Phase Equilibrium Relationships in a Portion of the System MgO–Al2O3–2CaO·SiO2 |
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| Authors: | A T PRINCE |
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| Affiliation: | Mineral Dressing and Process Metallurgy Division, Mines Branch, Department of Mines and Technical Surveys, Ottawa, Canada |
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| Abstract: | The system MgO–Al2O3–2CaO·SiO2 comprises a plane through the tetrahedron CaO–MgO–Al2O3–SiO2. A total of 108 compositions were prepared having an alumina content below the line joining 2CaO·Al2O3SiO2 (gehlenite) and MgO·Al2O3 (spinel). Quenching experiments were carried out on 96 of these compositions at temperatures up to 1590°C. Three binary eutectic systems and two ternary eutectic systems are described. Compositions on this plane are of significance in an investigation of the constitution of basic refractory clinkers made from Canadian dolomitic magnesites. They also concern the compositions of certain blast furnace slags. |
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