Skip to main content
×
×
Home

Crystallization of various compositions in the Y2O3–SiO2 system

  • Suresh Kumar (a1) and Charles H. Drummond (a1)
Abstract

In as-sintered silicon nitride with yttria as a sintering aid, the intergranular glassy phase contains Y, Si, O, and N. Results of crystallization of partly crystalline, as-quenched melt samples containing 28–40 mol% Y2O3 in the Y2O3–SiO2 system are presented. Three different compositions were melted in tungsten crucibles at 2100 °C in 1 and 50 atm nitrogen and heat treated in air in the temperature range of 1200 to 1600 °C. Phase identification by x-ray diffraction (XRD) and transmission electron microscopy (TEM) showed crystallization to β, γ, and δ polymorphs of Y2Si2O7.

Copyright
Corresponding author
a)Present address: #120 Steidle Building, Department of Materials Science and Engineering, The Pennsylvania State University, University Park, Pennsylvania 16802.
References
Hide All
1.Drew, R. A. L., Nitrogen Glass (The Parthenon Press, Lancashire, England, 1986).
2.Tsuge, A., Nishida, K., and Komatsu, M., J. Am. Ceram. Soc. 58, 323326 (1975).
3.Falk, L. K. L. and Dunlop, G.L., J. Mater. Sci. 22, 43694376 (1987).
4.Pierce, L. A., Mieskowski, D. M., and Sanders, W.A., J. Mater. Sci. 21 (4), 13451348 (1986).
5.Lee, W.E., Drummond, C.H., III, Hilmas, G.E., and Kumar, S., J. Am. Ceram. Soc. 73 (12), 35753579 (1990).
6.Raj, R., J. Am. Ceram. Soc. 64 (5), 245248 (1981).
7.Raj, R. and Lange, F.F., Acta Metall. 201, 19932000 (1981).
8.Lewis, M.H., Leng-Ward, G., and Jasper, C., Ceramic Powder Science II, Ceram. Trans. 1, Am. Ceram. Soc, 10191033 (1988).
9.Lewis, M.H., Tailoring Multiphase and Composite Ceramics (Plenum Press, New York, 1985), pp. 713730.
10.Leng-Ward, G. and Lewis, M.H., Mater. Sci. Eng. 71 (1–2), 101111 (1985).
11.Sanders, W.A. and Mieskowski, D.M., J. Am. Ceram. Soc. 64 (2), 304309 (1985).
12.Messier, D. R., Ceram. Eng. Sci. Proc. 3 (9–10), 565576 (1982).
13.Thomas, G., Ahn, C., and Weiss, J., J. Am. Ceram. Soc. 65 (11), C185–C188 (1982).
14.Drummond, C. H., III, Lee, W. E., Sanders, W. A., and Kiser, J. D., Ceram. Eng. Sci. Proc. 9 (9–10), 13431353 (1988).
15.Toropov, N.A. and Bondar, I. A., Izv. Akad. Nauk., SSSR, Otd. Khim. Nauk 4, 544550 (1961).
16.Bondar, I.A. and Toropov, N.A., Mater. Res. Bull. II, 479489 (1967).
17.Liddell, K. and Thompson, D.P., Br. Ceram. Trans. J. 85 (1), 1722 (1986).
18.Batalieva, N. G. and Pyatenko, Y.A., Sov. Phys. Crystall. 16, 786789 (1971).
19.Dinger, T. R., Rai, R. S., and Thomas, G., J. Am. Ceram. Soc. 71 (4), 236244 (1988).
20.Ito, J. and Johnson, H., Am. Min. 53, 19401952 (1968).
21.Cullity, B.D., Elements of X-ray Diffraction (Addison-Wesley Publishing Co., Inc., Reading, MA, 1978), pp. 501503.
22.Jones, G. O., Glass (Methuen, London, 1956), p. 32.
23.Kumar, S., Crystallization in Yttrium Silicate Glasses, M.S. Thesis, The Ohio State University, Columbus, OH, 1989.
Recommend this journal

Email your librarian or administrator to recommend adding this journal to your organisation's collection.

Journal of Materials Research
  • ISSN: 0884-2914
  • EISSN: 2044-5326
  • URL: /core/journals/journal-of-materials-research
Please enter your name
Please enter a valid email address
Who would you like to send this to? *
×

Metrics

Full text views

Total number of HTML views: 0
Total number of PDF views: 0 *
Loading metrics...

Abstract views

Total abstract views: 0 *
Loading metrics...

* Views captured on Cambridge Core between <date>. This data will be updated every 24 hours.

Usage data cannot currently be displayed