  We present a simple, efficient method, which combines uniaxial compression
and subsequent poling, to produce piezoelectric polyvinylidene fluoride-based
epoxy composites. The values of the piezoelectric factors obtained are slightly
higher than those of neat piezoelectric polyvinylidene fluoride. The composites
respond rapidly and reach a saturation voltage output, to the application of
mechanical stimulus quickly. The composites are promising for the creation of
bulk piezoelectric devices, different from the usual stretched films,
exploiting the physic-chemical a of the epoxy matrix. The piezoelectric factor
d31 versus the mechanical stimulus for the specimens studied, scale according
to a double logarithmic representation.
