Magnetostrictive Sensors for Composite Damage Detection and Wireless Structural Health Monitoring

Leong, Zhaoyuan; Holmes, William; Clarke, James; Padki, Akshay; Hayes, Shannon; Morley, N. A.

doi:10.1109/tmag.2019.2899537

Cited by 13 publications

(6 citation statements)

References 14 publications

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“…[24,25] Other researchers also examined polymer-based composites of magnetostrictive materials for SHM applications. [26][27][28][29] Studies developed novel epoxy-based composite materials by integrating Fe-Co alloys (Fe 29 Co 71 ), which exhibit ductility and good workability, in a matrix utilizing the high aspect ratio of magnetostrictive wires. [30][31][32][33][34] These studies mainly investigated the magnetostrictive response to compressive stress.…”

Section: Doi: 101002/adem202300529mentioning

confidence: 99%

Monitoring of Allowable Bending Stress Overload in Glass‐Fiber‐Reinforced Polymer Composites Using Magnetostrictive Fe–Co Fibers

Katabira,

Kurita,

Mori

et al. 2023

Adv Eng Mater

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For the safe operation of glass‐fiber‐reinforced polymer (GFRP) laminates, evaluating the applied stress and the health of composite structures is crucial. Magnetostrictive materials are functional materials that can be applied to structural health monitoring as sensor materials. Herein, a method for detecting whether the maximum stress of GFRP laminates under bending exceeds the allowable stress using magnetostrictive fibers is proposed. First, magnetostrictive Fe–Co alloy fibers are embedded in GFRP laminates. Then, four‐point bending tests are conducted. Magnetomechanical coupled modeling based on the composite beam theory is then applied to the experimental results. The effects of the position of Fe–Co fibers on the magnetostrictive behavior and mechanical properties of the prepared composites are evaluated. A concept for monitoring the relationship between the maximum bending stress and the allowable stress of the composite materials is proposed.

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Section: Doi: 101002/adem202300529mentioning

confidence: 99%

Monitoring of Allowable Bending Stress Overload in Glass‐Fiber‐Reinforced Polymer Composites Using Magnetostrictive Fe–Co Fibers

Katabira,

Kurita,

Mori

et al. 2023

Adv Eng Mater

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“…Further work can be aimed at improving the quality of the signal transmission by incorporating a printed wheatstone bridge circuit within the CFRP [49]. For adequate implementation in SHM in an industrial context, additional work can be done to detect the damage location, damage type, and size of damage [50,51]. In terms of adhesion classification, an encapsulating layer comprising a silicone elastomer can be added to protect the exposed surface from external factors such as high stress dynamic environment and friction.…”

Section: Sensor Performance After Induced Strainmentioning

confidence: 99%

Integrated Fabrication of Novel Inkjet-Printed Silver Nanoparticle Sensors on Carbon Fiber Reinforced Nylon Composites

et al. 2021

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Inkjet-printing technology enables the contactless deposition of functional materials such as conductive inks on surfaces, hence reducing contamination and the risk of substrate damage. In printed electronics, inkjet technology offers the significant advantage of controlling the volume of material deposited, and therefore the fine-tuning of the printed geometry, which is crucial for the performance of the final printed electronics. Inkjet printing of functional inks can be used to produce sensors to detect failure of mechanical structures such as carbon fiber reinforced composite (CFRC) components, instead of using attached sensors, which are subject to delamination. Here, silver nanoparticle-based strain sensors were embedded directly in an insulated carbon-fiber laminate by using inkjet printing to achieve an optimized conductive and adhesive geometry, forming a piezoresistive strain sensor. Following the inkjet-printing optimization process, the sensor conductivity and adhesion performance were evaluated. Finally, the sensor was quantified by using a bending rig which applied a pre-determined strain, with the response indicating an accurate sensitivity as the resistance increased with an increased strain. The ability to embed the sensor directly on the CFRC prevents the use of interfacial adhesives which is the main source of failure due to delamination.

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“…It can be used in SHM technology to detect and monitor curved thin-wall structures in the aerospace industry, so as to avoid life and economic losses. Leong et al [ 27 ] researched the efficacy of magnetostrictive belt sensors as impact damage detectors for aerospace composites, and used tensile and three-point bending tests to study the sensitivity of embedded magnetostrictive belts and surface installation so as to promote structural flaw detection of composite materials through wireless sensing.…”

Section: Introductionmentioning

confidence: 99%

Design and Optimization of High-Power and Low-Frequency Broadband Transducer with Giant Magnetostrictive Material

Yang

Wang

Zhao

et al. 2022

Sensors

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The applications of sensors in the aerospace industry are mostly concentrated in the middle and high frequencies, and low-frequency sensors often face the problems of low power and short working bandwidth. A lightweight, thin, high-power, low-frequency broadband transducer based on giant magnetostrictive material is designed. The design and optimization processes of the core components are introduced and analyzed emphatically. The finite element simulation results are validated by the PSV-100 laser vibration meter. Three basic configurations of the work panel are proposed, and the optimal configuration is determined by modal, acoustic, and vibration coupling analyses. Compared with the original configuration, it is found that the lowest resonant frequency of the optimal configuration is reduced by 24.6% and the highest resonant frequency within 2000 Hz is 1744.9 Hz, which is 54.2% higher than that of the original configuration. This greatly improves the vibration power and operating frequency range of the transducer. Then, the honeycomb structure is innovatively applied to the work panel, and it is verified that the honeycomb structure has a great effect on the vibration performance of the work panel. By optimizing the size of the honeycomb structure, it is determined that the honeycomb structure can improve the vibration power of the work panel to its maximum value when the distance between the half-opposite sides of the hexagon is H = 3.5 mm. It can reduce the resonant frequency of the work panel; the lowest resonant frequency is reduced by 12.8%. At the same time, the application of a honeycomb panel structure can reduce the weight of the transducer.

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Magnetostrictive Sensors for Composite Damage Detection and Wireless Structural Health Monitoring

Cited by 13 publications

References 14 publications

Monitoring of Allowable Bending Stress Overload in Glass‐Fiber‐Reinforced Polymer Composites Using Magnetostrictive Fe–Co Fibers

Monitoring of Allowable Bending Stress Overload in Glass‐Fiber‐Reinforced Polymer Composites Using Magnetostrictive Fe–Co Fibers

Integrated Fabrication of Novel Inkjet-Printed Silver Nanoparticle Sensors on Carbon Fiber Reinforced Nylon Composites

Design and Optimization of High-Power and Low-Frequency Broadband Transducer with Giant Magnetostrictive Material

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