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Gel-Based Processing of Glass-Ceramic Particulate Composites

Published online by Cambridge University Press:  25 February 2011

James C. Walck
James C. Walck*
Affiliation:
U.S. Army Materials Technology Laboratory, Water town, MA 02172
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Abstract

Glass-ceramic composites were successfully fabricated by incorporating amorphous lithium aluminosi Iicate (LAS) particulates into a silica gel matrix. LAS volumes in the composites were varied from 50 to 75%, and all composites were easily cast, dried and fired without segregation or cracking. Elevated temperature processing resulted in crystallization of the LAS into a P-spodumene solid solution phase as well as densification of the gel-derived glass matrix. An inverse relationship was found between densification efficiency and LAS volume percent.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 121: Symposium H – Better Ceramics Through Chemistry III , 1988 , 597
Copyright
Copyright © Materials Research Society 1988

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References

REFERENCES

Pope, E.J. and Mackenzie, J.D. in Tailoring Multiphase and Composite Ceramics, edited by Tressler, R.E., Messing, G.L., Pantano, C.G. and Newnham, R.E. (Plenum Press Publishers, New York, 1986) p. 187.Google Scholar
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