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Tailoring ultrafine grained and dispersion-strengthened Ti2AlC/TiAl composite via a new fabrication route
2016
Bulletin of Materials Science
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In situ Ti 2 AlC/TiAl composite was fabricated by hot-pressing method via the reaction system of Ti 3 AlC 2 and Ti-Al pre-alloyed powders at low temperature of 1150 • C. The composite mainly consisted of TiAl, Ti 3 Al and Ti 2 AlC phases. Fine Ti 2 AlC particles were homogeneously distributed and dispersed in the matrix. Ti 2 AlC played the significant role of deflecting and blunting the cracks and contributed to improve the mechanical properties of the composite. The Vickers hardness, flexural
doi:10.1007/s12034-016-1271-2
fatcat:c347wl5r3rgj5nhulwckxztz3e