, Volume 25, Issue 1, pp 59-67

Experimental study of the Bi2 O3 -Fe2 O3 pseudo-binary system

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As part of a general contribution to the study of accelerator driven system (ADS) nuclear reactor feasibility, a study of the five-component system Bi-Fe-Hg-O-Pb was undertaken. New results about the quasi-binary Bi2O3-Fe2O3 are presented in this paper. The phase diagram was reinvestigated by differential scanning calorimetry, x-ray diffraction, and electron probe microanalysis. A new compound was discovered and characterized: Bi25FeO40. Its crystallographic structure was refined. Invariant and transition temperatures are given, as well as phase compositions.