INVESTIGATIONS INTO THE HIGH-SPEED FORGING OF SINTERED COPPER-POWDER STRIPS

The present paper reports on an investigation into the various technol ogical aspects of the high-speed forging of sintered copper powder str ips. Experiments were conducted and measurements were made in the deve lopment of barrelling, the strain variations at the free surface and d ensification during the high-speed forging of sintered copper powder s trips at room temperature under dry and lubricated conditions. The the oretical relationship between the frictional stress at the interface a nd other process variables is also discussed and the results are analy sed critically to illustrate the inter-action of various processing pa rameters involved during the high-speed forging of sintered copper pow der strips, these results bring presented graphically. (C) 1997 Elsevi er Science S.A.