Report of lower endplug welding, and testing and inspecting result for MONJU 1 reload core fuel assembly

Kajiyama, Tadashi; Numata, Kazuaki; Otani, Seiji; not registered; not registered; Goto, Tatsuro*; Takahashi, Hideki*

The procedure and result of lower endplug welding, Test and Inspection and Shipment of the 1 reload core fuel assembly (80 Fuel Assemblies) for the fast breeder reactor MONJU should be report, which had examined and inspected in Tamatsukuri Branch, Material Insurance office, Quality Assurance Section, Technical Administration Division, Plutonium Fuel Center (before: Inspection Section, Plutonium Fuel Division), from June 1994 to January 1996. The number of cladding tubes welded to the endplug were total to 13,804, 7,418 for Core - Inside of 43 fuel Assemblies and 6,386 for Core-Outside of 37 fuel Assemblies. 13,794 of them, 7,414 Core-Inside and 6,379 Core-Outside were approved by the test and sent to Plutonium Fuel Center. 10 of them weren't approved mainly because of default welding. Disapproval rating is 0.07%.