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- W2081429395 abstract "Lead zirconate titanate (PZT)/polymer 1-3 composites have improved electromechanical properties compared with monolithic counterparts, but possess a low mechanical quality factor, limiting their use in high-power transducer applications. The goal of this work was to improve the mechanical quality factor of 1-3 PZT/polymer composites by optimizing the polymer materials. Theoretical analysis and modeling were performed for optimum composite design and various polymers were prepared and characterized. 1-3 piezocomposites were constructed and their electromechanical properties were experimentally determined. The results demonstrated that the composites with high-thermal-conductivity polymers generally have degraded electromechanical properties with significantly decreased mechanical quality factors, whereas the composites filled with low-loss and low-moduli polymers were found to have higher mechanical quality factors with higher electromechanical coupling factors: Q(m) ~ 200 and k(t) ~ 0.68 for PZT4 composites; Q(m) ~ 400 and k(t) ~ 0.6 for PZT8 composites. The improved mechanical quality factor of 1-3 piezocomposites may offer improved performance and thermal stability of transducers under high-drive operation." @default.
- W2081429395 created "2016-06-24" @default.
- W2081429395 creator A5020760356 @default.
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- W2081429395 date "2012-09-01" @default.
- W2081429395 modified "2023-10-18" @default.
- W2081429395 title "Design of low-loss 1-3 piezoelectric composites for high-power transducer applications" @default.
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- W2081429395 doi "https://doi.org/10.1109/tuffc.2012.2415" @default.
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