Abstract

The paper deals with the outcomes of investigations carried out to determine the impact of power intensification of a deformation process by means of applying additional axial pressure over the fronts of round billets. By increasing axial pressure, the value of Пσ index and the “rigidity” of the stressed state pattern drops down that promote redistribution of metal within the area of deformation. This resulted in 15% decrease of the index of swelling and 76 to 78% increase of the permissible level of swelling during deformation of low carbon steel specimen.