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Saito, Shigeru; Meigo, Shinichiro; Makimura, Shunsuke*; Hirano, Yukinori*; Tsutsumi, Kazuyoshi*; Maekawa, Fujio
JAEA-Technology 2023-025, 48 Pages, 2024/03
JAEA-Technology-2023-025.pdf:3.11MB
JAEA has been developing Accelerator-Driven Systems (ADS) for research and development of nuclear transmutation using accelerators in order to reduce the volume and hazardousness of high-level radioactive waste generated by nuclear power plants. In order to prepare the material irradiation database necessary for the design of ADS and to study the irradiation effects in Lead-Bismuth Eutectic (LBE) alloys, a proton irradiation facility is under consideration at J-PARC. In this proton irradiation facility, 250 kW proton beams will be injected into the LBE spallation target, and irradiation tests under LBE flow will be performed for candidate structural materials for ADS. Furthermore, semiconductor soft-error tests, medical RI production, and proton beam applications will be performed. Among these, Post Irradiation Examination (PIE) of irradiated samples and RI separation and purification will be carried out in the PIE facility to be constructed near the proton irradiation facility. In this PIE facility, PIE of the equipment and samples irradiated in other facilities in J-PARC will also be performed. This report describes the conceptual study of the PIE facility, including the items to be tested, the test flow, the facilities, the test equipment, etc., and the proposed layout of the facility.
Saito, Shigeru; Okubo, Nariaki; Obayashi, Hironari; Wan, T.; Sugawara, Takanori; Sasa, Toshinobu; Maekawa, Fujio
JPS Conference Proceedings (Internet), 28, p.071003_1 - 071003_6, 2020/02
Japan Atomic Energy Agency (JAEA) proposes transmutation of minor actinides (MA) by accelerator-driven systems (ADS). The ADS designed by JAEA is a system composed by LBE (Lead-Bismuth Eutectic) spallation target and a subcritical core. In the ADS, a beam window (BW) is exposed in complex field of heavy irradiation by proton/neutron and corrosion by flowing LBE. To develop ADS structural materials, it is of critical importance to investigate materials used in such environment. Thus, JAEA plans to construct a proton irradiation facility at the J-PARC to prepare an irradiation database for candidate ADS structural materials and to investigate irradiation effects in flowing LBE environment. In this paper, giving a whole scope of the JAEA ADS development, some results of experimental measurements and the specific program for planed R&D will be presented.
Onoda, Shinobu; Hirao, Toshio; Laird, J. S.; Wakasa, Takeshi; Yamakawa, Takeshi; Okamoto, Tsuyoshi*; Koizumi, Yoshiharu*; Kamiya, Tomihiro; Ito, Hisayoshi
Proceedings of the 6th International Workshop on Radiation Effects on Semiconductor Devices for Space Application (RASEDA-6), p.173 - 176, 2004/10
no abstracts in English
Seguchi, Tadao; Kudo, Hisaaki; Sasuga, Tsuneo
Proceedings of of the Yayoi Symposium on Ion-Beam Radiation Chemistry; NIRS-M-101, HIMAC-007, 0, p.5 - 8, 1994/00
no abstracts in English
Pu and 
Pu with Np targetsIzumo, Mishiroku; Sorita, Takami; ; Sekine, Toshiaki; Matsuoka, Hiromitsu; Motoki, Ryozo; *
JAERI-M 90-102, 28 Pages, 1990/07
no abstracts in English
Sasuga, Tsuneo; Kawanishi, Shunichi; Nishii, Masanobu; Seguchi, Tadao; Kono, Isamu*
RIKEN Accelerator Progress Report, Vol.22, p.131 - 132, 1988/00
no abstracts in English
Journal of the Physical Society of Japan, 38(1), P. 288, 1975/01
no abstracts in English
Saito, Shigeru
no journal, ,
Beam window and structural materials for spallation neutron source and ADS are damaged by irradiation with high energy protons and spallation neutrons. In order to clarify the radiation damage characteristics of materials under spallation conditions, irradiation programs such as STIP (SINQ Target Irradiation Program) and MEGAPIE (MEGAwatt Pilot Experiment) are centered on the Swiss Paul Scherrer Institute (PSI) in Switzerland. In these programs, various materials have been irradiated with 580 MeV protons at PSI accelerator, and the participating countries share the PIE. JAEA also transported some of the irradiated samples and conducted PIE. In this presentation, we will introduce the characteristics of the spallation environment, the outline of these material irradiation programs, and the typical results and knowledge obtained by PIE.
