Non-destructive testing of carbon-fibre-reinforced polymer materials with a radio-frequency inductive sensor

Salski, Bartłomiej; Gwarek, W.; Korpas, Przemysław; Reszewicz, Szymon; Chong, Alvin Yung Boon; Theodorakeas, Panagiotis; Hatziioannidis, I.; Kappatos, Vassilios; Selcuk, Cem; Gan, Tat Hean; Koui, Maria; Iwanowski, Marcin; Zieliński, Bartosz

doi:10.1016/j.compstruct.2014.11.056

Cited by 44 publications

(24 citation statements)

References 20 publications

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“…9b is correlated with the orientation of the front CFRP twill [15]. Moreover, the RF image measured at a higher frequency of 200 MHz, which is more sensitive to surface roughness of the inhomogeneous CFRP sample, contributes to larger fluctuations visible in Fig.…”

Section: Flat Cfrp Panelmentioning

confidence: 89%

“…The sensor array is integrated with a portable automated scanner. Since the sensors and measurement procedures have already been discussed in [14][15][16], the attention is focused in this paper on the scanner developed to carry out the experiments validating the whole RFIT NDT system on both planar and curved CFRP composites with typical buried and surface defects. The results clearly demonstrate the applicability of such automated RFIT system for reliable and efficient CFRP inspection.…”

Section: Introductionmentioning

confidence: 99%

“…As a result of the recent successful development of the planar coupled spiral inductors tailored for the NDT of CFRP composites [14,15], the sensor and auxiliary electronic modules were subject to further development [16] in which a line array of sensors is realized. The sensor array is integrated with a portable automated scanner.…”

Section: Introductionmentioning

confidence: 99%

“…One of promising techniques that successfully addresses the aforementioned challenges is radio-frequency inductive testing (RFIT) [14,15] with a single sensor built of two coupled spiral inductors manufactured on a printed circuit board (PCB). First of all, as it has been shown in [14], the point spread function (PSF) of the sensor is strongly anisotropic, thus, enabling the characterization of such materials like CFRP.…”

Section: Introductionmentioning

confidence: 99%

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Portable Automated Radio-Frequency Scanner for Non-destructive Testing of Carbon-Fibre-Reinforced Polymer Composites

et al. 2016

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A portable automated scanner for non-destructive testing of carbon-fibre-reinforced polymer (CFRP) composites has been developed. Measurement head has been equipped with an array of newly developed radio-frequency (RF) inductive sensors mounted on a flexible arm, which allows the measurement of curved CFRP samples. The scanner is also equipped with vacuum sucks providing mechanical stability. RF sensors operate in a frequency range spanning from 10 up to 300 MHz, where the largest sensitivity to defects buried below the front CFRP surface is expected. Unlike to ultrasonic testing, which will be used for reference, the proposed technique does not require additional couplants. Moreover, negligible cost and high repeatability of inductive sensors allows developing large scanning arrays, thus, substantially speeding up the measurements of large surfaces. The objective will be to present the results of an extensive measurement campaign undertaken for both planar and curved large CFRP samples, pointing out major achievements and potential challenges that still have to be addressed.

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Section: Flat Cfrp Panelmentioning

confidence: 89%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Portable Automated Radio-Frequency Scanner for Non-destructive Testing of Carbon-Fibre-Reinforced Polymer Composites

et al. 2016

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“…Recently, a new kind of electromagnetic (EM) sensor with coupled spiral inductors (CSI) for CFRP composites [14][15][16] has been proposed. This sensor has several advantages, such as its low power consumption, low cost, potential for high speed scanning, non-contact, one-sided scanning capability and no need for piezoelectric transducers (e.g., Lamb waves) or couplants (e.g., ultrasonic testing).…”

Section: Introductionmentioning

confidence: 99%

Detection of Impact Damage in Carbon Fiber Composites Using an Electromagnetic Sensor

Haigh

Saleh

et al. 2017

Research in Nondestructive Evaluation

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ReuseUnless indicated otherwise, fulltext items are protected by copyright with all rights reserved. The copyright exception in section 29 of the Copyright, Designs and Patents Act 1988 allows the making of a single copy solely for the purpose of non-commercial research or private study within the limits of fair dealing. The publisher or other rights-holder may allow further reproduction and re-use of this version -refer to the White Rose Research Online record for this item. Where records identify the publisher as the copyright holder, users can verify any specific terms of use on the publisher's website. TakedownIf you consider content in White Rose Research Online to be in breach of UK law, please notify us by emailing eprints@whiterose.ac.uk including the URL of the record and the reason for the withdrawal request. DETECTION OF IMPACT DAMAGE IN CARBON FIBRE COMPOSITES USING AN ELECTROMAGNETIC SENSOR

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Direct and inverse problems for prestressed functionally graded plates in the framework of the Timoshenko model

Nedin

Vatul’yan

Bogachev

2017

Math Methods in App Sciences

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In this study, modelling and identification of prestress state in functionally graded plate within the framework of the Timoshenko theory are discussed. With the help of variational principles, statements of boundary problems for stationary vibration of inhomogeneous prestressed plates have been derived taking into account various factors of prestress state. The comparative analysis of classical and nonclassical models has been conducted. The effect of the prestress state factors on the solution characteristics has been estimated. New approaches to solving the inverse problems on a reconstruction of inhomogeneous prestress functions in a functionally graded plate have been proposed on the basis of derivation of reciprocity relations and iterative regularization. The results of numerical reconstruction experiments are presented; practical recommendations on a selection of frequency range for the purpose of getting the highest reconstruction accuracy are given.

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Non-destructive testing of carbon-fibre-reinforced polymer materials with a radio-frequency inductive sensor

Cited by 44 publications

References 20 publications

Portable Automated Radio-Frequency Scanner for Non-destructive Testing of Carbon-Fibre-Reinforced Polymer Composites

Portable Automated Radio-Frequency Scanner for Non-destructive Testing of Carbon-Fibre-Reinforced Polymer Composites

Detection of Impact Damage in Carbon Fiber Composites Using an Electromagnetic Sensor

Direct and inverse problems for prestressed functionally graded plates in the framework of the Timoshenko model

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