Orthotropic electro-thermal behaviour of highly-aligned carbon nanotube web based composites

Yao, Xudan; Falzon, Brian; Hawkins, Stephen C.

doi:10.1016/j.compscitech.2018.11.042

Cited by 17 publications

(16 citation statements)

References 32 publications

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“…Fibre reinforced polymer (FRP) composites possess excellent in-plane specific strength and stiffness, corrosion and fatigue resistance [1][2]. FRPs are now replacing metallic components in aerospace, automotive and marine industries; a weight reduction of 10 percent, in an automotive vehicle can lead to an increase in fuel economy of between 6 to 8 percent, and even higher efficiencies in aircraft [3][4]. These potential benefits are likely to see FRP composites being increasingly utilised in future transportation structures, as the sector seeks to minimise environmental impact and reduce the use of fossil fuels through electrification.…”

Section: Introductionmentioning

confidence: 99%

High performance multiscale glass fibre epoxy composites integrated with cellulose nanocrystals for advanced structural applications

Kumar

Falzon

Kun

et al. 2020

Composites Part A: Applied Science and Manufacturing

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This is a PDF file of an article that has undergone enhancements after acceptance, such as the addition of a cover page and metadata, and formatting for readability, but it is not yet the definitive version of record. This version will undergo additional copyediting, typesetting and review before it is published in its final form, but we are providing this version to give early visibility of the article. Please note that, during the production process, errors may be discovered which could affect the content, and all legal disclaimers that apply to the journal pertain.

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Section: Introductionmentioning

confidence: 99%

High performance multiscale glass fibre epoxy composites integrated with cellulose nanocrystals for advanced structural applications

Kumar

Falzon

Kun

et al. 2020

Composites Part A: Applied Science and Manufacturing

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“…Carbon nanotube (CNT) webs have recently been proposed as a promising route to achieving multifunctional carbon fibre reinforced polymer (CFRP) laminates [1][2][3]. The highly conductive CNT webs are drawn directly from specially grown CNT forests produced by chemical vapour deposition (CVD) [4].…”

Section: Introductionmentioning

confidence: 99%

Mode I interlaminar fracture toughness of thin-ply laminates with CNT webs at the crack interface

Leonardo

Nistal

Catalanotti

et al. 2019

Composite Structures

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Pristine and functionalized carbon nanotube (CNT) webs were introduced at the interlaminar region of two different thin-ply carbon fibre reinforced polymer systems (NTPT 402 prepreg, and TeXtreme/SE84LV). The Mode I interlaminar fracture toughness (ILFT) for the NTPT 402 material was substantially lower. In contrast when SE84LV resin was used, the resistance curves were virtually unchanged and with no depreciation in the steady state value of the ILFT. This demonstrates that a careful choice of the resin is essential to permit the embedding of CNT webs in thin-ply laminates without compromising structural performance and opens a new way towards the development of multifunctional thin-ply structures.

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“…Owing to its superior specific strength and stiffness, carbon fibre reinforced polymer (CFRP) composites are increasingly being used in diverse sectors, such as marine, automotive, sports and, in particular, aerospace, where they comprise around half the weight of the primary structure of the latest generation wide-body passenger aircraft such as the Boeing 787 and A350 XWB (1) . This revolution in materials and fabrication, together with ever increasing pressure to reduce fuel consumption has provided the impetus for the development of multifunctional structures incorporating such functionality as structural health monitoring (SHM) (2)(3)(4)(5) , lightning strike protection (LSP) (6)(7)(8)(9)(10) and improved ice protection systems (11)(12)(13)(14)(15)(16)(17)(18) whilst also delivering enhanced structural performance such as higher interlaminar fracture toughness (ILFT) (19)(20)(21)(22)(23) . Directly drawable carbon nanotube web (CNT web) is a uniquely adaptable and useful material composed of highly aligned, small multiwalled CNTs.…”

Section: Introductionmentioning

confidence: 99%

“…We have reported previously on the use of CNT web to address SHM (4) and ILFT (19,20) . We also described the creation of a CNT web-based electrothermal element as part of an AI/DI system for aerospace applications (11)(12)(13) . Such an AI/DI element would be located on critical aircraft wing and nacelle lip leading edges, which are also the areas most susceptible to impact.…”

Section: Introductionmentioning

confidence: 99%

A repairable carbon nanotube web-based electro-thermal heater and damage sensor for aerospace applications

2021

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We previously described an efficient, lightweight and flexible electro-thermal system, based on directly drawn carbon nanotube web (CNT web), as part of an icing protection system for carbon fibre reinforced polymer (CFRP) composite aircraft structures. The location of the heating elements on critical lifting surface leading edges or nacelle intake lips makes them particularly susceptible to impact damage, which may leave no visible mark. This makes it desirable to have both a mechanism for identifying the location of damage to the CNT structure (and by inference, potential damage to the underlying CFRP) and a process for restoring the CNT heater to full operation. With the CNT web acting as a sensor, impact damage is identified by an increase in electrical resistance and, particularly, by infrared imaging, which reveals a cold spot or zone depending upon the CNT web layup. Whereas a unidirectional CNT web layup exhibits a large increase in resistance and loss of a full width band of operation, a cross ply quasi-isotropic CNT web arrangement suffers only a small increase in resistance and a loss of function that is highly localised to the damaged area. A novel methodology, based on dispersed CNT in resin, is described for repairing and reconnecting the CNT structure and restoring functionality. A CNT web-based electro-thermal element was applied to the leading edge of a representative carbon-fibre composite wing section to demonstrate the flexibility of this system.

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Orthotropic electro-thermal behaviour of highly-aligned carbon nanotube web based composites

Cited by 17 publications

References 32 publications

High performance multiscale glass fibre epoxy composites integrated with cellulose nanocrystals for advanced structural applications

High performance multiscale glass fibre epoxy composites integrated with cellulose nanocrystals for advanced structural applications

Mode I interlaminar fracture toughness of thin-ply laminates with CNT webs at the crack interface

A repairable carbon nanotube web-based electro-thermal heater and damage sensor for aerospace applications

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