1-1-3型压电复合材料的振动模态研究

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振动与冲击 ›› 2018, Vol. 37 ›› Issue (1) : 223-228.

论文

1-1-3型压电复合材料的振动模态研究

米徐慧，秦雷，廖擎玮

作者信息 +

Vibration modes mode of 1-1-3 piezoelectric composites

Mi xuhui1Qin lei1 Liao qingwei 1

Author information +

文章历史 +

摘要

本文对1-1-3型压电复合材料进行了振动形态的分析。1-1-3型压电复合材料选用PZT-5H、硅橡胶和环氧树脂制备而成。从制备的两组样品的实验证明该复合元件相比传统的1-3型压电复合材料具有较高的机电耦合系数和较低的声阻抗。通过PSV-400型激光测振仪测量其振动形态，发现其中压电陶瓷柱的振动为主动振动，模态为电场平行于长度方向的纵向伸缩模态。该结构的复合元件充分发挥了压电柱本身的压电性能，进而提高了整个元件的压电性能，使得该复合元件更适合应用于水声换能器。

Abstract

In this paper, Tthe vibration modes of 1-1-3 composites made from which were prepared by PZT-5H, silicone rubber and epoxy resin were analyzed. Two groups of experimental samples were prepared. 。It is found that the composites haves higher electromechanical coupling coefficient and lower acoustic impedance. The PSV-400 type laser vibrometer was used to measure the vibration shape. The measured results shows that the vibration amplitude of the piezoelectric ceramic column is much bigger than that of the silicone rubber and epoxy resin columns.And Tthe vibration mode of the piezoelectric ceramic column is the k33 mode. The composite material of the structure can fully exert the piezoelectric properties of the piezoelectric cylinder, improve the piezoelectric propertiesy of the whole element, and the vibration mode is more favorable for the composite element to be used in the underwater transducer.

导出引用

米徐慧，秦雷，廖擎玮. 1-1-3型压电复合材料的振动模态研究[J]. 振动与冲击, 2018, 37(1): 223-228

Mi xuhui1Qin lei1 Liao qingwei 1. Vibration modes mode of 1-1-3 piezoelectric composites[J]. Journal of Vibration and Shock, 2018, 37(1): 223-228

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