2014
DOI: 10.1177/1475921714554142
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Damage detection via electrical impedance tomography in glass fiber/epoxy laminates with carbon black filler

Abstract: The conductivity of glass fiber reinforced polymers with nanocomposite matrices can be leveraged for structural health monitoring. Since nanocomposite matrices depend on well-connected networks of conductive nanofillers for electrical conductivity, matrix damage will sever the connection between fillers and result in a local conductivity loss. Monitoring composite conductivity changes can therefore give insight into the state of the matrix. Existing conductivity-based structural health monitoring methods are e… Show more

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Cited by 88 publications
(83 citation statements)
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“…In case of GFRP, Bryan Loyola [10] in his lab coated GFRP with CNT thin films and Tyler Tallman [6,7] also laminated the GFRP with Carbon Black (CB) filler as a nanocomposite martial in order to produce conductivity images to detect the damage. In the case of CFRP, Schueler, Loyola and Fan [10,12,13] presented EIT systems to detect and assess the structural damage.…”
Section: Introductionmentioning
confidence: 99%
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“…In case of GFRP, Bryan Loyola [10] in his lab coated GFRP with CNT thin films and Tyler Tallman [6,7] also laminated the GFRP with Carbon Black (CB) filler as a nanocomposite martial in order to produce conductivity images to detect the damage. In the case of CFRP, Schueler, Loyola and Fan [10,12,13] presented EIT systems to detect and assess the structural damage.…”
Section: Introductionmentioning
confidence: 99%
“…There are numerous groups' that recently made use of conductivity images based on changes in electrical conductivity of semiconductor materials to assess damage [6][7][8][9][10][11]. In case of GFRP, Bryan Loyola [10] in his lab coated GFRP with CNT thin films and Tyler Tallman [6,7] also laminated the GFRP with Carbon Black (CB) filler as a nanocomposite martial in order to produce conductivity images to detect the damage.…”
Section: Introductionmentioning
confidence: 99%
“…The elements of the matrix of averaged normalized values of the specific conductivity MCS i,j satisfy the condition (14).…”
mentioning
confidence: 99%
“…The elements of the digital filtering results matrix MCF i,j must also satisfy condition (14). Therefore, if condition (14) in the filtering process is violated, the values of MCF i,j are restricted as follows:…”
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confidence: 99%
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