engleski

Examination of Activated Sintering of Seawater-derived Magnesium Oxide

This study has examined activated sintering of magnesium oxide with the addition of 1, 2, or 5 mass % TiO2 in the temperature range from 1550 to 1750 oC and 1, 3, or 5 hours of soaking at the maximum temperature. The magnesium oxide was obtained from seawater by substoichiometric precipitation with the addition of 80 % of the stoichiometrically required quantity of dolomite lime as the precipitation agent. The correlation and regression analysis was then performed on the experimental data to find the correlation between density as the dependent variable and independent variables of temperature, duration and TiO2 %, using the Statistica 7 mathematical package. The results obtained indicate that the model proposed is useful and applicable for describing the dependence of density on temperature and duration of isothermal sintering, and on the mass % of TiO2 added.

activated sintering ; TiO2 addition ; magnesium oxide from seawater ; substoichiometric precipitation

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