Abstract
Pb0.95Sr0.05[(Mn1/3Sb2/3)0.06(Ni1/2W1/2)x(Zr0.49Ti0.51)1-x-0.06]O3 (PMS-PNW-PZT) (x = 0.01∼0.04) were prepared by using traditional technique with solid reaction process. The effects of PNW contents and sintering temperatures on microstructure, dielectric and piezoelectric properties of PMS-PNW-PZT ceramics were investigated. When the amount of doping content was about 2 mol% and the sintering temperature was 1250°C, the optimum values of buck density, mechanical quality factor, dielectric loss, piezoelectric constant, dielectric constant, planar coupling coefficient were obtained as follows:ρ = 7.54 g/cm3, Q m = 2800, tanδ = 0.27%, d 33 = 360pC/N, = 1990, k p = 0.63, which can meet the requirements of piezoelectric transformers.
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