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Latest News
Disney World should have gone nuclear
There is extra significance to the American Nuclear Society holding its annual meeting in Orlando, Florida, this past week. That’s because in 1967, the state of Florida passed a law allowing Disney World to build a nuclear power plant.
Yasuhisa Oya, Kazuhiro Kobayashi, Wataru Shu, Takumi Hayashi, Shigeru O'hira, Hirofumi Nakamura, Yasunori Iwai, Masataka Nishi, Takeshi Higashijima, Kenjiro Obara, Kiyoshi Shibanuma, Kouichi Koizumi
Fusion Science and Technology | Volume 39 | Number 2 | March 2001 | Pages 1023-1027
Safety and Environment | doi.org/10.13182/FST01-A11963377
Articles are hosted by Taylor and Francis Online.
To optimize tritium removal procedure, behavior on typical materials used in the key parts of the ITER remote handling equipment, has been studied.
The samples used in this study were stainless steel 304 with three types of surface finish, aluminum alloy A-5052 with two types of surface finish, three types of O-ring and two types of carbon fiber reinforced plastic. After the samples were exposed in the tritiated moisture environment, the concentration of tritium adsorbed on the specimen was measured and the decontamination experiments using gas purges with three different moisture concentrations were performed. It is found that tritium does not adsorb on stainless much and oxide layer adsorbs significant tritium in Al alloy. The amount of tritium in rubber is found to relate with the permeability, solubility and tolerance for water vapor. In case of carbon fiber reinforced plastic, almost adsorbed tritium could not removed by gas purge.
