2-2 PIMNT/epoxy 压电复合材料的模拟和结构设计

IF 4.6 Q2 MATERIALS SCIENCE, BIOMATERIALS

ACS Applied Bio Materials Pub Date : 2024-01-23 DOI:10.1142/s2010135x23500315

Wanggen Chen, Fei Wen, Yao Wan, Lili Li, Yang Li, Yu Zhou

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引用次数: 0

摘要

压电材料因其能量转换特性而常用于转换机电信号的传感器中。我们设计了一种 PIMNT/epoxy 2-2 复合材料，以充分利用 PIMNT 单晶优异的束模压电和声学特性。按照压电陶瓷复合材料的方法，我们选择了 PIMNT 压电单晶和 EPO-TEK301-2 环氧树脂作为复合材料，并将有限元分析与实验制备相结合。我们制备、测试并分析了 2-2 种不同体积分数的压电单晶复合材料，结果表明这些复合材料具有较高的机电耦合性能（[计算公式：见正文]%）和较低的声阻抗（[计算公式：见正文][计算公式：见正文]MRayl）。这些令人鼓舞的发现表明，利用 PIMNT/epoxy 2-2 复合材料设计高性能超声波传感器是有可能的。

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Simulation and structural design of 2–2 PIMNT/epoxy piezoelectric composites

Piezoelectric materials are commonly used in transducers to convert electromechanical signals due to their energy conversion characteristics. We designed a PIMNT/epoxy 2–2 composite to take full advantage of the excellent beam-mode piezoelectric and acoustic features of PIMNT single crystals. Following the approach used for piezoelectric ceramic composites, we selected PIMNT piezoelectric single crystal and EPO-TEK301-2 epoxy resin for the composite, and combined finite element analysis with experimental preparation. We prepared, tested and analyzed 2–2 piezoelectric single crystal composites with varying volume fractions, which showed high electromechanical coupling properties ([Formula: see text]%) and low acoustic impedance ([Formula: see text][Formula: see text]MRayl). These encouraging findings suggest the possibility of devising high-performance ultrasonic transducers utilizing the PIMNT/epoxy 2–2 composite.

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来源期刊

ACS Applied Bio Materials Chemistry-Chemistry (all)

CiteScore

9.40

自引率

2.10%

发文量

464

期刊介绍： ACS Applied Bio Materials is an interdisciplinary journal publishing original research covering all aspects of biomaterials and biointerfaces including and beyond the traditional biosensing, biomedical and therapeutic applications. The journal is devoted to reports of new and original experimental and theoretical research of an applied nature that integrates knowledge in the areas of materials, engineering, physics, bioscience, and chemistry into important bio applications. The journal is specifically interested in work that addresses the relationship between structure and function and assesses the stability and degradation of materials under relevant environmental and biological conditions.