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November 9–12, 2025
Washington, DC|Washington Hilton
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Fusion Science and Technology
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U.K., Japan to extend decommissioning partnership
The U.K.’s Sellafield Ltd. and Japan’s Tokyo Electric Power Company have pledge to continue to work together for up to an additional 10 years, extending a cooperative agreement begun in 2014 following the 2011 tsunami that resulted in the irreparable damage of TEPCO’s Fukushima Daiichi plant.
A. A. Yukhimchuk, A. S. Khapov, I. P. Maksimkin, V. V. Baluev, I. E. Boitsov, A. V. Vertey, S. K. Grishechkin, V. G. Kiselev, I. L. Malkov, R. K. Musyaev, V. V. Popov, D. T. Sitdikov
Fusion Science and Technology | Volume 67 | Number 3 | April 2015 | Pages 662-665
Proceedings of TRITIUM 2013 | doi.org/10.13182/FST14-T105
Articles are hosted by Taylor and Francis Online.
The article presents results of comparative tests for determination of deuterium fluxes permeating through walls of austenitic stainless steel AISI304 (DIN 1.4301) chamber and Al2O3 based ceramic F99.7 chamber. Both chambers represent a piece of Ø26x Ø22x117 mm3 tube with spherical bottom ending. It is shown that at 773 K and deuterium pressure of 1200 mbar the permeated deuterium flux through the stainless steel chamber constituted 8∙10-5cm3/s, while the flux through ceramic one it did not exceed the sensitivity of the measurement method threshold, namely ~1.5∙10-7cm3/s. The ceramic chamber turned out to survive more than 103 cycles of heating up to 773 K with no damages. It did not lose its impermeability up to 10 bar of internal deuterium pressure. The authors also present test results of a prototype bed for reversible tritium storage. The bed’s case was made of alumina based ceramic F99.7, titanium being used as tritide making metal and high frequency induction used for heating of tritide metal.