锂陶瓷γ-LiAlO_2放氚行为研究

  • 摘要: 采用堆外实验来研究γ-LiAlO2增殖剂的放氚行为。根据测得的γ-LiAlO2的放氚曲线,确定了748~873K范围内氚在γ-LiAlO2中的扩散系数常数D0=(1.39±0.10)×10(-9)m2·S(-1),活化能Q=(145±3)kJ·mol(-1)。

     

    Abstract: Tritium release behavior of breeder γ-LiAlO2 is studied with out-of-pile experiments. According to measuring curves, diffusivity is calculated from 748 K to 873 K, D0 =(1. 39±0. 10) ×10-9 m2·s-1,Q=(145±3) kJ·mol-1.

     

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