Abstract
Zircon ceramics were employed as host material for immobilization of element Nd, which was used as the surrogate of trivalent actinide nuclide. A series of Zr2-xNdxSi2O8-0.5x compounds were prepared by solid-state reaction method at 1500 °C for 72 h in air and investigated in respect of their physics performances. These performances were characterized by density and hardness. The results show that the density raises as the value of x increases from 0.02 to 0.20. Moreover, the hardness of the Nd-doped ceramic also increase with enhanced Nd content.
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