Theoretical studies of an axisymmetric compound flow problem of sintered preform

Abstract

The paper reports a theoretical investigation into the various aspects of an axisymmetric sintered compound flow problem of powder preforms which have been compacted and sintered from atomized metal powder. Many forging processes involve flow of preform in more than one direction. Die and process design require to determine the flow behaviour and the forging force. The analysis of a general axisymmetric problem is discussed and presented graphically here. In addition to the fundamental interest, it emphasizes the power of upper-bound analysis when applied to the prediction of compound sintered metal flow.