Fine Ti Powders Through Metallothermic Reduction in TiO2–Mg–Ca Mixtures
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Fine Ti powders were prepared through magnesiothermic reduction in TiO2–Mg–Ca mixtures under 4 MPa of Ar followed by acid leaching (with HCl or HNO3) and characterized by XRD, SEM/EDS, and chemical analysis. Thus prepared Ti powders exhibited the specific surface ranging between 7.0 and 30.0 m2/g. The produced Ti powders can find their application in pyrotechnics, powder metallurgy, and as raw material for SHS of inorganic compounds.
KeywordsSHS combustion synthesis magnesiothermy titanium dioxide titanium powder acid leaching
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