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Power generation characteristics of PZT piezoelectric ceramics using drop weight impact techniques: Effect of dimensional size

机译:使用落锤冲击技术的PZT压电陶瓷的发电特性:尺寸大小的影响

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摘要

In this study the relation between the generated open circuit output voltages and the generated electrical energy of PZT piezoelectric ceramic body with applied impact mechanical energy are studied. The output voltages and the generated electrical energy of PZT piezoelectric ceramic body are increased with the increasing of the applied mechanical energy. Under the same impact mechanical energy, the output voltages and the generated electrical energy of the PZT piezoelectric ceramic body are depending on both the dimensional size and properties of the samples. The PZT piezoelectric ceramic body with greater (t/D~2) can produce a higher output voltage and higher generated electrical energy. With the same piezoelectric ceramic body size, under the same impact mechanical energy, the output voltage and the generated energy of soft type piezoelectric ceramic body is higher than that of hard type piezoelectric ceramic body, which is because the g_(33) and ε_(33)~T value of soft type piezoelectric ceramic body is higher than that of hard type piezoelectric ceramic body.
机译:在这项研究中,研究了产生的开路输出电压与PZT压电陶瓷体在施加冲击机械能时产生的电能之间的关系。随着所施加的机械能的增加,PZT压电陶瓷体的输出电压和产生的电能增加。在相同的冲击机械能下,PZT压电陶瓷体的输出电压和产生的电能取决于样品的尺寸和性能。 (t / D〜2)较大的PZT压电陶瓷体可以产生较高的输出电压和较高的电能。在相同的压电陶瓷体尺寸下,在相同的冲击机械能下,软型压电陶瓷体的输出电压和产生的能量高于硬型压电陶瓷体,这是因为g_(33)和ε_( 33)软质压电陶瓷体的T值高于硬质压电陶瓷体的T值。

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