Skip to main content
SpringerLink
Log in

Production of Si3N4 by carbothermal reduction and nitridation of sepiolite

  • Published:
Journal of Materials Science Aims and scope Submit manuscript

Abstract

A study was undertaken to determine the optimum parameters for production of Si3N4 powders by carbothermal reduction and nitridation (CTRN) of Turkish sepiolite. Test samples were prepared by mixing 99% purity −325 mesh carbon black and −100 mesh leached brown sepiolite with C/SiO2 molar ratios of 1.5; 3; 4; 5, and 7.5. Prepared samples were subjected to the CTRN process at temperatures of 1200, 1300, 1400 and 1450 °C for 2, 4, 8, and 16 h. The CTRN process was conducted in an atmosphere controlled tube furnace in a nitrogen flow of 4.5 cm3/min. All products were examined by XRD and SEM-EDX to determine the transformation, morphology and chemical composition. The results showed that the best Si3N4 transformation occurred at 1400 °C for 16 h with C/SiO2 molar ratio of 4.

This is a preview of subscription content, log in via an institution to check access.

Access this article

Log in via an institution

Price excludes VAT (USA)
Tax calculation will be finalised during checkout.

Instant access to the full article PDF.

Institutional subscriptions

Similar content being viewed by others

References

  1. G. Ziegler, J. Heinrich and G. W¨otting, J. Mater. Sci. 22 (1987) 3041.

    Google Scholar 

  2. M. Herrmann, C. Boberski, G. Michael, G. Putzky and W. Hermel, J. Mater. Sci. Let. 12 (1993) 1641.

    Google Scholar 

  3. K. H. Jack, J. Mater. Sci. 11 (1976) 1135.

    Google Scholar 

  4. Z. Hrabe, S. Komarneni, P. Malla, V. Srikanth and R. Roy, J. Mater. Sci. 27 (1992) 4614.

    Google Scholar 

  5. S. Umebayashi and K. Kobayashi, J. Amer. Ceram. Soc. 58 (1975) 9.

    Google Scholar 

  6. H. Mostaghaci, Q. Fan, F. L. Riley, Y. Bigay and J. P. Torre, J. Brit. Ceram. Soc. Trans. 85 (1986) 12.

    Google Scholar 

  7. B. Kumar and M. M. Godkhindi, J. Mater. Sci. Let. 15 (1996) 403.

    Google Scholar 

  8. B. W. Jong, G. J. Slavens and D. E. Traunt, J. Mater. Sci. 27 (1992) 6086.

    Google Scholar 

  9. S. A. Siddiqi, I. Higgins and A. Hendry, "Non-oxide technical and Engineering Ceramics" (edited by Hampshire, London and New York, 1986) pp. 119–1331.

  10. S. C. Zhang and W. R. Cannon, J. Amer. Ceram. Soc. 67 (1984) 691.

    Google Scholar 

  11. D. L. Segal, J. Brit. Ceram. Soc. Trans. 85 (1986) 184.

    Google Scholar 

  12. T. Kiyohiro and R. Otsuka, Thermochimica Acta, 147 (1989) 127.

    Google Scholar 

  13. K. Inukai, S. Tomura, R. Miyawaki, K. Shimosaka, T. Irkeec¸and N. Fujii, Proceedings of the International Geological Congress, Nagoya, Japan (1992) 115–121.

  14. H. Arik, S. Kad?ir, A. K¨uc¸¨uk and S. Saritas¸, Proceedings of the 7th National Clay Symposium, Ankara, Turkey (1995).

  15. S. Saritas¸, I. Kayabali, M. G¨und¨uz and B. Erdo?gan, Proceedings of the 4th Int. Engineering Conf., Cairo, Egypt, (1995) pp. 151–161.

  16. H. Arik, S. Kadİir and S. Saritas¸, Tr. Journal of Engineering and Environmental Sci. 20 (1996) 233.

    Google Scholar 

  17. Y. Sarikaya, N. B?ic¸er, C. B?ic¸er, H. Ceylan and ?I. Bozdo?gan, Proceedings of the 3rd National Clay Symposium, Ankara, Turkey (1987).

  18. P. D. Ramesh and K. J. Rao, Mater. Res. Soc. 9 (1994) 2330.

    Google Scholar 

  19. D. S. Perera, J. Mater. Sci. 22 (1987) 2411.

    Google Scholar 

  20. Y. Sugahara, H. Hiraiwa, K. Kuroda and C. Kato, J. Mater. Sci. 23 (1988) 3181.

    Google Scholar 

  21. K. J. D. Mackenzie, R. H. Meinhold, G. V. White, C. M. Sheppard and B. L. Sherriff, J. Mater. Sci. 29 (1994) 2611.

    Google Scholar 

  22. D. H. Peck, J. Y. Kim and S. W. Choi, Key Engin. Mater. 89–91 (1994) 15.

    Google Scholar 

Download references

Author information

Authors and Affiliations

  1. Department of Metals Education, Faculty of Technical Education,, Gazi University,, Ankara/, Turkey

    H. Arik

  2. Department of Mechanical Engineering, Faculty of Engineering and Architecture,, Gazi University,, Ankara/, Turkey

    S. Saritas¸

  3. Mineral Analysis and Technology Department,, MTA,, Ankara/, Turkey

    M. Gündüz

Authors
  1. H. Arik
    View author publications

    You can also search for this author in PubMed Google Scholar

  2. S. Saritas¸
    View author publications

    You can also search for this author in PubMed Google Scholar

  3. M. Gündüz
    View author publications

    You can also search for this author in PubMed Google Scholar

Rights and permissions

Reprints and permissions

About this article

Cite this article

Arik, H., Saritas¸, S. & Gündüz, M. Production of Si3N4 by carbothermal reduction and nitridation of sepiolite. Journal of Materials Science 34, 835–842 (1999). https://doi.org/10.1023/A:1004541401063

Download citation

  • Issue Date:

  • DOI: https://doi.org/10.1023/A:1004541401063

Keywords

Search

Navigation