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Chemically Bonded Ceramics as an Alternative to High Temperature Composite 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 chemically bonded ceramics as a binding agent appears to be a promising route for fabricating complex-shaped structures. In a zirconia-calcium aluminate ceramic matrix composite, the hydraulic property of fine, monocalcium aluminate (CaAl2O4) powders was used to prepare strong prefired bodies.

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

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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