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  1. 1 Archives of Metallurgy and Materials
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  1. 1 Canikoğlu Nuray
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  1. 1 2022
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Content available Synthesis of magnesium aluminate spinel doped TiO2 from magnesite waste
Canikoğlu Nuray
Archives of Metallurgy and Materials
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2022
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Vol. 67, iss. 1
311--316
EN
Magnesium aluminate spinel (MgAl2O4) is an important refractory material of magnesia origin. It is formed by the reaction of magnesium and aluminum oxides. In this study, TiO2 was added to magnesite waste and alumina (Al2O3) powders in different proportions and the mixtures were sintered at different temperatures after shaping. The aim of this study was to produce spinel economically by recycling waste materials. Therefore, titanium dioxide (TiO2) added magnesium aluminate spinel was produced and the products obtained were characterized by XRD and SEM-EDS analyses. In addition, bulk density, apparent porosity and microhardness values were measured and the effects of TiO2 additive on magnesium aluminate properties were examined. The better values were determined in samples doped 4 wt.% TiO2 at the sintering temperature of 1400°C.
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