Lattice Parameter and Stoichiometry of TiCx Produced in the Ti-C and Ni-Ti-C Systems by Self-Propagating High-Temperature Synthesis

• Published in: Journal of the American Ceramic Society Vol. 91; no. 8; pp. 2736 - 2739
• Main Authors: Yang, Ya-Feng, Wang, Hui-Yuan, Zhang, Jun, Zhao, Ru-Yi, Liang, Yun-Hong, Jiang, Qi-Chuan
• Format: Journal Article
• Language: English
• Published: Malden, USA Blackwell Publishing Inc 01.08.2008; Blackwell
• Subjects: Applied sciences; Building materials. Ceramics. Glasses; Ceramic industries; Chemical industry and chemicals; Exact sciences and technology; Miscellaneous; Technical ceramics; Stoichiometry; Combustion synthesis; Self propagating high temperature synthesis; High temperature; Experimental study; Lattice parameters; X ray diffraction; Structure composition relationship; Non oxide ceramics; Titanium Carbides; Additive; Nickel addition; Technical ceramics; Manufacturing; Carbides
• ISSN: 0002-7820; 1551-2916
• DOI: 10.1111/j.1551-2916.2008.02486.x

The lattice parameter and stoichiometry of TiCx produced in the Ti–C and Ni–Ti–C systems with a range of C/Ti ratios were investigated, respectively. Compared with the Ti–C system, the addition of Ni can not only increase the lattice parameters and stoichiometry of TiCx by forming Ni–Ti compounds (for C/Ti ≤0.8) but also decrease them (for C/Ti >0.8) due to the hindering of atom diffusion caused by the dilution of Ni and the decreasing combustion temperature. For all complete reaction in the Ti–C and Ni–Ti–C systems, the combustion temperature plays a crucial role in the determination of the lattice parameters and stoichiometry of TiCx.