Skip to main content
SpringerLink
Log in

Sintering and crystallization of mullite in diphasic gels

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

Abstract

Diphasic monolithic mullite gel of stoichiometric composition shows a multiple aggregation of colloidal SiO2 (∼ 12 nm) and AlOOH (∼10 nm) particles. The identity of the colloidal particles is retained up to the crystallization of mullite at a temperature of 1240°C in unpressed or 1220°C in gels cold-isostatically pressed at 1.5 GPa. Intensive sintering is closely followed by crystallization of mullite. Both sintering and crystallization are apparently related with the formation of a silica continuum. Nucleation of mullite appears to occur at points of contact (interface) of SiO2/δ-Al2O3 particles.

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. I. A. Aksay, D. M. Dabbs and M. Sarikaya, J. Am. Ceram. Soc. 74 (1991) 2343.

    Article  CAS  Google Scholar 

  2. Ph. Colomban, Ceram. Int. 15 (1989) 23.

    Article  Google Scholar 

  3. S. Sundaresan and I. A. Aksay, J. Am. Ceram. Soc. 74 (1991) 2388.

    Article  CAS  Google Scholar 

  4. K. Okada and N. Otsuka, ibid. 70 (1987) C-245.

    Google Scholar 

  5. J. C. Huling and G. L. Messing, ibid. 72 (1989) 1725.

    Article  CAS  Google Scholar 

  6. Idem, ibid. 74 (1991) 2374.

    Article  CAS  Google Scholar 

  7. K. Okada, N. Otsuka and S. Somiya, Am. Ceram. Soc. Bull. 70 (1991) 2414.

    Article  Google Scholar 

  8. B. E. Yoldas and D. P. Partlow, J. Mater. Sci. 23 (1988) 1895.

    Article  CAS  Google Scholar 

  9. D. X. Li and W. J. Thomson, J. Am. Ceram. Soc. 73 (1990) 964.

    Article  CAS  Google Scholar 

  10. D. W. Hoffman, R. Roy and S. Komarneni, ibid. 67 (1984) 468.

    Article  CAS  Google Scholar 

  11. W. Wei and J. W. Halloran, ibid. 71 (1988) 166.

    Article  CAS  Google Scholar 

  12. Idem, ibid. 71 (1988) 581.

    Article  CAS  Google Scholar 

  13. I. M. Low and R. McPherson, J. Mater. Sci 24 (1989) 926.

    Article  CAS  Google Scholar 

  14. S. J. Wilson and M. H. Stacey, J. Colloid Interface Sci. 82 (1981) 507.

    Article  CAS  Google Scholar 

  15. G. Klaussen, G. S. Fischman and J. L. Laughner, Ceram. Eng. Sci. Proc. 11 (1990) 1087.

    Article  CAS  Google Scholar 

  16. S. J. Wilson, Proc. Br. Ceram. Soc. 28 (1979) 281.

    Google Scholar 

  17. J. Zarzycki, J. Non-Cryst. Solids 121 (1990) 110.

    Article  CAS  Google Scholar 

  18. Y. Wang, D. X. Li and W. J. Thomson, J. Mater. Res. 8 (1993) 195.

    Article  CAS  Google Scholar 

  19. S. Komarneni, Y. Suwa and R. Roy, J. Am. Ceram. Soc. 69 (1986) C-155.

    CAS  Google Scholar 

  20. J. Zheng and J. S. Reed, Am. Ceram. Soc. Bull. 71 (1992) 1410.

    CAS  Google Scholar 

  21. D. P. Partlow and B. E. Yoldas, J. Non-Cryst. Solids 46 (1981) 153.

    Article  CAS  Google Scholar 

  22. R. K. Iler, “The Chemistry of silica” (Wiley, New York, 1979) Ch. 3, p. 235.

    Google Scholar 

  23. L. Pack, to be published.

  24. C. J. Brinker and G. W. Scherer, “Sol-gel science” (Academic Press, Boston, 1990) Ch. 3, pp. 97–228.

    Google Scholar 

Download references

Author information

Authors and Affiliations

  1. Faculty of Chemical Technology, Department of Ceramics, Glass and Cement, Slovak Technical University, 812 37, Bratislava, Radlinského 9, Slovakia

    L. Pach, A. Iratni, Z. Hrabe & S. Svetík

  2. Intercollege Materials Research Laboratory, The Pennsylvania State University, 16802, University Park, PA, USA

    S. Komarneni

Authors
  1. L. Pach
    View author publications

    You can also search for this author in PubMed Google Scholar

  2. A. Iratni
    View author publications

    You can also search for this author in PubMed Google Scholar

  3. Z. Hrabe
    View author publications

    You can also search for this author in PubMed Google Scholar

  4. S. Svetík
    View author publications

    You can also search for this author in PubMed Google Scholar

  5. S. Komarneni
    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

Pach, L., Iratni, A., Hrabe, Z. et al. Sintering and crystallization of mullite in diphasic gels. JOURNAL OF MATERIALS SCIENCE 30, 5490–5494 (1995). https://doi.org/10.1007/BF00351563

Download citation

  • Received:

  • Accepted:

  • Published:

  • Issue Date:

  • DOI: https://doi.org/10.1007/BF00351563

Keywords

Search

Navigation