Abstract

Different manufacturing routes are investigated at the KIT INR for the realization of First Walls (FW) for nuclear fusion components, such as the ITER Test Blanket Module (TBM) and DEMO Breeding Blankets (BB) for the Helium Cooled Pebble Bed (HCPB) Breeding concept. One conventional manufacturing route mainly basing of Electrical Discharge Machining (EDM) and forming was demonstrated successfully. However, the procurement costs are high. Therefore, options also to apply Additive Manufacturing (AM) as alternative were investigated. This paper compares the HCPB reference concept for FW fabrication to innovative concepts basing on AM.

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