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Home / Publications / Journals / Fusion Science and Technology / Volume 41 / Number 3P2 / Pages 382-385

Influence of the Fourth Component on Tritium Behaviour in Li-Pb Melts

V.P. Krasin, I.E. Lyublinski

Fusion Science and Technology / Volume 41 / Number 3P2 / May 2002 / Pages 382-385

Properties and Reaction / Proceedings of the Sixth International Conference on Tritium Science and Technology Tsukuba, Japan November 12-16, 2001

In order to study the influence of yttrium on tritium behaviour in Li-Pb liquid alloys the coordination cluster theory was extended on the fourth-component systems. Using the developed approach the yttrium dependence on the thermodynamic activity of tritium in the whole concentration range of Li-Pb system were studied at 400–800°C. The yttrium displaces the concentration boundary which separates the regions with positive and negative deviations from ideality. Also, the yttrium addition has influence on threshold lead content, corresponding to conversation of the alloy from an exothermic to endothermic tritium occluder.

 
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