High Velocity Compaction: Comparison with Conventional Compaction for New Press Development in Hot Cell Pellet Manufacturing

Within the framework of the technological developments for fuel fabrication in hot cell, the compaction of ceramic powders using both static and dynamic processes has been studied as regards the manufacturing of nearly fully dense ceramics with unique microstructures from precursor ceramic powders. High Velocity Compaction (HVC) is a dynamic compaction without shock wave. The objective of this study [24,[25] was to compare the results of shaping between a conventional and a HVC process, both with hydraulic systems providing the impaction. Various inactive alumina powders were tested. Their characteristics after pressing were assessed to show the differences between green and sintered pellets.