| Particle Engineering and Intelligent
Processing of Piezo Ceramics |
V. S. VENKATARAMANI , T. R. SHROUT
Pages : 9-20
DOI : 10.1080/0371750X.1996.10804742 |
| Abstract |
| The sequence of reactions and morphological changes
during the calcination of lead magnesium niobate titanate
solid solution (PMNT) from a variety of reactant mixtures
were studied. As predicted, the formation of the perovskite
phase occurs with an expansion of the compact of the mixture
and is accompanied by drastic changes in the microstructure.
Reactive calcining of the mix to the point of
maximum expansion (750°-800°C) results in ultrafine
sinteractive powder and this facilitates the fabrication of
dense, high performance PMNT ceramics at temperatures
as low as 1150°C. |
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