Abstract
The Copper samples were prepared by powder metallurgy route and conventional sintering. The objective of the present work is to study the effect of compaction pressure on the bulk hardness, densification behaviour and microstructure of the Copper. The Copper powder is compacted with compaction pressure 500, 600, 700 and 730 MPa. The sintering of all green compact is performed at 750°C for 1.5 hour in conventional muffle furnace. Compaction pressure highly influences the pore size as well as number of pores. With increase in compaction pressure the surface contact area of the powder particles increase which reduce the porosity. The maximum valve of the density and hardness is obtained for 700 MPa and 3 min dwell time. Different characterization techniques such as Scanning electron microscope (SEM), X-ray diffraction (XRD) were used to characterize the sintered copper.
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