  As an example for history dependent mechanical behaviour of cohesive powders
experiments and computer simulations of uniaxial consolidation are compared.
Some samples were precompacted transversally to the consolidation direction and
hence had a different history. The experiments were done with two carbonyl iron
powders, for which the average particle diameters differed by a factor of ca.
2. Whereas the particle diameter was the only characteristic length in the
simulations, the evaluation of the experimental data indicates that at least a
second characteristic length must be present.
