Heterogeneous equilibria in the rhenium-oxygen systemстатья
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Дата последнего поиска статьи во внешних источниках: 15 февраля 2024 г.
Аннотация:The heterogeneous phase equilibria in the rhenium-oxygen system (over a composition range of Re2O7-Re) were studied using differential thermal analysis, X-ray diffraction analysis, and tensimetry. The system was found to contain the equilibrium phases of Re2O7, cubic ReO3, and orthorhombic ReO2. A region of homogeneity of orthorhombic ReO2 was hypothesized to exist. Monoclinic ReO2+x was demonstrated to be metastable. The p-T and T-x projections of the phase diagram of the system were constructed.