Abstract
In this study, mechanically activated Al/TiO2 powders were heated in molten (NaCl +KCl) salts to obtain TiAl3-Al2O3 composite powders. The morphology and phase composition of the samples were evaluated by scanning electron microscopy (SEM) and X-ray diffraction (XRD) analysis. It was shown that the milled powders reacted completely after 15 min at 800°C. Further investigations indicated that synthesized TiAl3-Al2O3 powders have a particle size of 400 nm to 800 nm. The consolidation of synthesized powders led to the formation of a composite structure composed of a continuous network of Al2O3 phase interpenetrated by a continuous network of TiAl3 phase.
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