Effect of lead contents on the properties of PMSZT piezoelectric ceramics

Cuimin Lu; Qingchi Sun; Mingxia Xu

doi:10.1007/s11595-005-2311-8

Journal of Wuhan University of Technology Materials Science Edition ›› 2007, Vol. 22 ›› Issue (2) : 311 -314. DOI: 10.1007/s11595-005-2311-8

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Effect of lead contents on the properties of PMSZT piezoelectric ceramics

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Abstract

The effects of Pb content on crystallographic phase, microstructure, electric-properties of PMSZT piezoelectric ceramics were studied. The crystallographic phase and microstructure of the ceramics were examined by using X-ray diffraction (XRD) and scanning electron microscopy (SEM). The experimental result shows that the samples consist of a mixture of tetragonal and rhombohedral phases in the range of lead contents x=0.95–1.06, grains grow up homogeneously and the minimum value of Curie temperature was obtained with x=1.02. With Pb content x<1.02 or x>1.02, the Curie temperature moves towards a high temperature. A well-situated electric-properties of ɛ ^T ₃₃/ɛ ₀ (1660), d ₃₃ (344pC/N), K _p (0.684), Q _m (2350),tan δ(0.0030) were obtained when lead content x=1.02.

Keywords

piezoelectric ceramics / crystallographic phase / microstructure / electric-properties

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Cuimin Lu, Qingchi Sun, Mingxia Xu. Effect of lead contents on the properties of PMSZT piezoelectric ceramics. Journal of Wuhan University of Technology Materials Science Edition, 2007, 22(2): 311-314 DOI:10.1007/s11595-005-2311-8

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