Preparation of Ti3SiC2 |
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| Authors: | P. V. Istomin A. V. Nadutkin Yu. I. Ryabkov B. A. Goldin |
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| Affiliation: | (1) Institute of Chemistry, Komi Scientific Center, Ural Division, Russian Academy of Sciences, Pervomaiskaya ul. 48, Syktyvkar, 167982, Komi Republic, Russia |
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| Abstract: | Phase relations in the Ti-C-SiC system are studied with the aim of optimizing Ti3SiC2 synthesis. The optimal starting-mixture compositions for the synthesis of phase-pure Ti3SiC2 powder can be represented by the formula 3Ti + (1 ? z)C + (1 + z)SiC, where z = 0.2–0.6. In the temperature range 1630–1670 K under dynamic vacuum, the excess silicon vaporizes from the sample. The processes leading to the formation of impurity phases are discussed. |
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