Synthesis and Properties of Fusion-Cast Refractories in the MgO – Al2O3 System |
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| Authors: | V A Sokolov M D Gasparyan |
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| Affiliation: | (1) Moscow Institute for Steel and Alloys, Moscow, Russia;(2) SpetsPromOgneupor Joint-Stock Co., Russia |
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| Abstract: | Results of a study of fusion-cast refractories in the MgO – Al2O3 high-alumina system are reported. A casting technology for spinelide refractories is proposed. The materials synthesized are analyzed for phase composition by x-ray diffractometry and petrography and are shown to consist of corundum, MgAl2O4 spinel and their solid solutions. The materials are tested for corrosion resistance in industrial glass melts, and a corundum spinelide material with 5% Mg is recognized as the most promising for practical use. |
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