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Nakamoto, Tatsushi*; Idesaki, Akira; Morishita, Norio; Ito, Hisayoshi; Kamiya, Tomihiro; Kimura, Nobuhiro*; Makida, Yasuhiro*; Ogitsu, Toru*; Ohata, Hirokatsu*; Yamamoto, Akira*
AIP Conference Proceedings 824, p.225 - 232, 2006/03
Radiation resistance with respect to mechanical properties of organic materials used in the superconducting magnets for the 50 GeV - 750 kW proton beam line for the J-PARC neutrino experiment was studied. Specimens cooled at liquid nitrogen temperature of 77 K were irradiated by gamma rays beyond 10 MGy. The flexural strength of glass-fiber reinforced plastics (GFRPs), the tear strength of polyimide films and the tensile lap-shear strength of adhesive films were evaluated. It was verified that the organic materials used in the superconducting magnet have a sufficient radiation resistance, and the degradation of their mechanical properties after 10 years operation was estimated to be negligible.
Advanced Radiation Technology Center
JAERI-Review 2004-025, 374 Pages, 2004/11
JAERI-Review-2004-025-p0001-p0116.pdf:20.67MBJAERI-Review-2004-025-p0117-p0247.pdf:21.34MBJAERI-Review-2004-025-p0248-p0374.pdf:23.39MB
This annual report describes research and development activities which have been performed with the JAERI TIARA (Takasaki Ion Accelerators for Advanced Radiation Application) facilities from April 1, 2003 to March 31, 2004. Summary reports of 115 papers and brief descriptions on the status of TIARA in the period are contained. A list of publications, the type of research collaborations and organization of TIARA are also given as appendices.
Advanced Radiation Technology Center
JAERI-Review 2001-039, 328 Pages, 2001/11
JAERI-Review-2001-039.pdf:41.69MB
no abstracts in English
Advanced Radiation Technology Center
JAERI-Review 2000-024, 326 Pages, 2000/10
JAERI-Review-2000-024.pdf:33.65MB
no abstracts in English
Advanced Radiation Technology Center
JAERI-Review 99-025, p.298 - 0, 1999/10
JAERI-Review-99-025.pdf:23.84MB
no abstracts in English
Nagao, Seiya; Sakamoto, Yoshiaki; Tanaka, Tadao; Ogawa, Hiromichi
Proceedings of OECD/NEA Workshop on Evaluation of Speciation Technology, p.181 - 188, 1999/00
no abstracts in English
JAERI-Review 98-016, 288 Pages, 1998/10
JAERI-Review-98-016.pdf:17.33MB
no abstracts in English
JAERI-Review 97-015, 281 Pages, 1997/11
JAERI-Review-97-015.pdf:13.14MB
no abstracts in English
