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Hazards of using tantalum parts in a molten plutonium environment
Tantalum experiences severe intergranular attack (IGA) when in contact with molten plutonium. This IGA of tantalum has produced part failures in crucibles used during Trident and molten salt extraction (MSE) runs and in two stirring rods used in MSE runs. These parts were used at temperatures ranging from 750{degrees}C to 900{degrees}C for a minimum time of 12 hours to a maximum time of 20 hours. 5 refs., 22 figs.
Date:
October 19, 1991
Creator:
Furr, J. S.
System:
The UNT Digital Library