Abstract
In this paper, in order to develop the composition ceramics with the high piezoelectric properties for ultrasonic transducer, Pb[(Mn1/3Nb2/3)x(Ni1/3Nb2/3)0.10(Zr0.48Ti0.52)0.90−x]O3 ceramics were fabricated with the variation of Pb(Mn1/3Nb2/3)O3. The effects of Pb(Mn1/3Nb2/3)O3 (abbreviated as PMN) on their microstructure and piezoelectric properties were systematically investigated. The tetragonality was decreased in the ceramics with the increase of Pb(Mn1/3Nb2/3)O3. When Pb(Mn1/3Nb2/3)O3 and sintering temperature were 8 mol%, 940 °C, respectively, the excellent physical properties of d33 = 302 pC/N, εr = 1390, kp = 0.542, Qm = 1378 were obtained in the specimens for ultrasonic transducer.
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Acknowledgements
This paper was supported by the 2015 economic cooperation industry promotion project(MOTIE) “Development of ultrasonic cutting machine and hand piece for surgical operation equipped with cooling device” and also supported by the 2016 National Research Foundation of Korea(NRF) Fund.
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Yoo, JH., Kim, S., Lee, ES. et al. Microstructure and Piezoelectric Properties of PMN-PNN-PZT Ceramics with the Variation of PMN. Trans. Electr. Electron. Mater. 20, 31–35 (2019). https://doi.org/10.1007/s42341-018-00088-1
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DOI: https://doi.org/10.1007/s42341-018-00088-1