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Powder compaction is a key process in powder metallurgy, where it gives the flexibility to produce quality products of complex shapes for sintering. The density of the compact is a key factor to determine the overall quality of the sintered product, as regions with lower density could reduce its mechanical strength.

A multistage compaction process is one of way to achieve homogeneous density in the workpiece. In this example, a two-stage compaction process is demonstrated in a simple setup, and the outcome is compared with the results of a single-stage process.