A semi-flexible 1–1–2-type piezoelectric composite with three-component nested structures

IF 4.1 3区工程技术 Q2 ENGINEERING, ELECTRICAL & ELECTRONIC

Sensors and Actuators A-physical Pub Date : 2025-03-22 DOI:10.1016/j.sna.2025.116486

Jinying Zhang , Jiacheng Wang , Jiaxing Yang , Zhongwei Gao , Shuai Xu , Chong Zhao , Chao Zhong , Lei Qin

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引用次数: 0

Abstract

To achieve transducing materials of high electromechanical coupling factor, high adaptability and high compatibility, this paper proposes a semi-flexible 1–1–2-type nested composite (1–1–2-type composite) composed of piezoelectric ceramics, epoxy resin and silicone rubber. Based on the uniform theory and the mixed field theory, an equivalent parameter model of 1–1–2-type composites is established, and the influence of structural parameters on the resonance parameters of the 1–1–2-type composites are analyzed. Finite element simulation is conducted on the 1–1–2-type composite to verify the effectiveness of the equivalent parameter model. The “dice-fill” technique is used to fabricate 1–1–2-type composite samples. The results show that the 1–1–2-type composite has a significant thickness vibration mode. These 1–1–2-type composites exhibit a high thickness electromechanical coupling factor, with an average value of 0.69 across all samples and a peak value reaching 0.72. Compared to traditional 1–3-type composites, this improvement can be as high as 20 %. 1–1–2-type composite combines the advantages of high electromechanical properties, high conformability, and high compatibility, along with good resistance to hydrostatic pressure, making it highly promising for the development of innovative multifunctional curved transducers and their arrays.

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来源期刊

Sensors and Actuators A-physical 工程技术-工程：电子与电气

CiteScore

8.10

自引率

6.50%

发文量

630

审稿时长

49 days

期刊介绍： Sensors and Actuators A: Physical brings together multidisciplinary interests in one journal entirely devoted to disseminating information on all aspects of research and development of solid-state devices for transducing physical signals. Sensors and Actuators A: Physical regularly publishes original papers, letters to the Editors and from time to time invited review articles within the following device areas: • Fundamentals and Physics, such as: classification of effects, physical effects, measurement theory, modelling of sensors, measurement standards, measurement errors, units and constants, time and frequency measurement. Modeling papers should bring new modeling techniques to the field and be supported by experimental results. • Materials and their Processing, such as: piezoelectric materials, polymers, metal oxides, III-V and II-VI semiconductors, thick and thin films, optical glass fibres, amorphous, polycrystalline and monocrystalline silicon. • Optoelectronic sensors, such as: photovoltaic diodes, photoconductors, photodiodes, phototransistors, positron-sensitive photodetectors, optoisolators, photodiode arrays, charge-coupled devices, light-emitting diodes, injection lasers and liquid-crystal displays. • Mechanical sensors, such as: metallic, thin-film and semiconductor strain gauges, diffused silicon pressure sensors, silicon accelerometers, solid-state displacement transducers, piezo junction devices, piezoelectric field-effect transducers (PiFETs), tunnel-diode strain sensors, surface acoustic wave devices, silicon micromechanical switches, solid-state flow meters and electronic flow controllers. Etc...