SHS - Processes in the Carbonaceous Oxide System at High Nitrogen Pressure Values

Authors

  • S. M. Fomenko The Institute of Combustion Problems, 172 Bogenbai Batyr Str., Almaty, 050012, Kazakhstan
  • E. E. Dilmukhambetov The Institute of Combustion Problems, 172 Bogenbai Batyr Str., Almaty, 050012, Kazakhstan
  • Z. A. Mansurov The Institute of Combustion Problems, 172 Bogenbai Batyr Str., Almaty, 050012, Kazakhstan
  • Zh. Korkembai The Institute of Combustion Problems, 172 Bogenbai Batyr Str., Almaty, 050012, Kazakhstan
  • A. N. Alipbaev The Institute of Combustion Problems, 172 Bogenbai Batyr Str., Almaty, 050012, Kazakhstan

DOI:

https://doi.org/10.18321/ectj137

Abstract

This paper contains study results of the nitride containing composites features formed in the compacted Al-TiO2-C-Si samples inside a high pressure reactor with various nitrogen pressure values. The nitriding and carbide-formation processes take place simultaneously with aluminothermic reduction of titanium oxide in the self-propagating high-temperature synthesis (SHS) mode. It has been found that the nitrogen pressure effect is manifested as insignificant reduction of the combustion temperature and increased durability of the synthesized composite. The SHS process in the nitric environment leads to practically complete reduction of titanium oxide, the free titanium being absent. The X-ray analysis has revealed that the basic SHS products are refractory compounds such as metal nitrides, carbides, and oxides. Increase in nitrogen pressure results in decrease of the specific electric resistance of the synthesized composites caused by growth of the electroconductive phases i.e. titanium carbides, nitrides, and silicides. Performed electron microscopic study including the energy dispersion analysis of the morphology and structure of the SHS products has revealed formation of the nano-sized titanium silicide crystals distributed between the complex carbonitride particles. The complex carbonitride composites synthesized in the high pressure reactor are of interest as highrefractory and abrasive materials considering their physical and chemical properties.

References

1. Borovinskaya, I.P. Features of SHS-Ceramics Synthesis at High Gas Pressures. Proceedings: Self-Propagation High-Temperature Synthesis:Theory and Practice, 2001, Chernogolovka - p. 236-251.

2. Mansurov, Z.A., Dilmukhambetov, E.E., Ismailov, M.B., Fomenko, S.M. and Vongai, I.M. New Refractory Materials on the SHS Technology // La Chimica eI Industria. - 2001. V. 83. - P. 1-6.

3. Dilmukhambetov, E.E., Mansurov, Z.A., Fomenko, S.M. Synthesis of SHS - and Sol-Gel Based Carbonaceous Refractory Materials. X International Symposium on Self-propagating High-Temperature Synthesis, - Tsakhkadzor, Armenia, 2009. P. 370-371.

4. Blinov, M.Yu. Production of Ceramic Materials and Finished Products Upon Silicon Combustion in Nitrogen. Thesis of Technical Sciences Candidate Dissertation, USSR Science Academy Chemical Physics Research Institute, Chernogolovka, 1992.

5. Mukasyan, A.S., Stepanov, B.V., Galchenko, Yu.A., Borovinskaya, I.P. Mechanism of Silicon Nitride Structurization at Silicium Combustion in Nitrogen // Journal: Physics of Combustion and Explosion.- 1990. No 1.- pages 45-52.

6. Hirota, K., Yagura, H., Takaoka, K., Kato, M. Fabrication of Tin particle-dispersed AL2O3 composites utilizing high N2 -pressure SHS // XI International Symposium on Self-propagating High-Temperature Synthesis, - Attica, Greece, 2011. P. 103-104.

7. Chlubny, L., Lis, J. Sintering and Hot-pressing of SHS derived Powders in Ti-Al-C and Ti-AlN Systems // XI International Symposium on Self-propagating High-Temperature Synthesis, -Attica, Greece, 2011. p. 132.

8. Liebig, B. and Puszynski, J.A., Effect of Combustion Conditions on Synthesis and Sinterability of Silicon Nitride-Based Powders, Ceram. Trans., 2000, V. 115, P. 71-83.

9. Puszynski, J.A., Dargar, S.R., and Liebig, B.E., Combustion Synthesis of Ceramic Composites and Solid Solutions from Nanoreactants, Ceram. Trans., 2004, V. 166, P. 11-21.

10. Marin-Ayral, R.M., Pascal, C., Martinez, F., Tedenac, J.C. Simultaneous synthesis and densication of titanium nitride by high pressure combustion synthesis. Journal of the European Ceramic Society. – 2001. - V. 20. - P. 1 – 2679- 2684.

11. Wonbaek Kim, Je-shin Park, Chang-yul Suh, Sung-wook Cho, Sujeong Lee and In-Jin Shon. Synthesis of TiN Nanoparticles by Explosion of Ti Wire in Nitrogen Gas.- Materials Transactions, 2009. - V. 50, No. 12, P. 2897-2899.

12. Wonbaek Kima, Je-Shin Parkb, Sung-Wook Cho, Na-Ri Kim, In-Yong Ko and In-Jin Shon. - Processing Research Properties and rapid consolidation of binderless titanium nitride by pulsed current activated sintering.- Journal of Ceramic Processing Research. - 2010. V. 11, No. 5, P. 627-630. Mineral Resources Research Division, Korea Institute of Geoscience and Mineral Resources, Daejeon 305-350, Republic of Korea.

Downloads

Published

2013-01-15

How to Cite

Fomenko, S. M., Dilmukhambetov, E. E., Mansurov, Z. A., Korkembai, Z., & Alipbaev, A. N. (2013). SHS - Processes in the Carbonaceous Oxide System at High Nitrogen Pressure Values. Eurasian Chemico-Technological Journal, 15(1), 31–37. https://doi.org/10.18321/ectj137

Issue

Vol. 15 No. 1 (2013)

Section

Articles

License

You are free to: Share — copy and redistribute the material in any medium or format. Adapt — remix, transform, and build upon the material for any purpose, even commercially.

Eurasian Chemico-Technological Journal applies a Creative Commons Attribution 4.0 International License to articles and other works we publish.

Subject to the acceptance of the Article for publication in the Eurasian Chemico-Technological Journal, the Author(s) agrees to grant Eurasian Chemico-Technological Journal permission to publish the unpublished and original Article and all associated supplemental material under the Creative Commons Attribution 4.0 International license (CC BY 4.0).

Further distribution of this work must maintain attribution to the author(s) and the published article’s title, journal citation, and DOI.

Most read articles by the same author(s)

1 2 3 4 5 6 > >>