Abstract
Phase transformations of the disorder-order type in the homogeneity region of nonstoichiometric titanium carbide TiCy (0.5<y<1.0) have been studied. It has been established that, depending on the actual composition of TiCy, there may form in it for T<980–1000 K a cubic or a trigonal ordered Ti2C phase (space groups Fd3m and \(R\bar 3m\), respectively) and a rhombic ordered Ti3C2 phase (space group C2221). The effect of ordering on the electrical resistivity of the nonstoichiometric carbide TiCy was studied, and the temperatures of the reversible disorder-order equilibrium transitions determined. The ordering in titanium carbide is shown to be a first-order phase transition.
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Fiz. Tverd. Tela (St. Petersburg) 40, 1332–1340 (July 1998)
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Lipatnikov, V.N., Zueva, L.V., Gusev, A.I. et al. Disorder-order phase transformations and electrical resistivity of nonstoichiometric titanium carbide. Phys. Solid State 40, 1211–1218 (1998). https://doi.org/10.1134/1.1130523
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DOI: https://doi.org/10.1134/1.1130523