Ti2AlC ternary carbide synthesized by thermal explosion
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Ti2AlC ternary carbide was fabricated from 2Ti–Al–C powder blend employing thermal explosion (TE) mode of selfpropagating high-temperature synthesis (SHS). The formation of Ti2AlC was found to occur during cooling from the high combustion temperature (>2000 jC) by a peritectic reaction between the earlier formed liquid Ti aluminides and a solid Ti carbide, TiC1� x. The application of a moderate 30-MPa pressure during TE at 800 jC yielded a near fully dense material containing, in addition to the Ti2AlC ternary phase, an appreciable amount of TiC1� x. D 2002 Elsevier Science B.V. All rights reserved.
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