Abstract
Isothermal cross sections of the ternary phase diagram of Bi-Cr-O system have been established at 500 and 750 °C. Existence of a new compound Bi22Cr18O60 was identified and it was characterized by XRD, SEM and TEM. Ternary phase diagram at 500 °C shows that no ternary compounds would coexist with liquid Bi at 500 °C. Only Cr2O3 and Bi2O3 would coexist with liquid Bi at this temperature. Equilibrations at 750 °C show that two ternary compounds, namely Bi22Cr18O60 and Bi38CrO60 can coexist with liquid Bi at this temperature and no other ternary compound would be stable in liquid Bi.
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