基于柔性压电材料传感器的法兰螺栓松动检测
Flange bolt looseness detection based on flexible piezoelectric material sensor
摘 要
采用柔性压电复合材料传感器进行法兰螺栓松动检测,研究PZT粒径对复合材料压电和介电性能的影响。制备的复合材料压电电压常数g33达到117 mV·N-1。采用柔性复合材料传感器接收单个和多个螺栓在不同松动程度下的超声波,获得超声波透射信号首达波幅值随螺栓松动变化规律。结果表明,随着单个法兰螺栓松动程度加剧,超声波透射信号首达波幅值减小;法兰螺栓在相同预紧力矩情况下,超声波透射信号首达波幅值随着螺栓松动个数增加而减小。研究可为法兰螺栓松动定量检测提供理论依据。
压电复合材料
PZT粒径
超声波首达波幅值
预紧力矩
flange bolt loose
piezoelectric composite
PZT particle size
ultrasonic wave amplitude at first
pre-tightening torque
Abstract
Flange bolt loosening can be detected by using the flexible piezoelectric composite sensor. The effect of PZT particle size on the piezoelectric and dielectric properties of the composites was experimentally studied. The piezoelectric voltage constant g33 of the prepared composites reached 117 mV·N-1. The flexible composite material sensor was used to receive ultrasonic waves with different loosening degrees of single and multiple bolts, and the variation law of the first arrival wave amplitude of the ultrasonic transmission signal with the loosening of the bolts was obtained. The experimental results have shown that as the loosening degree of a single flange bolt increases, the amplitude of the first arrival wave of the ultrasonic transmission signal decreases. Under the same pre-tightening torque of flange bolts, the first arrival wave amplitude of ultrasonic transmission signal decreases with the increase of the number of loose bolts, which shall provide a theoretical basis for quantitative detection of flange bolt looseness.
中图分类号 TH878 TB551 TG115.28 DOI 10.11973/wsjc202209004
所属栏目 试验研究
基金项目 湖南创新型省份建设专项经费资助项目(2019RS2062,2020RC3049);湖南省自然科学基金资助项目(2020JJ6029,2021JJ60007,2022JJ30260);湖南省教育厅重点项目(21A0310)
收稿日期 2022/2/14
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备注沈意平(1981-),女,博士,教授,研究方向为新型压电传感技术、结构健康监测
引用该论文: SHEN Yiping,WENG Jing,LIU Yi,JIANG Shuai,YANG Xuebing. Flange bolt looseness detection based on flexible piezoelectric material sensor[J]. Nondestructive Testing, 2022, 44(9): 16～21
沈意平,翁晶,刘翊,蒋帅,阳雪兵. 基于柔性压电材料传感器的法兰螺栓松动检测[J]. 无损检测, 2022, 44(9): 16～21
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【8】ZHANG Y F.In situ fatigue crack detection using piezoelectric paint sensor[J].Journal of Intelligent Material Systems and Structures,2006,17(10):843-852.
【9】杨照光,张涛允,温定筠,等.基于0-3型压电复合材料的声发射传感器的研制[J].电子元件与材料,2014,33(6):69-71.
【10】KANG S H,KANG L H.Development of wireless bird collision monitoring system using 0-3 piezoelectric composite sensor on wind turbine blades[J].Journal of Intelligent Material Systems and Structures,2018,29(17):3426-3435.
【11】沈意平,刘缘,王钢,等.基于Lamb波的压电陶瓷/环氧树脂复合材料传感器制备及应用[J].仪器仪表学报,2019,40(12):19-25.
【12】沈意平,吴迪,张博南,等.钢轨裂纹导波检测的柔性压电复合材料传感技术研究[J].仪器仪表学报,2021,42(11):62-70.
【13】龚红宇,张玉军,车松蔚,等.粒度对水泥基压电复合材料的压电性能和力学性能的影响[J].人工晶体学报,2011,40(1):213-217.
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【15】BIWA S,NAKAJIMA S,OHNO N.On the acoustic nonlinearity of solid-solid contact with pressure-dependent interface stiffness[J].Journal of Applied Mechanics,2004,71(4):508-515.
【16】焦敬品,曾宪超,刘文华,等.承压界面接触特性超声检测[J].北京工业大学学报,2012,38(6):807-812.
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