A Study of the Sintering Mechanism of PZT-Based Piezoceramics

Wayne Huebner, Missouri University of Science and Technology
Pei Wen Lu
WanRong Xue

This document has been relocated to http://scholarsmine.mst.edu/matsci_eng_facwork/1458

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The densification behavior a PZT-based composition with additions of BiFeO3 as a flux was studied. Two different PZT powders were studied with varying initial particle sizes. Results clearly showed that BiFeO3 forms a low temperature liquid that aids in the densification behavior, with 3 mole% being optimum. Fine particle sizes substantially improved the density at low temperatures, with the net result that ceramics could be densified in air without the aid of a lead source. The corresponding electromechanical properties were typical of a hard PZT formulation.