High-sensitive flexural sensors for health monitoring of composite materials using embedded carbon nanotube (CNT) buckypaper

Wang, Meng; Li, Nan; Wang, Gong-Dong; Lu, Shao Wei; Zhao, Qi; Liu, Xi Liang

doi:10.1016/j.compstruct.2020.113280

Cited by 35 publications

(11 citation statements)

References 42 publications

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“…Impact damage monitoring results showed that the first GFRP was more sensitive to matrix damage such as microcracks, while the second was more sensitive to delamination damage, which was because different locations of MWCNTs had different electrical responses to different forms of damage. Li et al 40,113 proposed a self-sensing functional GFRP, where a 2D graphene-formed percolating self-sensing network is Considering the agglomeration phenomenon when dispersing CNTs alone, as well as the excellent mechanical and electrical properties of CNT buckypaper, some scholars [114][115][116] have also used CNT buckypaper to develop self-sensing functional composite structures. Wang et al 116 designed and manufactured a type of self-sensing composite structure based on CNT buckypaper for in-suit SHM.…”

Section: Self-sensing Functional Composite Structuresmentioning

confidence: 99%

“…Li et al 40,113 proposed a self-sensing functional GFRP, where a 2D graphene-formed percolating self-sensing network is Considering the agglomeration phenomenon when dispersing CNTs alone, as well as the excellent mechanical and electrical properties of CNT buckypaper, some scholars [114][115][116] have also used CNT buckypaper to develop self-sensing functional composite structures. Wang et al 116 designed and manufactured a type of self-sensing composite structure based on CNT buckypaper for in-suit SHM. CNT buckypaper was manufactured by vacuum filtration and drying process.…”

Section: Self-sensing Functional Composite Structuresmentioning

confidence: 99%

“…Considering the agglomeration phenomenon when dispersing CNTs alone, as well as the excellent mechanical and electrical properties of CNT buckypaper, some scholars 114-116 have also used CNT buckypaper to develop self-sensing functional composite structures. Wang et al 116 designed and manufactured a type of self-sensing composite structure based on CNT buckypaper for in-suit SHM.…”

Section: Structural-sensing Integration Aircraft Smart Skinmentioning

confidence: 99%

See 2 more Smart Citations

Recent progress in aircraft smart skin for structural health monitoring

Wang

Xiong

et al. 2021

Structural Health Monitoring

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Through the integration of advanced sensors, actuators, and micro-processors, aircraft smart skin technology can improve the structural performance of aircraft and make them self-perception, self-diagnosis, self-adaptation, self-learning, and self-repair. Aircraft smart skin for structural health monitoring (SHM) is an important type of aircraft smart skin and has received extensive attention in recent years. Large-scale, lightweight, and low-power consumption are three key problems hindering the realization and engineering applications of aircraft smart skin for SHM. In view of these problems and restrictions of practical aircraft onboard applications, this article reviews the current research progress on aircraft smart skin for SHM, introduces their design, materials, manufacturing process, and monitoring principles in detail, and discusses how they study above problems from these aspects. Finally, perspectives are proposed on the opportunities and future developments of aircraft smart skin for SHM.

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Section: Self-sensing Functional Composite Structuresmentioning

confidence: 99%

Section: Self-sensing Functional Composite Structuresmentioning

confidence: 99%

Section: Structural-sensing Integration Aircraft Smart Skinmentioning

confidence: 99%

See 1 more Smart Citation

Recent progress in aircraft smart skin for structural health monitoring

Wang

Xiong

et al. 2021

Structural Health Monitoring

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“…These methods of embedded sensors that require additional embedding of other conductive materials are complex inprocess and costly to produce. [32] This article proposes a strain and damage sensing method for 3D printed CCFRCs. The continuous carbon fibers in the structure are the reinforcing phase to improve the mechanical properties of the composite and have the ability to self-sensing.…”

Section: Introductionmentioning

confidence: 99%

Mechanical and self‐sensing properties of 3D printed continuous carbon fiber reinforced composites

Dou

Cheng

et al. 2022

Polymer Composites

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The additive manufacturing technology of continuous carbon fiber reinforced composites (CCFRCs) based on fused filament fabrication offers new opportunities for the preparation and application of composites. This study prepared CCFRCs with excellent mechanical properties based on 3D printing technology. At the same time, a stress–strain and damage sensing method for the CCFRCs is proposed. Research results show that the maximum tensile stress and tensile modulus of 3D printed CCFRCs are 3.36 times and 5.10 times that of PLA, while the maximum flexural stress and flexural modulus are 3.24 times and 4.90 times that of PLA. Furthermore, the stress–strain and damage of CCFRCs strongly correlate with the resistance change in 3D printed structures. The state of the CCFRCs can be sensed by the change of resistance in the structure. Finally, the application potential of 3D printed CCFRCs self‐sensing specimens in action recognition of finger joints was discussed through experiments.

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“…In 1991, Iijima [10] discovered CNT for the first time, which caused extensive research. CNT is regarded as the best new material for real-time structural health monitoring because of its lightweight, good mechanical properties, high conductivity, and easy to build the sensor network [11][12][13]. Compared with traditional strain sensors, CNT sensors can overcome many limitations of existing conventional sensors, such as limited monitoring space and small weight.…”

Section: Introductionmentioning

confidence: 99%

Strain-Sensing Characteristics of Carbon Nanotube Yarns Embedded in Three-Dimensional Braided Composites under Cyclic Loading

Bai

Ding

Jia

et al. 2021

Discrete Dynamics in Nature and Society

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Carbon nanotube yarns are embedded in three-dimensional (3D) braided composites with five-axis yarns, which are used as strain sensors to monitor the damage of 3D braided composites. In the cyclic mechanical loading experiment, the strain-sensing characteristics of 3D braided composites were studied by in situ measuring the resistance change of the embedded carbon nanotube yarn. The 3D five-directional braided composite prefabricated part based on carbon nanotube yarns was developed, and the progressive damage accumulation experiments were carried out on carbon nanotube yarns and specimens embedded in carbon nanotube yarns. The research results show that there is a good correlation between the change of relative resistance of the carbon nanotube yarn and the strain of the composite specimen during cyclic loading and unloading. When the tensile degree of the specimen increases beyond a certain range, the carbon nanotube yarn sensor embedded in the specimen shows resistance hysteresis and produces residual resistance. Therefore, the fiber can better monitor the progressive damage accumulation of 3D five-direction braided composites.

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High-sensitive flexural sensors for health monitoring of composite materials using embedded carbon nanotube (CNT) buckypaper

Cited by 35 publications

References 42 publications

Recent progress in aircraft smart skin for structural health monitoring

Recent progress in aircraft smart skin for structural health monitoring

Mechanical and self‐sensing properties of 3D printed continuous carbon fiber reinforced composites

Strain-Sensing Characteristics of Carbon Nanotube Yarns Embedded in Three-Dimensional Braided Composites under Cyclic Loading

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