Abstract
When piezoelectric ceramics are used in high power piezoelectric devices, such as piezoelectric actuators, ultrasonic motors etc., the piezoelectric constants of the ceramics at high vibration level are important. In this paper, lead titanate (PT)-lead zirconate (PZ)-lead cadmium niobate (PCN) piezoelectric ceramics were prepared and vibration dependence of piezoelectric constants of the ceramic are investigated. The resonant and anti-resonant frequencies, mechanical quality factor, and other piezoelectric constants were measured as a function of vibration velocity. >
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