用于高灵敏度声学的高频镶嵌圆柱形压电换能器

IF 1.3 4区物理与天体物理 Q4 PHYSICS, CONDENSED MATTER

Ferroelectrics Letters Section Pub Date : 2023-05-04 DOI:10.1080/07315171.2023.2189852

Tian Rong, Qinghua Luo, Chenxu Wang, Yingchun Li, Guangle Jia, Zhaoxiang Yu

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引用次数: 0

摘要

通过提高机电耦合系数，放大应力，采用周向镶嵌技术，研制了一种高频高灵敏度的嵌装圆柱形水声换能器。采用等效电路法和有限元仿真法确定了换能器的最佳参数，并对换能器进行了制作。试验表明，各阵列单元的谐振频率为220 kHz。最大发射电压响应和接收灵敏度分别约为172 dB和- 177 dB，发射和接收带宽均约为40 kHz，损耗为3db。每个单元的水平和垂直光束宽度分别为15°和4°。

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High-frequency inlaid cylindrical piezoelectric transducer for high-sensitivity acoustics

Abstract This work develops a high-frequency high-sensitivity inlaid cylindrical hydroacoustic transducer by enhancing the electromechanical coupling coefficient, amplifying stress, and adopting circumferential inlaid techniques. Equivalent circuit and finite element simulation methods were used to determine the optimum parameters of the unit, then the transducer was fabricated. Tests show that the resonant frequency of every array unit was 220 kHz. The maximum emission voltage response and reception sensitivity were respectively about 172 dB and −177 dB, with emission and reception bandwidths both about 40 kHz at 3 dB loss. The horizontal and vertical beamwidths were 15° and 4° for each unit respectively.

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来源期刊

Ferroelectrics Letters Section 物理-物理：凝聚态物理

CiteScore

1.10

自引率

0.00%

发文量

审稿时长

4.8 months

期刊介绍： Ferroelectrics Letters is a separately published section of the international journal Ferroelectrics. Both sections publish theoretical, experimental and applied papers on ferroelectrics and related materials, including ferroelastics, ferroelectric ferromagnetics, electrooptics, piezoelectrics, pyroelectrics, nonlinear dielectrics, polymers and liquid crystals. Ferroelectrics Letters permits the rapid publication of important, quality, short original papers on the theory, synthesis, properties and applications of ferroelectrics and related materials.