Phase formation in the system MgO-Ga2O3-SiO2 |
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| Authors: | R. M. Smart F. P. Glasser |
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| Affiliation: | (1) Department of Chemistry, University of Aberdeen, Meston Walk, Old Aberdeen, UK |
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| Abstract: | Subsolidus phase equilibria in the MgO-Ga2O3-SiO2 system were studied by sintering 18 compositions. A stable gallium analogue of sapphirine and a metastable mullite-like phase were prepared. Ga-sapphirine melts incongruently to MgGa2O4 and becomes liquid at 1490 ± 5° C. A diagram showing subsolidus phase compatibility at 1390° C is presented. |
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