layers) and an open cell ceramic foam core. This
foam saturated with Newtonian (Glycerol) and non-Newtonian (mixture of Ethylene
glycol and Aerosil) fluids. Sandwich panels were tested in two different kinds
of supporting conditions, simply-supported and fully fixed (clamped). Results
showed that damage area in neat composite and STF filled sandwich panels are
much higher than the glycerol filled foam core sandwich panels. Also, STF
saturated sandwich panels absorbed higher energy compared with two other type
of sandwich panels during quasi-static punch shear test.
