Abstract
This paper presents a synthesis of TiB 2 powder via self-propagating high-temperature synthesis (SHS) method using a mixture of TiO 2, B 2O 3 and Mg followed by acid leaching. In the acid leaching step, the MgO content in the SHS product was leached in different HCl concentrations. X-ray diffraction (XRD) analysis showed that when 9.3 M HCl was used, the leached SHS product was found similar to that of the commercial TiB 2 powder. However, scanning electron microscopy (SEM) and BET surface area analysis revealed that the leached product was agglomerated and exhibited very high surface area.
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