2023 Fall Meeting

Presentation information

Oral presentation

V. Nuclear Fuel Cycle and Nuclear Materials » 505-2 Waste Disposal and Its Environmental Aspects

[1D05-07] Solubility

Wed. Sep 6, 2023 11:05 AM - 11:55 AM Room D (IB Bildg.1F Large Lecture Room)

Chair:Yuta Fukatsu(JAEA)

11:05 AM - 11:20 AM

[1D05] Dissolution behavior of uranium-zirconium oxide solid solution

*Ryutaro Tonna1, Taishi Kobayashi1, Takayuki Sasaki1 (1. Kyoto Univ.)

Keywords:Uranium-zirconium oxide solid solution, U/Zr Ratio, Solid Phase Analysis, Normalized Dissolved Concentration

Solid solutions (U,Zr)O2 with various U/Zr ratios were prepared by heating treatment, and XRD and SEM-EDX characterized the phase conditions. After the immersion of samples in water, the dissolution behavior of (U, Zr)O2 was discussed thermodynamically and kinetically.

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