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论文:2021,Vol:39,Issue(6):1204-1211 |
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引用本文： |
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周懿明, 崔荣洪, 宋雨键, 陈涛, 樊祥洪, 马斌麟, 张天宇. 基于格栅式薄膜传感器的金属结构裂纹监测[J]. 西北工业大学学报 |
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ZHOU Yiming, CUI Ronghong, SONG Yujian, CHEN Tao, FAN Xianghong, MA Binlin, ZHANG Tianyu. Monitoring cracks of metal structure based on grating thin-film sensor[J]. Northwestern polytechnical university |
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| 基于格栅式薄膜传感器的金属结构裂纹监测 |
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| 周懿明1, 崔荣洪1, 宋雨键2, 陈涛1, 樊祥洪1, 马斌麟1, 张天宇1 |
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1. 空军工程大学 航空工程学院, 陕西 西安 710038;
2. 中国人民解放军 95949部队, 河北 沧州 061022 |
| 摘要: |
| 金属结构孔边是飞机结构中最容易出现裂纹的位置，实现金属结构孔边裂纹的定量监测是结构健康监测领域的重要研究内容，因此提出了一种基于电位法的格栅式薄膜传感器。采用阳极氧化工艺在2A12-T4铝合金基体上制备了Al2O3薄膜以防止金属基体对传感器监测信号造成干扰，然后采用直流叠加脉冲偏压电弧离子镀技术在表面制备了格栅式薄膜传感器；通过建立格栅式薄膜传感器的有限元模型，得到传感器的输出特性，分析研究了传感器灵敏度的各影响因素；开展疲劳裂纹监测试验，验证了格栅式薄膜传感器的疲劳裂纹定量监测能力。试验结果表明，格栅式薄膜传感器具有应用于飞机金属结构孔边疲劳裂纹定量监测的可行性。 |
| 关键词:
薄膜传感器
飞机结构健康监测
裂纹定量监测
电位法
电弧离子镀
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| Monitoring cracks of metal structure based on grating thin-film sensor |
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| ZHOU Yiming1, CUI Ronghong1, SONG Yujian2, CHEN Tao1, FAN Xianghong1, MA Binlin1, ZHANG Tianyu1 |
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1. College of Aeronautic Engineering, Air Force Engineering University, Xi'an 710038, China;
2. Unit 95949 of the Chinese People's Liberation Army, Cangzhou 061022, China |
| Abstract: |
| The hole edge of a metal structure is the most likely crack position in an aircraft structure. The quantitative monitoring of a hole-edge crack is important for structural health monitoring. Therefore, this paper presented a grating thin-film sensor based on the potentiometric method. Firstly, the anodic oxidation process was used to prepare thin film on 2A12-T4 aluminum alloy matrix to prevent the aluminum alloy matrix from interfering with the monitoring signal of the sensor. Then the DC superimposed pulsed bias arc ion plating technique was used to prepare the grating thin-film sensor on the surface of the specimen. The output characteristics of the grating thin-film sensor are obtained with its finite element model, and the factors affecting the sensitivity of the sensor are analyzed. Finally, the fatigue crack monitoring tests were carried out to verify the quantitative monitoring capability of the grating thin film sensor. The experimental results show that it is feasible for the grating thin-film sensor to quantitatively monitor the fatigue crack at the hole edge of an aircraft metal structure. |
| Key words:
thin-film sensor
aircraft structural health monitoring
crack quantitative monitoring
potentiometric method
arc ion plating technology
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| 收稿日期: 2021-04-21
修回日期:
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| DOI: 10.1051/jnwpu/20213961204 |
| 基金项目: 国家重点研发计划（2018YFF0214701）与陕西省重点研发项目（2018GY-021）资助 |
| 通讯作者: 崔荣洪(1982-),空军工程大学副教授,主要从事结构健康监测技术、结构寿命预测及管理研究。e-mail:woaizhongguo1996ai@163.com
Email：woaizhongguo1996ai@163.com |
| 作者简介: 周懿明(1998-),空军工程大学硕士研究生,主要从事结构健康监控技术研究。
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