Present activities of post irradiation examinations in the JMTR Hot Laboratory

Shibata, Akira ; Omi, Masao; Nakagawa, Tetsuya

The hot laboratory accompanied with the Japan Materials Testing Reactor (JMTR-HL) was founded in 1971 to examine objects irradiated mainly at the JMTR. The JMTR-HL has three kinds of beta- hot-cell lines for research and development of nuclear fuels and materials. The JMTR-HL has the advantage of being connected by a canal between the hot cell and the JMTR. Hence it is easy to transport irradiated capsules and specimens through the canal. Since 1971, about 2,400 irradiated capsules have been treated in the JMTR-HL. Many various post irradiation examinations (PIEs) have been widely performed here. Mentioned in this report are overview of the hot laboratory, the present organization, the current status of the PIEs, and the modification plan of the facility to treat high burn-up fuels up to about 100 GWD/t in this presentation.