publication . Article . 1998

Thermochemical Behavior of Gallium in Weapons-Material-Derived Mixed-Oxide Light Water Reactor (LWR) Fuel

Theodore M. Besmann;
Open Access
  • Published: 01 Dec 1998
The use of weapons-derived plutonium in light water reactor (LWR) fuel must consider the effects of up to 1 mass% of gallium that is used in weapons plutonium alloy. The potential effects of this residual gallium have been examined for 5% PuO2-95% UO2 from a thermochemical standpoint. The state and effect of gallium in the fuel are predicted, based on the oxygen potential of the fuel and the effects of burn-up. The possibility of vapor-phase transport of gallium to the fuel clad and potential interaction with the clad also is assessed.
free text keywords: Materials Chemistry, Ceramics and Composites
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