Research on the effects of cone platen upsetting on the morphology of non-metallic inclusion in the center of forgings

A numerical and experimental investigation about effects of cone plate upsetting on the plastic inclusion morphology in the center of forgings was carried out in this paper. The results show that radial dimension of inclusion zone after cone plate upsetting is 80% of the flat plate upsetting under the condition of thermal-mechanical model. However, the percentage is only 70% when cooling influence of anvils on the workpiece is ignored. The constant temperature model is acceptable by upsetting of heavy forgings. The radial deformation degree of inclusion in the center of forgings could be even smaller than average deformation degree of whole workpiece by cone plate upsetting of heave forgings if some measures of lubrication.