Epoxy Composite Fibers Reinforced with Aligned Single-Walled Carbon Nanotubes Functionalized with Generation 0−2 Dendritic Poly(amidoamine)

Che, Jianfei; Yuan, Wei; Jiang, Guohua; Dai, Jie; Lim, Su Yin; Chan‐Park, Mary B.

doi:10.1021/cm8023549

Cited by 71 publications

(75 citation statements)

References 38 publications

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“…It is thus desirable to attach functional groups to the CNTs so that a good interfacial bonding with the matrix can be developed. Moreover, the surface functionalization of the CNTs could also improve the uniformity of their dispersion [32][33][34].…”

Section: Materials Characteristics Of Laminate Hosts and Cntsmentioning

confidence: 99%

“…CNTs are first dispersed in a liquid resin via a simple mixing or three-roll milling. The surface functionalization of the CNTs was reported to improve their dispersion uniformity [32][33][34]. Then the doped resin is drawn through fabric preforms stacked in a mold to allow its infiltration just as in usual operation of VARTM [3,4,6,13,16,17,24].…”

Section: Doping Techniquementioning

confidence: 99%

“…The CNT-matrix interfacial bonding in nanocomposites has so far appeared in the following forms: (non-bonded) van der Waals interaction; covalent functionalization [32][33][34]46,47]; non-covalent functionalization via molecular wrapping [12,48,49] or hydrogen bonding [50]; and the hybrid of the previous two [24,51]. Moreover, the sidewall surface of the CNTs possesses much greater area than the end area and thus is the primary bonding area with the surrounding matrix.…”

Section: Cnt Functionalization Aspect Ratio and Cnt-matrix Interfacimentioning

confidence: 99%

“…The chemical bonding has been considered to be able not only to provide much stronger CNT-polymer interface but also to improve the uniformity of dispersion, which in turn improves the load transfer mechanism [32][33][34]46,[48][49][50][51]. The results of experimental [32][33][34]47,48,50,58,59], theoretical [56,[60][61][62][63] and numerical molecular mechanics simulation [46,47,41,57,[64][65][66][67][68][69][70] studies indicated that the chemically functionalized CNTs could improve the shear load transfer by a significant amount.…”

Section: Cnt Functionalization Aspect Ratio and Cnt-matrix Interfacimentioning

confidence: 99%

“…The results of experimental [32][33][34]47,48,50,58,59], theoretical [56,[60][61][62][63] and numerical molecular mechanics simulation [46,47,41,57,[64][65][66][67][68][69][70] studies indicated that the chemically functionalized CNTs could improve the shear load transfer by a significant amount. The experimental work showed that the chemically functionalized SWNT [32,58] or MWNTs [59] bundles were broken under mechanical load rather than being slid or pulled out.…”

Section: Cnt Functionalization Aspect Ratio and Cnt-matrix Interfacimentioning

confidence: 99%

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Mechanical behavior of advanced nano-laminates embedded with carbon nanotubes – a review

Zhou

Xie

Bao

2010

International Journal of Smart and Nano Materials

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Embedding carbon nanotubes (CNTs) in load-bearing composite laminate hosts to turn them into nano-laminates is a rapidly emerging field and has tremendous potential in enhancing the mechanical performance of the host laminates. This state-of-the-art review intends to provide a physical insight into the understanding of the enhancing mechanisms of the processed and controlled CNTs in the nano-laminates. It focuses on four aspects: (1) physical characteristics of CNTs, including CNT length, diameter, weight percentage and surface functionalization; (2) processing and control techniques of CNTs in the fabrication of nano-laminates, including distribution, dispersion and orientation controls of CNTs; (3) mechanical properties along with their testing methods, including tension, in-plane compression, in-plane and interlaminar shear (ILS), flexure, mode I and mode II fracture toughness as well as compression-after-impact (CAI), ballistic protection and fatigue; and (4) CNT-matrix load transfer and enhancing mechanisms along with a few major governing factors. The selective and uniform production of CNTs with specific dimensions and physical properties has yet to be achieved on a consistent basis. Moreover, the processing details of CNTs vary very significantly among different researchers so that the processed CNTs share little common characteristics. There is little control over the CNT orientations in most fabrication processes of the nano-laminates except for some cases associated with chemical vapor deposition (CVD). There are only two reports on in-plane compression and there is only one on in-plane shear. For reinforcement-dominated mechanical properties such as longitudinal tension and flexure, there was little enhancement reported. However, the substantial enhancement in in-plane compression strength was also reported. For matrix-dominated mechanical properties, such as transverse tension, in-plane shear, ILS strength and mode I and mode II fracture toughness, a significant enhancement, albeit with substantially varying degrees, was reported for ILS strength and mode I and mode II fracture toughness values. Meanwhile, the lack of consistent characterization of those properties was also noticeable. There is little established understanding of the enhancing mechanisms in nanolaminates.

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Section: Materials Characteristics Of Laminate Hosts and Cntsmentioning

confidence: 99%