预埋碳纳米纸位移传感器设计及其性能研究

doi:10.19936/j.cnki.2096-8000.20211228.005

复合材料科学与工程 ›› 2021, Vol. 0 ›› Issue (12): 34-39.DOI: 10.19936/j.cnki.2096-8000.20211228.005

预埋碳纳米纸位移传感器设计及其性能研究

韩承霖, 邹爱丽^*, 王共冬, 王萌, 李南, 李桦

沈阳航空航天大学航空宇航学院,沈阳110136

收稿日期:2021-03-30 出版日期:2021-12-28 发布日期:2022-01-07
通讯作者: 邹爱丽(1979-),女,博士,副教授,研究方向为复合材料数字化制造,Zouaili0412@163.com。
作者简介:韩承霖(1997-),男,硕士研究生,研究方向为复合材料数字化制造。
基金资助:
辽宁省教育厅基金(L201734);辽宁省教育厅系列项目(JYT2020013);辽宁省博士启动基金重点项目(20170520019)

Design and performance of embedded carbon nanopaper displacement sensor

HAN Cheng-lin, ZOU Ai-li^*, WANG Gong-dong, WANG Meng, LI Nan, LI Hua

Aerospace Academy, Shenyang Aerospace University, Shenyang 110136, China

Received:2021-03-30 Online:2021-12-28 Published:2022-01-07

摘要/Abstract

摘要： 利用碳纳米纸三维网络结构对弯曲应力应变变化的敏感特性,研制了一种基于玻璃纤维增强复合材料(GFRP)-碳纳米纸(BP)新型位移传感器。通过设计三种不同厚度、预埋位置的位移传感器,基于三点弯曲实验平台对其展开性能测试,探究传感器厚度与预埋位置对其传感性能的影响。性能测试结果表明:新型位移传感器电阻变化率与位移具有良好的二次拟合关系;其灵敏度主要受位移区间、传感器厚度以及预埋位置的影响;该传感器具有较好的重复性。经实验验证,当传感器厚且碳纳米纸位于中性面下方时,传感性能最佳,可控制误差在±0.1 mm范围内。

关键词: 碳纳米纸, GFRP, 位移传感器, 传感性能

Abstract: In this paper, a new displacement sensor based on glass fiber reinforced composites (GFRP) and carbon nanopaper (BP) was developed based on the sensitivity of three-dimensional network structure of carbon nanopaper to bending stress and strain. Three displacement sensors with different thickness and embedded position were designed, and their performance was tested based on the three-point bending experimental platform to explore the influence of sensor thickness and embedded position on its sensing performance. The performance test results show that the resistance change rate of the new displacement sensor has a good quadratic fitting relationship with the displacement. Its sensitivity is mainly affected by the displacement range, sensor thickness and embedded position. The sensor has good repeatability. Experimental results show that when the sensor is thick and the carbon nanopaper is located below the neutral surface, the sensing performance is the best, and the controlled error is within the range of ±0.1 mm.

Key words: carbon nanotubes paper, GFRP, displacement sensor, sensing property

中图分类号:

TB332

韩承霖, 邹爱丽, 王共冬, 王萌, 李南, 李桦. 预埋碳纳米纸位移传感器设计及其性能研究[J]. 复合材料科学与工程, 2021, 0(12): 34-39.

HAN Cheng-lin, ZOU Ai-li, WANG Gong-dong, WANG Meng, LI Nan, LI Hua. Design and performance of embedded carbon nanopaper displacement sensor[J]. COMPOSITES SCIENCE AND ENGINEERING, 2021, 0(12): 34-39.

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预埋碳纳米纸位移传感器设计及其性能研究

Design and performance of embedded carbon nanopaper displacement sensor

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