| 纤维增强复合材料太赫兹成像无损检测 |
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| 引用本文： | 李 薇,施长城,张 瑾,韩晓惠,马宇婷,沈 俊,常天英,魏东山,崔洪亮,杜春雷,韩利雄,姚 远,马晓辉.纤维增强复合材料太赫兹成像无损检测[J].太赫兹科学与电子信息学报,2015,13(3):396-400. |
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| 作者姓名： | 李 薇 施长城 张 瑾 韩晓惠 马宇婷 沈 俊 常天英 魏东山 崔洪亮 杜春雷 韩利雄 姚 远 马晓辉 |
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| 作者单位： | 1.National Key Laboratory on High Power Semiconductor Laser，Changchun University of Science and Technology，Changchun Jilin 130022，China；2.Research Center for Terahertz Technology，Key Laboratory of Multi-scale Manufacturing Technology，Chongqing Institute of Green and Intelligent Technology，Chinese Academy of Sciences，Chongqing 400714，China;Research Center for Terahertz Technology，Key Laboratory of Multi-scale Manufacturing Technology，Chongqing Institute of Green and Intelligent Technology，Chinese Academy of Sciences，Chongqing 400714，China;College of Instrumentation Science and Electrical Engineering，Jilin University，Changchun Jilin 130061，China;College of Instrumentation Science and Electrical Engineering，Jilin University，Changchun Jilin 130061，China;College of Instrumentation Science and Electrical Engineering，Jilin University，Changchun Jilin 130061，China;Research Center for Terahertz Technology，Key Laboratory of Multi-scale Manufacturing Technology，Chongqing Institute of Green and Intelligent Technology，Chinese Academy of Sciences，Chongqing 400714，China;1.Research Center for Terahertz Technology，Key Laboratory of Multi-scale Manufacturing Technology，Chongqing Institute of Green and Intelligent Technology，Chinese Academy of Sciences，Chongqing 400714，China；2.College of Instrumentation Science and Electrical Engineering，Jilin University，Changchun Jilin 130061，China;Research Center for Terahertz Technology，Key Laboratory of Multi-scale Manufacturing Technology，Chongqing Institute of Green and Intelligent Technology，Chinese Academy of Sciences，Chongqing 400714，China;1.Research Center for Terahertz Technology，Key Laboratory of Multi-scale Manufacturing Technology，Chongqing Institute of Green and Intelligent Technology，Chinese Academy of Sciences，Chongqing 400714，China；2.College of Instrumentation Science and Electrical Engineering，Jilin University，Changchun Jilin 130061，China;Research Center for Terahertz Technology，Key Laboratory of Multi-scale Manufacturing Technology，Chongqing Institute of Green and Intelligent Technology，Chinese Academy of Sciences，Chongqing 400714，China;Chongqing Polycomp International Corp，Chongqing 400082，China;Chongqing Polycomp International Corp，Chongqing 400082，China;National Key Laboratory on High Power Semiconductor Laser，Changchun University of Science and Technology，Changchun Jilin 130022，China |
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| 基金项目： | 重庆市应用开发重大基金资助项目(cstc2013yykfC00007)；中国科学院“西部之光”人才培养计划“西部博士资助项目”；国家教育部回国人员科研启动基金资助项目 |
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| 摘 要： | 利用太赫兹时域光谱成像技术检测了内含缺陷的玻璃纤维与碳纤维增强复合材料，获得了材料内部缺陷的太赫兹透射图像，从而实现对复合材料样本的无损检测。实验结果表明，太赫兹透射成像技术可检测出多层玻璃纤维复合材料的层间缺陷。但该技术对于碳纤维复合材料中缺陷的检测能力有限，主要是因为碳纤维具有导电特性，导致太赫兹信号对其穿透能力有限。通过对成像模式的调节，太赫兹无损检测技术可对碳纤维材料内部深度约为0.2 mm、宽度为10 mm的缺陷进行成像检测。这为发展准确、灵敏、高效的纤维增强复合材料太赫兹无损检测技术提供了基础实验数据。
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| 关 键 词： | 太赫兹时域光谱成像技术 无损检测 玻璃纤维增强复合材料 碳纤维增强复合材料 层间缺陷 |
| 收稿时间： | 2014/12/13 0:00:00 |
| 修稿时间： | 2/9/2015 12:00:00 AM |
Nondestructive evaluation of fiber reinforced plastic using terahertz imaging |
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| LI Wei,SHI Changcheng,ZHANG Jin,HAN Xiaohui,MA Yuting,SHEN Jun,CHANG Tianying,WEI Dongshan,CUI Hongliang,DU Chunlei,HAN Lixiong,YAO Yuan and MA Xiaohui.Nondestructive evaluation of fiber reinforced plastic using terahertz imaging[J].Journal of Terahertz Science and Electronic Information Technology,2015,13(3):396-400. |
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| Authors: | LI Wei SHI Changcheng ZHANG Jin HAN Xiaohui MA Yuting SHEN Jun CHANG Tianying WEI Dongshan CUI Hongliang DU Chunlei HAN Lixiong YAO Yuan and MA Xiaohui |
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| Abstract: | Terahertz Time-Domain Spectroscopic(THz-TDS) imaging technology is utilized to inspect the inner defects in the Glass/Carbon Fiber Reinforced Plastic(GFRP/CFRP). The nondestructive evaluation of FRP is accomplished by obtaining the transmission terahertz images of samples. The results demonstrate the delamination in GFRP with multi-layer structure can be effectively detected by THz-TDS imaging technology. Nevertheless, the capability of this technology for inspecting the defects in CFRP is limited mostly because the CFRP is electrically conductive, resulting the amount of terahertz signal transmitting through the CFRP is limited. By adjusting the imaging orientation, THz Nondestructive Evaluation(NDE) technology can be used to image and detect the inner defect(depth:0.2 mm, width:10 mm) within the CFRP samples. This study provides basic experimental data for the development of an accurate, sensitive, and effective THz NDE technique of FRP. |
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