Structural Health Monitoring using magnetostrictive sensors

Leung, Z.; Al-Taher, A.; Chan, L.; Walters, N.; McGahan, M.; Hayes, Shannon; Lupu, N.; Murgulescu, I.; Morley, N. A.

doi:10.1109/intmag.2017.8007893

Cited by 5 publications

(10 citation statements)

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“…Previous results have indicated that magnetostrictive response drops rapidly as the impact position moves away from the ribbon [17], and is also shown in the results below. It is possible that an error during synthesis (uneven ribbons spacings) or drop testing (in deviations from the targeted drop position) has affected the readings.…”

Section: B Impact Damagesupporting

confidence: 79%

“…Within the aerospace industry, the finite element analysis (FEA) software ABAQUS is used to model composite components to understand how they behaviour under different forms of strain/stress, including uniform strain and impact damage. To gain a deeper understanding of how the magnetostrictive wires and ribbons, which have previously been measured [17] on the composite surface and within the composite for both uniform tensile stress and 3-point bending measurements, these systems were modelled within the ABAQUS software. Fig.…”

Section: A Abaqus Modellingmentioning

confidence: 99%

“…Early work [15,16] demonstrated that embedded magnetostrictive wires in composite could detect uniform strain [15] and that the sensitivity is comparable with other SHM systems [16]. More recent work has shown that magnetostrictive ribbons have a better sensitivity to uniform strain compared to magnetostrictive wires [17]. This is due to the larger surface area of the ribbon.…”

Section: Introductionmentioning

confidence: 98%

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Magnetostrictive Sensors for Composite Damage Detection and Wireless Structural Health Monitoring

et al. 2019

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The efficacy of magnetostrictive ribbon actuators as aerospace composites impact damage detectors have been investigated through finite element modelling and experimental studies, investigating both the sensitivity of magnetostrictive ribbons embedded and surface mounted using tensile and 3-point bending tests. From the modelling, it was found that the surface mounted ribbons increased the Young's modulus of the system compared to the composite alone, but caused the ribbons to delaminate from the surface before failure. The embedded ribbons did not appear to affect the structural properties of the composite, which was observed through the 3-point bending tests carried out. From the impact damage tests, it was determined that the ribbons had to be embedded 2-ply below the surface to measure impact energies greater than 1.6J. For surface mounted ribbons, damages of 1.6J to the surface could be detected and pinpointed for two ribbons 10mm apart. We also demonstrate in a simple way how a two-ribbon scheme may be used to determine damage position in the tested sample, which may be extended for wireless sensing.

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Section: B Impact Damagesupporting

confidence: 79%

Section: A Abaqus Modellingmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 98%

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Magnetostrictive Sensors for Composite Damage Detection and Wireless Structural Health Monitoring

et al. 2019

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“…composite laminates. Only one ribbon is used, in comparison to previous studies [32]. The laminate was sealed under vacuum at -0.04 bar and later maintained in an autoclave at 6 bar pressure.…”

Section: Inductance Sensors and Data Acquisitionmentioning

confidence: 99%

“…Magnetostrictive ribbons made of Fe78Si7B15 and Co78Si7B15 were placed along the middle ply as well as on the top surface of the composite laminates. Only one ribbon is used, in comparison to previous studies [32]. The laminate was sealed under vacuum at -0.04 bar and later maintained in an autoclave at 6 bar pressure.…”

Section: Sample Fabricationmentioning

confidence: 99%

Design and Development of Magnetostrictive Actuators and Sensors for Structural Health Monitoring

Vincent

Rodrigues

Leong

et al. 2020

Sensors

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Carbon Fibre Reinforced Polymer composite (CFRP) is widely used in the aerospace industry, but is prone to delamination, which is a major causes of failure. Structural Health Monitoring (SHM) systems need to be developed to determine the damage occurring within it. Our motivation is to design cost-effective new sensors and a data acquisition system for magnetostrictive structural health monitoring of aerospace composites using a simple RLC circuit. The developed system is tested on magnetostrictive FeSiB and CoSiB actuator ribbons using a bending rig. Our results show detectable sensitivity of inductors as low as 0.6 μH for a bending rig radii between 600 to 300 mm (equivalent to 0.8 to 1.7 mStrain), which show a strain sensitivity resolution of 0.01 μStrain (surface area: ~36 mm2). This value is at the detectability limit of our fabricated system. The best resolution (1.86 μStrain) was obtained from a 70-turn copper (~64 μH) wire inductor (surface area: ~400 mm2) that was paired with a FeSiB actuator.

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Designing ferrite impregnated epoxy actuators for impact damage detection in carbon fibre reinforced composites

Surakarnkha

Leong

Gong

et al. 2021

Composites Science and Technology

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Structural Health Monitoring using magnetostrictive sensors

Cited by 5 publications

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Magnetostrictive Sensors for Composite Damage Detection and Wireless Structural Health Monitoring

Magnetostrictive Sensors for Composite Damage Detection and Wireless Structural Health Monitoring

Design and Development of Magnetostrictive Actuators and Sensors for Structural Health Monitoring

Designing ferrite impregnated epoxy actuators for impact damage detection in carbon fibre reinforced composites

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