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- W2364298840 abstract "Lead-free piezoelectric ceramics Bi0.5(Na1-x-yKxLiy)0.5TiO3 were prepared by the conventional ceramic sintering technique. The dielectric properties and the microstructures of these piezoelectric ceramics were also studied. The measurement results of the dielectric properties reveal that the dielectric constants and the dielectric losses of the materials reach a maximum at x=0.20~0.25, the dielectric constants and the dielectric losses increase with y increasing, and the dielectric constant peaks appear in the temperature of 300~350℃ in the dielectric constant - temperature curves. And the dielectric loss peaks appear in the temperature of 120~200℃ in the dielectric loss-temperature curves. It is found that the optimized sintering condition is at 1 100~1 150℃, 2~3 h, the grains of the ceramics have very regular shape, the grain size of the ceramics is in the range of 1.2~2.5 μm. The ceramics of high Li concentration have lower sintering temperature, and K promotes the growth in some directions of crystalline grains." @default.
- W2364298840 created "2016-06-24" @default.
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- W2364298840 date "2004-01-01" @default.
- W2364298840 modified "2023-09-27" @default.
- W2364298840 title "Studies on Dielectric Properties and Microstructures of Bi_(0.5)(Na_(1-x-y)K_xLi_y)_(0.5)TiO_3 Piezoelectric Ceramics" @default.
- W2364298840 hasPublicationYear "2004" @default.
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