Abstract
The sintering temperature of BaZn2Ti4O11 ceramic (Ba-Zn-Ti) dropped from 1200 °C to 850 °C in the presence of a liquid phase containing Li2O and B2O3, and the ceramic remained excellent dielectric microwave properties. Experiments on the wetting behavior, activation energy, phase composition, microstructure and microwave dielectric properties of the ceramics were carried out to understand the mechanism of the sintering kinetic. The results reveal that the sintering process of the Ba-Zn-Ti significantly accelerated at a low temperature even with a higher activation energy, due to the existence of liquid phase causes decomposition of BaZn2Ti4O11, which provides extra energy at the early stage of sintering, called reactive liquid-phase sintering.
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