Electrical output performance of PZT-based piezoelectric ceramics

C. Xu, M. Akiyama, K. Nonaka, K. Shobu, T. Watanabe
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引用次数: 9

Abstract

The electrical output characteristics of Mn-doped PZT ceramics responding to slow mechanical stress as well as to impact stress have been investigated. Although both the slow and impact stress induce reversible electrical response, their output properties are distinctly different. Slow stress releases two output current flows with opposite directions, responding to the increasing and decreasing parts of the stress respectively. However, impact stress produces almost one direction signal. The output charge and energy produced by slow stress are found to be thousands of times higher than that produced by impact stress. This work shows that the energy conversion efficiency of piezoelectric ceramics strongly depends on the way the stress is applied.
pz基压电陶瓷的电输出性能
研究了mn掺杂PZT陶瓷在缓慢机械应力和冲击应力下的电输出特性。虽然慢应力和冲击应力都引起可逆的电响应,但它们的输出特性有明显的不同。缓应力释放两个方向相反的输出电流,分别响应应力的增加部分和减少部分。然而,冲击应力几乎产生一个方向信号。缓应力产生的输出电荷和能量比冲击应力产生的输出电荷和能量高几千倍。这项工作表明,压电陶瓷的能量转换效率很大程度上取决于施加应力的方式。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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