Abstract The influence of anisotropic work-hardening on the component properties and process forces in cold forging is investigated. focus material behaviour exhibited after strain path reversals. three steels characterized for large monotonic strains (equivalent up to 1.7) subsequent reversals (accumulated 2.5). Tensile tests specimens extracted from rods forward extruded at room temperature r...

Abstract This paper presents the results of a study investigating cold forging process for producing hollow balls with different wall thicknesses. The was performed by FEM numerical modelling, which made it possible to obtain wide spectrum results. For analysis obtained problematic cases (shape defects in forged balls), novel hypotheses interpretation are proposed. model and then verified via e...