Impact sensing and localization in composites structures with embedded mechanoluminescence-perovskite sensors

IF 4.1 3区工程技术 Q2 ENGINEERING, ELECTRICAL & ELECTRONIC Sensors and Actuators A-physical Pub Date : 2022-10-16 DOI:10.1016/j.sna.2022.113843

Lucas Braga Carani , Terrencia Deniqua Martin , Vincent Obiozo Eze , Okenwa Izeji Okoli

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引用次数: 5

Abstract

Mechanoluminescence (ML)-perovskite sensors have shown potential for real-time impact sensing in composites structure. The sensors can be embedded in the structure for in-situ and real-time structural health monitoring (SHM) applications. Our previous work demonstrated the potential of a flexible ML-perovskite sensor for SHM systems and the possibility of sensor embedment in a fiber-reinforced composite structure. However, the viability of the sensor to predict impact localization remains unexplored. This paper investigates the potential of the sensors for impact localization in composite laminates. Herein, embedded ML-perovskite sensors are placed throughout a composite plate to monitor the host structure. By monitoring and correlating the changes in the electrical current of the sensors, it is possible to predict the impact location in the structure. The experimental results show that the ML-perovskite sensor can accurately detect and locate impact events when embedded in a composite structure. This work reveals the potential of ML-perovskite sensors for damage detection and localization prediction in composite materials.

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复合材料结构中嵌入机械发光-钙钛矿传感器的冲击传感与定位

机械发光(ML)-钙钛矿传感器在复合材料结构中显示出实时冲击传感的潜力。传感器可以嵌入到结构中，用于现场和实时结构健康监测(SHM)应用。我们之前的工作证明了柔性ml -钙钛矿传感器用于SHM系统的潜力，以及传感器嵌入纤维增强复合材料结构的可能性。然而，传感器预测撞击定位的可行性仍未得到探索。本文探讨了传感器在复合材料层合板冲击定位中的潜力。在此，嵌入ml -钙钛矿传感器被放置在整个复合板上以监测主体结构。通过监测和关联传感器的电流变化，可以预测结构中的冲击位置。实验结果表明，将ml -钙钛矿传感器嵌入复合材料结构中，可以准确地检测和定位冲击事件。这项工作揭示了ml -钙钛矿传感器在复合材料损伤检测和定位预测方面的潜力。

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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...