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Chemically Bonded Ceramics as an Alternative to High TemperatureComposite Processing

Published online by Cambridge University Press:  21 February 2011

Mehmet A. Gulgun ,
Bradley R. Johnson  and
Waltraud M. Kriven
Mehmet A. Gulgun
Affiliation:
Department of Materials Science and Engineering, University of Illinois at Urbana-Champaign, Urbana, IL 61801
Bradley R. Johnson
Affiliation:
Department of Materials Science and Engineering, University of Illinois at Urbana-Champaign, Urbana, IL 61801
Waltraud M. Kriven
Affiliation:
Department of Materials Science and Engineering, University of Illinois at Urbana-Champaign, Urbana, IL 61801
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Abstract

Processing of multi-phase ceramic composite materials using chemicallybonded ceramics as a binding agent appears to be a promising route forfabricating complex-shaped structures. In a zirconia-calcium aluminateceramic matrix composite, the hydraulic property of fine, monocalciumaluminate (CaAl2O4) powders was used to prepare strongprefired bodies.

The changes in the physical characteristics of the composite during theconversion from a chemically bonded compact into a sintered composite werestudied using thermogravimetric analyses (TGA), X-ray diffraction andscanning electron microscopy. The density and the hardness of the chemicallybonded and sintered composite were measured.

Information

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 346: Symposium N – Better Ceramics Through Chemistry VI , 1994 , 511
Copyright
Copyright © Materials Research Society 1998

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References

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