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Report on fabrication of the pin components for irradiation of FUJI project (Collaboration in the research and development of advanced sphere-pac fuel among PSI, JNC, and NRG)

FUJIプロジェクトにおける照射試験用燃料部材の製造報告

鈴木 政浩 ; 比内 浩; 重留 義明; 河野 秀作; 松崎 壮晃

not registered; not registered; Shigetome, Yoshiaki; Kono, Shusaku; not registered

核燃料サイクル開発機構(JNC)では、振動充填燃料に関する共同研究「Research and Development of Advanced Sphere-pac Fuel(通称FUJI(Fuel irradiations for JNC and PSI)プロジェクト」を、スイスのPaul Scherrer Institut(PSI)及びオランダのNuclear Research & consultancy Group(NRG)との間で実施している。本プロジェクトではPSIで製造したスフェアパック、ペレット及びバイパックの3タイプの燃料を、オランダPettenにあるHigh Flux Reactor(HFR)で比較照射する計画である。JNCは照射試験用燃料のピン部材を製造する役割を担っており、三者間で合意された製作図面に従って部材の製作及び接続端栓の被覆管への溶接を実施した。この報告書は照射用部材の製造結果、また接続端栓の溶接に関する施工試験及び溶接された部材の品質保証に関するものである。製造は無事完了し、製造された部材は2002年10月にPSIに送付された

Japan Nuclear Cycle Development institute (JNC) has conducted the collaboration concerning vibro-packed fuels with Paul Scherrer Institut (PSI) in Switzerland and Nuclear Research & consultancy Group (NRG) in the Netherlands. The project "Research and Development of Advanced Sphere-pac fuel" is called FUJI (FUel irradiations for JNC and PSI) Project. In this project, three types of fuels that are sphere-pac fuels, vipac fuels, and pelletized fuels will be irradiated in the High Flux Reactor (HFR) to compare the fuel performance. Based on the drawing which has been agreed among three parties, fabrication of the pin components and welding of the upper and lower connection endplugs were performed in accordance with ISO-9001 in JNC. This report describes data of fabricated pin components, results of welding qualification tests, and quality assurance of the welded components. The fabrication of pin components was successfully completed and they were delivered to PSI in October 2002.

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