Thermodynamic Analysis and Microstructure Study of ZrO2-Ti Metal-Ceramic Composites

Abstract

Abstract: The standard Gibbs free energy of Ti₂O was predicted according to the quasi-parabola rule.
The co-existing region of Ti and ZrO₂ was obtained by thermodynamic calculation to determine the synthesis conditions of this composite.
ZrO₂-Ti system composites sintered under ordinary pressure were prepared by a powder metallurgical method. The gradient distribution of
composition, the interfacial microstructure between layers and the combining state of phases between Ti and ZrO₂ were investigated by means of
XRD, SEM, EDS, TEM and so on. The experimental results show that the joint between Ti and ZrO₂ phases is physical in this composite. ZrO₂ mainly
exists as a tetragonal phase.

Key words: ZrO₂-Ti system, thermodynamic analysis, microstructure, composites, cermet

CLC Number:

TQ174

TENG Li-Dong,WANG Fu-Ming,LI Wen-Chao. Thermodynamic Analysis and Microstructure Study of ZrO₂-Ti Metal-Ceramic Composites[J]. Journal of Inorganic Materials.

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Thermodynamic Analysis and Microstructure Study of ZrO₂-Ti Metal-Ceramic Composites

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