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Storage of Hydrogen Isotopes in Uranium Alloys

T. Yamamoto, Supardjo, T. Terai, F. Ono, S. Tanaka, M. Yamawaki

Fusion Science and Technology / Volume 14 / Number 2P2A / September 1988 / Pages 764-768

Tritium Properties and Interactions with Material / Proceedings of the Third Topical Meeting on Tritium Technology in Fission, Fusion and Isotopic Applications (Toronto, Ontario, Canada, May 1-6, 1988) / dx.doi.org/10.13182/FST14-764

Hydrogen absorption-desorption properties of some uranium-rich alloys were studied to develop an advanced material for temporary tritium storage. The characteristics of U-33.3at%Zr were analogous to those of U-69.7at%Zr, while the durability to powdering was reduced according to a decrease of zirconium content. The U-5.7at%Al exhibited a similar behavior to that of pure uranium including powdering to much extent, though a slight decrease in decomposition pressure was observed. The U-25at%Si showed very small capacity of hydrogen in spite of the existence of uranium phase in this alloy.