2020 Fall Meeting

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Oral presentation

VI. Fusion Energy Engineering » 601-3 Tritium Science and Technology (Fuel Recovery and Refining, Measurement, Iisotope Effect, Safe Handling)

[2N08-14] Fuel Production and Fuel Cycle

Thu. Sep 17, 2020 2:45 PM - 4:45 PM Room N (Zoom room 14)

Chair:Takumi Hayashi(QST)

3:30 PM - 3:45 PM

[2N11] Li Mass Transfer from Li2TiO3 with Excess Li and Structure Change due to Long-term Heating under H2 Atmosphere

*Akito Ipponsugi1, Kazunari Katayama1, Tsuyoshi Hoshino2 (1. kyusyu university, 2. QST)

Keywords:Solid Tritium Breeding Material, Li2TiO3 with Excess Li Pebbles , Li Mass Transfer, H2 Atmosphere, Structure Change

In this work, Li2TiO3 with excess Li pebble (Li/Ti = 2.10) was heated at 900 ℃ under 1000 Pa H2/Ar atmosphere to quantify the weight of evaporated Li and observe internal structure changes. As a result, it seems there is a relation between Li mass transfer and grain growth.