Abstract

Synthesis of the ternary carbide Ti 3AlC 2 by high-energy ball milling of elemental Ti, Al and C powders with a stoichiometric composition was tentatively investigated. The results show that high content Ti 3AlC 2 was successfully obtained after ball milling of powder mixture only for 3 h. The milled products consist of powder and a coarse granule with 8 mm in diameter, and both are mainly composed of Ti 3AlC 2 with TiC as impurity based on X-ray diffractometer (XRD) and energy-dispersive spectroscopy (EDS) characterization. It is believed that a mechanically induced self-propagating reaction (MSR) was triggered to form Ti 3AlC 2 and TiC during high-energy ball milling process.

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