Abstract

Ti 2AlC ternary carbide was fabricated from 2Ti–Al–C powder blend employing thermal explosion (TE) mode of self-propagating high-temperature synthesis (SHS). The formation of Ti 2AlC was found to occur during cooling from the high combustion temperature (>2000 °C) by a peritectic reaction between the earlier formed liquid Ti aluminides and a solid Ti carbide, TiC 1− x . The application of a moderate 30-MPa pressure during TE at 800 °C yielded a near fully dense material containing, in addition to the Ti 2AlC ternary phase, an appreciable amount of TiC 1− x .

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