Phase relations in the Fe-Pu-U ternary system

Abstract

An isothermal section of the Fe-Pu-U ternary system at 650 °C was assessed in a previous study. In the present study, the predictions of the phase relations in the Fe-Pu-U system to higher and lower temperatures were performed by applying the interaction parameters determined at 650 °C. Differential thermal analysis (DTA) for the Fe-Pu-U alloys was also carried out to confirm the phase relations in the temperature region of 500 to 800 °C. Both results agreed well. On the basis of the predicted ternary phase diagram, the phase relations for a region surrounded by Fe2Pu, Fe2U, U, and Pu were described by a reaction scheme and a projection of the liquidus surface.

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Nakamura, K., Kurata, M., Ogata, T. et al. Phase relations in the Fe-Pu-U ternary system. JPE 22, 259 (2001). https://doi.org/10.1361/105497101770338743

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Keywords

  • Differential Thermal Analysis
  • Ternary System
  • Phase Relation
  • Isothermal Section
  • Differential Thermal Analysis Curve