Interactions between the glass fiber coating and oxidized carbon nanotubes

Ku‐Herrera, J. J.; Avilés, F.; Nistal, Andrés; Cauich-Rodríguez, J.V.; Rubio, F.; Rubio, J.; Bartolo‐Pérez, P.

doi:10.1016/j.apsusc.2015.01.025

Cited by 41 publications

(29 citation statements)

References 55 publications

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“…As shown in Table 3, the as-received fiber and the fiber treated with chlorosulfonic acid (TFCL) present higher amounts of MWCNTs deposited on their surface (ratios of 20.3 and 18.7, respectively). In the case of TF, the functional groups present in the oxidized MWCNTs (OH, C-O and COOH) interact with the oxygen-containing functional groups present in the FSC of the as-received fiber, as reported for glass and carbon fibers [19,38]. Twaron fibers have a standard surface coating which comprises a non-ionic emulsifier containing large molecules with ramifications of ethylene and propylene oxide functional groups, as well as hydroxyl and carboxyl groups [39,40].…”

Section: Mechanical Propertiesmentioning

confidence: 92%

“…The current interest in multiscale hierarchical composites focuses on their multifunctionality, and in the case of multiwall carbon nanotubes (MWCNTs) their high electrical conductivity is frequently exploited. MWCNTs have been deposited onto glass and carbon fibers by electrophoretic methods [15,16] and by simpler methods such as dipping or immersion in nanotube dispersions [17][18][19]. It has been shown that the deposition of MWCNTs onto engeneering fibers can increase the fiber/matrix interfacial shear strength [20] and delay the onset of microcrack propagation [21].…”

Section: Introductionmentioning

confidence: 99%

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Deposition of carbon nanotubes onto aramid fibers using as-received and chemically modified fibers

Rodríguez-Uicab

Avilés

González-Chi

et al. 2016

Applied Surface Science

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Multiwall carbon nanotubes (MWCNTs) oxidized by an acid treatment were deposited on the surface of as-received commercial aramid fibers containing a surface coating ("sizing"), and fibers modified by either a chlorosulfonic treatment or a mixture of nitric and sulfuric acids. The surface of the aramid fiber activated by the chemical treatments presents increasing density of CO, COOH and OH functional groups. However, these chemical treatments reduced the tensile mechanical properties of the fibers, especially when the nitric and sulfuric acid mixture was used. Characterization of the MWCNTs deposited on the fiber surface was conducted by scanning electron microscopy, Raman spectroscopy mapping and X-ray photoelectron spectroscopy. These characterizations showed higher areal concentration and more homogeneous distribution of MWCNTs over the aramid fibers for as-received fibers and for those modified with chlorosulfonic acid, suggesting the existence of interaction between the oxidized MWCNTs and the fiber coating. The electrical resistance of the MWCNT-modified aramid yarns comprising 1000 individual fibers was in the order of M Omega/cm, which renders multifunctional properties.CONACYT-CIAM (Mexico) 188089 CONICYT (Chile) 120003 "Fondo Mixto CONACYT-Gobierno del Estado de Yucatan" 24704

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Section: Mechanical Propertiesmentioning

confidence: 92%

Section: Introductionmentioning

confidence: 99%

Deposition of carbon nanotubes onto aramid fibers using as-received and chemically modified fibers

Rodríguez-Uicab

Avilés

González-Chi

et al. 2016

Applied Surface Science

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“…1b, architecture "f") MWCNTs were previously bonded to the fiber. The deposition of MWCNTs onto the glass fibers was conducted following the dipping procedure reported in our previous works (Ku-Herrera et al, 2015;Ku-Herrera et al, 2014).…”

Section: Manufacturing Of Hierarchical Compositesmentioning

confidence: 99%

“…For the composite with architecture f, according to previous research the upper bound content of MWCNT deposited on the glass fibers is 0.5 wt. % (with respect to the glass fiber weight)(Ku-Herrera et al, 2015). Using this assumption, the upper bound of the MWCNT content in the hierarchical composite with architecture f is estimated as 0.36 wt.…”

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confidence: 99%

Selective damage sensing in multiscale hierarchical composites by tailoring the location of carbon nanotubes

Ku‐Herrera

Saponara

Avilés³

2017

Journal of Intelligent Material Systems and Structures

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The selectivity in composite damage sensing using the electrical resistance approach is investigated by deliberately placing multiwall carbon nanotubes (MWCNTs) dispersed within the matrix or deposited onto the fiber surface. To this aim, unidirectional glass fiber/carbon nanotube/vinyl ester specimens with fibers oriented along (0°) and transverse (90°) to the loading direction are subjected to quasi-static tension up to failure. The electrical resistance changes in the composite are correlated to the mechanical strain and acoustic emission events. By using this approach, it is shown that the electrical signal is able to discern between fiber and matrix (or fiber/matrix interface) damage. The electrical resistance of composites with MWCNTs located within the matrix is capable of tracking matrix dominated damage but is poorly sensitive to fiber breakage. In contrast, the composites with MWCNT-modified fibers exhibit outstanding sensitivity to fiber-and fiber/matrix interface damage.

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“…Therefore, how to improve the surface state of the fiber and effectively improvement in the interfacial bonding performance of the composite is critical to the high‐performance fiber surface. The treatment mainly includes copolymerization modification, acid oxidation modification, coupling agent modification, irradiation modification, corona modification, and plasma modification. Among them, cold plasma modification treatment technology is characterized by low damage to the fiber body and no environmental pollution.…”

Section: Introductionmentioning

confidence: 99%

Effects of plasma treatment of carbon fibers on interfacial properties of BMI resin composites

Zhuoda

2018

Surface & Interface Analysis

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High performance continuous fiber surface modification by inductively coupled RF plasma (ICP) and dielectric barrier discharge (DBD) low temperature plasma were conducted. X-ray photoelectron spectroscopy (XPS) and other analytical testing methods systematically studied plasma treatment time, discharge power, discharge pressure, etc, on fiber surface state, surface composition, and surface shape changes in the appearance and wetting properties. The results show that after plasma treatment the surface of the fiber is grafted with a large number of polar functional groups such as carboxyl groups and hydroxyl groups. The surface roughness increases, the surface free energy increases, and the fiber wetting property is significantly improved, resulting in improvement in interlaminar shear strength (ILSS) between the fiber and the resin matrix. Finally, the surfaces of the fibers and its relationship with interfacial properties of fiber reinforced bismaleimide composites are also discussed. KEYWORDS carbon fiber, impact toughness, interface/interphase, polymer matrix composites (PMCs)

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Interactions between the glass fiber coating and oxidized carbon nanotubes

Cited by 41 publications

References 55 publications

Deposition of carbon nanotubes onto aramid fibers using as-received and chemically modified fibers

Deposition of carbon nanotubes onto aramid fibers using as-received and chemically modified fibers

Selective damage sensing in multiscale hierarchical composites by tailoring the location of carbon nanotubes

Effects of plasma treatment of carbon fibers on interfacial properties of BMI resin composites

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