2019
DOI: 10.1177/0731684419832796
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Electro-mechanical studies of multi-functional glass fiber/epoxy reinforced composites

Abstract: An experimental study is performed to investigate the electro-mechanical response of three-dimensionally conductive multi-functional glass fiber/epoxy laminated composites under quasi-static tensile loading. To generate a threedimensional conductive network within the composites, multi-wall carbon nanotubes are embedded within the epoxy matrix and carbon fibers are reinforced between the glass fiber laminates using an electro-flocking technique. A combination of shear mixing and ultrasonication is employed to … Show more

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Cited by 17 publications
(14 citation statements)
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“…This continued until the end of zone-1, when microcracks began forming due to the carbon fibers creating stress concentrations and debonding from the resin. 31 This is when zone-2 begins, which resulted in a mostly linear increase in resistance. The microcracks contributed to the removal of electrical connections among carbon fibers and CNTs by cracking the matrix between them.…”
Section: Resultsmentioning
confidence: 99%
“…This continued until the end of zone-1, when microcracks began forming due to the carbon fibers creating stress concentrations and debonding from the resin. 31 This is when zone-2 begins, which resulted in a mostly linear increase in resistance. The microcracks contributed to the removal of electrical connections among carbon fibers and CNTs by cracking the matrix between them.…”
Section: Resultsmentioning
confidence: 99%
“…Condition-III has the same damage mechanisms as condition-II; however due to only occurring in highly conductive samples, the resistance change is not as drastic. 14…”
Section: Resultsmentioning
confidence: 99%
“…Once both plates are in place, a 30-80 kV voltage difference is induced between the plates. 1115 This causes the short carbon fibers to fly up towards the glass fabric, and the applied epoxy allows the short carbon fibers to stick into the fabric approximately normal to the laminate. Typical carbon fiber flocked glass fabric is shown in Figure 1(b).…”
Section: Methodsmentioning
confidence: 99%
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“…The through thickness reinforcement of micro carbon fibers generates a three-dimensional electrically conductive network inside the composites. These micro CF can penetrate through the laminates and help to make contact with CNTs in the matrix and micro CF of the neighboring plies [17]. Hence, in this study, novel laminated composites were made by reinforcing micro carbon fibers of three different lengths and two different fiber densities along the thickness direction while embedding CNTs and two different weight percentages of Fe 3 O 4 nanoparticles.…”
Section: Introductionmentioning
confidence: 99%