Abstract
Mechanical activation of titanium in petroleum ether with subsequent heat treatment produced titanium carbohydrides with hexagonal close-packed and face-centered cubic lattices. The effect of iron and copper additions on the structural and phase composition of the titanium-based powders after the mechanical activation and heat treatment was studied. In these systems, both titanium carbohydrides, and the intermetallics Ti–Cu, Ti–Fe, and Ti–Fe–Cu formed. All the obtained powders contained ~1 wt % hydrogen. The release of hydrogen by heating the powders was investigated, and the lowest release temperatures (220–500°C) were detected for the phase Ti–Fe–Cu.
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