Simulation of the compaction process of a two-level powder metallurgical part

In this work, a plasticity model for granular materials, based on the Drucker–Prager/CAP model, is applied to represent the behaviour of the metallic powders during their cold die compaction. The elastic deformation has been simulated by means of a non-linear law. These constitutive equations have been implemented in a commercial code to simulate the compaction and ejection processes of a two-level powder metallurgical part.