The morphologies of the TiC x grains extracted from the self-propagating high-temperature synthesis (SHS) products in an Al−Ti−C system were examined by field-emission scanning electron microscope (FESEM) and their lattice parameters were calculated from the XRD results. It is believed that the combustion temperature plays an important role in determining their morphologies, which may evolve from octahedron to truncated octahedron and finally to sphere with the increase in the temperature.
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Jin et al. (2009) studied this question.
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