Research Article

Stability of Tungsten Crucible against Uranium, Rare Earth, Cadmium, and Chlorides for Cathode Process in Pyroprocessing

Table 1

Experimental conditions for the tests of W stability.

Experimental Conditions
Feed MaterialsTemperature and PressureHolding Time

RE meltingLa, Ce, Nd>1200°C, <10−4 Torr60

Salt distillationU, LiCl, KCl, NdCl3, CeCl31050°C, <1 Torr150

Cd distillationU–Cd alloy500°C, <1 Torr200