The Effect of Dwell Time on Physical Properties and Microstructure of Lead Zirconate Titanate Ceramics

Chompoonuch Puchmark


The effect of dwell time on the physical properties and microstructure of lead zirconate
titanate ceramics (Pb(Zr0.52Ti0.48)O3: PZT) were prepared by a conventional mixed oxide method.
The optimum temperature for calcinations the formation of phase pure perovskite, was found to be
about 750 oC for 2 h with a heating/cooling rate of 10 oC/min. Phase formation was examined by X-ray diffraction (XRD). The sintering procedures were carried out at 1150 and 1200 oC for 2, 4 and
6 h with a heating/cooling rate of 5 oC/min. The effect of dwell time on physical properties and
microstructure was investigated. The results showed that the percent of linear shrinkage,
densification and average grain size increased with dwell time.

Keywords: Lead zirconate titanate, Microstructure, Physical property, Dwell time

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