Abstract
A piezoelectric stack for linear ultrasonic motor was developed. According to linear ultrasonic motor Requirements, the required piezoelectric ceramic was explored, and it had the characteristics of high temperature resistance, high mechanical quality factor, low voltage drive. In the sintering condition of 950 °C and 5 h, performance parameters of the developed piezoelectric ceramic, which consisted of Pb0.98Bi0.02Zr0.51Ti0.48 Zn0.0103 and is doped with 0.5%Co, were relative dielectric constant 1190, piezoelectric constant 270pC/N, electromechanical coupling coefficient 0.54 (Kp), 0.46 (Kt), Curie temperature 346 °C, dielectric loss angle tangent 0.6%. The displacement characteristics of the piezoelectric stack with different sheets were analyzed by finite element method. The results provided theoretical reference for the development of linear ultrasonic motor with piezoelectric stack.
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Acknowledgements
This work supported by Suzhou science and technology planning project (SYG201823); Sunzhou vocational university research project (SVU2018YY07); sponsored by Qing Lan Project.
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Wang, H., Sun, C. (2021). Study on Piezoelectric Stack Performance for Linear Ultrasonic Motor. In: Zheng, L., Sun, C., Goh, KL. (eds) Proceedings of MEACM 2020. MEACM 2020. Mechanisms and Machine Science, vol 99. Springer, Cham. https://doi.org/10.1007/978-3-030-67958-3_11
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DOI: https://doi.org/10.1007/978-3-030-67958-3_11
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