Fast and efficient approach to synthesis of ultra-fine TiC powder

Abstract

A fast and large scalable process to produce TiC powder was obtained using a horizontal rotary ball mill within 60 min via a mechanically induced self-propagating reaction (MSR). The as-synthesized TiC particles have well-defined crystals structure and the median diameter of ∼1 μm with less impurity due to short duration of milling. The mechanism for the acceleration of MSR was investigated in detail. The graphene nano-platelets are exfoliated from graphite by ultra-high-energy of the horizontal rotary ball mill after less than 30 min of milling, which plays a crucial role in formation of leaf-like nanoplatelets with Ti lamella by ball collision. At the same time, the ultra-highenergy of ball milling can boost self-prorogating reaction in a short duration of milling.

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“…Ye et Quan [19] used mechanical alloying to prepare nanostructured compound TiC powder with a grain size of 9 nm after 27 of MA. Yang [20] used horizontal rotary ball mill to prepare nanostructured TiC powder, after 210 min of milling, from elemental titanium and graphite powders.…”