Detection of impact damage in glass fibre-reinforced polymer composites using a microwave planar resonator sensor

IF 3 3区材料科学 Q2 MATERIALS SCIENCE, CHARACTERIZATION & TESTING

Nondestructive Testing and Evaluation Pub Date : 2023-10-28 DOI:10.1080/10589759.2023.2274003

Qi Jin, Haoyan Yu, Zhaozong Meng, Fei Fei, Zhen Li

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Abstract

ABSTRACTA novel non-destructive testing scheme was proposed for the detection of impact damage in glass fibre-reinforced polymer (GFRP) composites using a microwave planar resonator sensor. The sensor offers the advantages of small size, low cost and simple structure. It is an open-circuited λ/2 long microstrip line and the detection principle is material perturbation. Electromagnetic simulation verifies the sensor design. A GFRP specimen subjected to 5,10 and 20 J impact was examined. The 20 J impact damage was detected through line and two-dimensional scanning. The line scanning enabled accurate localisation of the damage, whereas the two-dimensional scanning facilitated more precise reconstruction of the surface damage features in addition to localisation. The sensor performance for detecting impact damage with lower energy levels was investigated by line scanning. It was found that the sensor could detect and locate 10 J impact damage. Principal component analysis was introduced to significantly reduce the false detection of the 5 J impact damage. It is well demonstrated that the proposed scheme could serve as an alternative method.KEYWORDS: Planar resonatorimpact damageGFRPmaterial perturbationresonant frequency Disclosure statementNo potential conflict of interest was reported by the author(s).Additional informationFundingThis work was financially supported by the National Natural Science Foundation of China (Grant No. 52105552) and the Postgraduate Research & Practice Innovation Program of Jiangsu Province (Grant No. SJCX23_0099).

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利用微波平面谐振器传感器检测玻璃纤维增强聚合物复合材料的冲击损伤

提出了一种利用微波平面谐振器传感器检测玻璃纤维增强聚合物(GFRP)复合材料冲击损伤的新型无损检测方法。该传感器具有体积小、成本低、结构简单等优点。它是一条开路λ/2长微带线，检测原理为物质摄动。电磁仿真验证了传感器的设计。对GFRP试样进行了5、10和20 J冲击试验。通过直线扫描和二维扫描检测20 J冲击损伤。线扫描能够精确定位损伤，而二维扫描除了定位外，还有助于更精确地重建表面损伤特征。采用线扫描的方法研究了传感器检测低能级冲击损伤的性能。结果表明，该传感器能够对10j的冲击损伤进行检测和定位。引入主成分分析，可显著降低5j冲击损伤的误检率。结果表明，所提出的方案可以作为一种替代方法。关键词:平面谐振器;冲击损伤;frp;材料微扰;项目资助:国家自然科学基金项目(批准号:52105552);江苏省研究生科研与实践创新计划项目(批准号:52105552);SJCX23_0099)。

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来源期刊

Nondestructive Testing and Evaluation 工程技术-材料科学：表征与测试

CiteScore

4.30

自引率

11.50%

发文量

审稿时长

4 months

期刊介绍： Nondestructive Testing and Evaluation publishes the results of research and development in the underlying theory, novel techniques and applications of nondestructive testing and evaluation in the form of letters, original papers and review articles. Articles concerning both the investigation of physical processes and the development of mechanical processes and techniques are welcomed. Studies of conventional techniques, including radiography, ultrasound, eddy currents, magnetic properties and magnetic particle inspection, thermal imaging and dye penetrant, will be considered in addition to more advanced approaches using, for example, lasers, squid magnetometers, interferometers, synchrotron and neutron beams and Compton scattering. Work on the development of conventional and novel transducers is particularly welcomed. In addition, articles are invited on general aspects of nondestructive testing and evaluation in education, training, validation and links with engineering.