Carbon Nanotube/Nanofibre Polymer Composites

Shaffer, Milo S. P.; Sandler, Jan K.W.

doi:10.1142/9789812772473_0001

Cited by 58 publications

(46 citation statements)

References 212 publications

(326 reference statements)

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“…Combinations of gas and liquid phase treatments are often used in order to optimise the purification and modification process 27 .…”

Section: Colloidal Processingmentioning

confidence: 99%

“…The potential of developing advanced nanocomposites that manifest, to some degree, the extraordinary properties of individual CNTs is very attractive in fields as diverse as aerospace, sports equipment, or biomedical devices 27,28 . The vast majority of CNT composite work has focused on polymer matrices 29 , whilst comparatively few investigations have explored inorganic (ceramic or glass) matrices and the potential toughening mechanisms that might be associated with CNT reinforcements.…”

Section: Introductionmentioning

confidence: 99%

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Ceramic matrix composites containing carbon nanotubes

2009

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Due to the remarkable physical and mechanical properties of individual, perfect carbon nanotubes (CNTs), they are considered to be one of the most promising new reinforcements for structural composites. Their impressive electrical and thermal properties also suggest opportunities for multifunctional applications. In the context of inorganic matrix composites, researchers have particularly focussed on CNTs as toughening elements to overcome the intrinsic brittleness of the ceramic or glass material. Although there are now a number of studies published in the literature, these inorganic systems have received much less attention than CNT/polymer matrix composites. This paper reviews the current status of the research and development of CNT-loaded ceramic matrix composite materials. It includes a summary of the key issues related to the optimisation of CNT-based composites, with particular reference to brittle matrices and provides an overview of the processing techniques developed to 2 optimise dispersion quality, interfaces and density. The properties of the various composite systems are discussed, with an emphasis on toughness; a comprehensive comparative summary is provided, together with a discussion of the possible toughening mechanism that may operate. Lastly, a range of potential applications are discussed, concluding with a discussion of the scope for future developments in the field.3

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“…Combinations of gas and liquid phase treatments are often used in order to optimise the purification and modification process 27 .…”

Section: Colloidal Processingmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Ceramic matrix composites containing carbon nanotubes

2009

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“…CNTs are dispersed within the polymer matrix by rheological shear stress generated from the blending of CNTs with melt polymer. Its well-known disadvantage is that CNTs can easily be damaged to a certain extent or broken in some cases [40,41]. All the CNT/polymer composites using thermoplastic polymers as matrix can be processed in this manner.…”

Section: Preparation Of Cnt/polymer Compositesmentioning

confidence: 99%

The present status and key problems of carbon nanotube based polymer composites

Du¹,

Bai²,

Cheng³

2007

Express Polym. Lett.

415

250

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Abstract. The state-of-art and key problems of carbon nanotube (CNT) based polymer composites (CNT/polymer composites) including CNT/polymer structural composites and CNT/polymer functional composites are reviewed. Based on the results reported up to now, CNTs can be an effective reinforcement for polymer matrices, and the tensile strength and elastic modulus of CNT/polymer composites can reach as high as 3600 MPa and 80 GPa, respectively. CNT/polymer composites are also promising functional composite materials with improved electrical and thermal conductivity, etc. Due to their multi-functional properties, CNT/polymer composites are expected to be used as low weight structural materials, optical devices, thermal interface materials, electric components, electromagnetic absorption materials, etc. However, the full potential of CNT/polymer composites still remains to be realized. A few key problems, such as how to prepare structurecontrollable CNTs with high purity and consistently dependable high performance, how to break up entangled or bundled CNTs and then uniformly disperse and align them within a polymer matrix, how to improve the load transfer from matrix to CNT reinforcement, etc, still exist and need to be solved in order to realize the wide applications of these advanced composites.

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“…Such materials, based on aligned fibre tows or weaves, possess outstanding in-plane properties but relatively weak out-ofplane (or through thickness) properties, which control compression and delamination performance [2]. CNTs, in themselves, are promising components for composite materials due to their nanoscale dimensions, low density, intrinsically superior mechanical properties, and remarkable electrical and thermal properties [3,4]. However, their introduction into conventional continuous fibre composite structures, may provide a means to mitigate matrix-dominated failures.…”

Section: Introductionmentioning

confidence: 99%

“…As well as enhancing matrix properties, locating the CNTs at the fibre surface may be a particularly effective method to improve fibrematrix interface, as discussed in detail within this paper. Lastly, as for pure nanocomposites [3,4,7], the introduction of CNTs may improve other important properties including, for example, wear resistance, flame retardance, or self-sensing abilities; by exploiting the excellent thermal and electrical performance of CNTs, a new generation of multi-functional structural composite materials may be produced [1,8].…”

Section: Introductionmentioning

confidence: 99%

Carbon nanotube grafted silica fibres: Characterising the interface at the single fibre level

Qian

Bismarck

Greenhalgh

et al. 2010

Composites Science and Technology

101

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Model polymer composites containing carbon nanotube (CNT) grafted fibres provide a means to investigate the influence of nanostructures on interfacial properties. Wellaligned nanotubes, with controllable length, were grown on silica fibres by using the injection chemical vapour deposition method, leading to a significant increase of the fibre surface area. In single fibre tensile tests, this CNT growth reaction reduced the fibre strength, apparently due to catalyst etching; however, the fibre modulus increased significantly. Contact angle measurements, using the drop-on-fibre method, indicated an excellent wettability of the CNT-grafted fibres by poly(methyl methacrylate) (PMMA).PMMA model composites were fabricated and studied using the single fibre fragmentation tests. A dramatic improvement (up to 150%) of the apparent interfacial shear strength (IFSS) was obtained for the composites containing CNT-grafted fibres.The improvement of IFSS was also influenced by the length and morphology of the grafted CNTs.

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Carbon Nanotube/Nanofibre Polymer Composites

Cited by 58 publications

References 212 publications

Ceramic matrix composites containing carbon nanotubes

Ceramic matrix composites containing carbon nanotubes

The present status and key problems of carbon nanotube based polymer composites

Carbon nanotube grafted silica fibres: Characterising the interface at the single fibre level

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