Analysis of isothermal sintering of zinc-titanate doped with MgO
Nikolić, Maria Vesna
Ristić, Momčilo M.
Остала ауторстваRistić, Momčilo M.
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The aim of this work was analysis of isothermal sintering of zinc titanate ceramics doped with MgO obtained by mechanical activation. Mixtures of ZnO, TiO2 and MgO (0, 1.25 and 2.5%) were mechanically activated 15 minutes in a planetary ball mill. The powders obtained were pressed under different pressures and the results were fitted with a phenomenological compacting equation. Isothermal sintering was performed in air for 120 minutes at four different temperatures. Structural characterization of ZnO-TiO2-MgO system after milling was performed at room temperature using XRPD measurements. DTA measurements showed different activation energies for pure and doped ZnO-TiO2 systems. Thus addition of MgO stabilizes the crystal structure of zinc titanate.
Кључне речи:pressing / sintering / XRPD / DTA / ZnO-TiO2 system
Извор:Science of Sintering, 2007, 241-248
- Belgrade : International Institute for the Science of Sintering