Tensile Behavior of a Twisted Carbon Nanotube Yarn

Allaoui, Aïssa; Bai, Shoujun; Bai, Jinbo

doi:10.1142/s0219581x10006491

Cited by 75 publications

(89 citation statements)

References 8 publications

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“…5a). Figure 5b reflects the bundle-forming tendency of f-MWCNTs; a similar morphology is reported earlier by Allaoui et al 18 The compositional mapping with AFM is often used for the identification of multiple phases through color contrast. The brighter areas in the image can be attributed to the greater force experienced by the cantilever tip when in contact with the filler (tubular or spherical), whereas dark patches appear when the tip is in contact with the amorphous matrix state.…”

Section: Structural Analysissupporting

confidence: 78%

“…The strong interaction between the multiwalled carbon nanotube (MWCNT) and biphenyl liquid crystalline epoxy composites exhibits excellent thermal and mechanical properties. 17 Allaoui et al 18 investigated the effect of MWCNT on a rubbery epoxy matrix and found that the addition of 4 wt% MWCNT led to a significant increase in the strength and Young's modulus. Montazeri et al 19 reported that epoxy with 0.5 wt% MWCNT showed better tensile strength and Young's modulus as compared to epoxy.…”

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confidence: 99%

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Designing of Epoxy Matrix by Chemically Modified Multiwalled Carbon Nanotubes

et al. 2016

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A chemical treatment was applied to functionalize multiwalled carbon nanotubes (MWCNTs) to introduce -COOHand -OH groups on the surface for better interfacial interaction with an epoxy matrix. The functionalized MWCNT (f-MWCNT) reinforced epoxy nanocomposites were prepared with varying compositions up to 1 wt% MWCNTs. The interaction between MWCNTs and epoxy matrix was evidenced by Fourier transform infrared spectroscopy. The structure and microstructure of f-MWCNTs reinforced epoxy composite were studied by X-ray diffraction, field emission scanning electron microscope, high-resolution transmission electron microscope, and Raman spectroscope. The orientation of f-MWCNT was investigated by an atomic force microscope. The incorporation of f-MWCNTs enhanced the thermal stability and the conductivity of the epoxy matrix significantly. The results of tensile strength, tensile strain, extension, and load at break clearly revealed a substantial improvement in tensile properties of the epoxy matrix due to homogeneous dispersion of f-MWCNTs in the epoxy matrix and strong interfacial adhesion between them as well. The improvement in thermal and mechanical properties in combination with an increase in electrical properties may make the material suitable for making electronic devices. C 2016 Wiley Periodicals, Inc. Adv Polym Technol 2016, 0, 21654; View this article online at wileyonlinelibrary.com.

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Section: Structural Analysissupporting

confidence: 78%

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confidence: 99%

Designing of Epoxy Matrix by Chemically Modified Multiwalled Carbon Nanotubes

et al. 2016

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“…A review of existing literature on the mechanical properties of CNT reinforced polymer composites demonstrates that many studies have been done recently e.g., [1][2][3][4][5][6][7][8][9][10][11] . Significant improvements in mechanical properties of polymeric matrixes have been reported by adding a few weight-percents (wt%) of CNTs.…”

Section: Introductionmentioning

confidence: 99%

Three-dimensional free vibration analysis of carbon nanotube reinforced composites annular plates

Zali¹,

Yazdian²,

Omidi³

2015

Orient. J. Chem

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The main objective of this research work was to investigate three-dimensional free vibration of thick annular plates which are composed of carbon nanotube (CNT) reinforced composites materials using the Chebyshev-Ritz method. In order to obtain precise results, a new form of the rule of mixtures including an exponential shape function, length efficiency parameter, orientation efficiency factor, and waviness parameter was applied for predicting the mechanical properties of CNT reinforced composites. Convergence of the Chebyshev-Ritz method was also checked. Numerical results are given and compared with the available literature and finite element method (FEM) analysis. Results obtained from the other well-known theories (such as: Micro-Mechanical, Halpin, etc.) are compared with the new form of the rule of mixtures results. Furthermore, the effects of CNT type, structures, diameter, shape factor, density, and volume fraction on the vibration behavior of the annular plates are graphically presented.

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“…[2][3][4][5]7,11,[13][14][15][16][17][18]12,20,21,25,[35][36][37][38][39][40][41][42][43][44][45][46] However, the cost comparison with cheaper reinforcement particulates does not proportionately favor the use of nanotubes.…”

Section: Introductionmentioning

confidence: 99%

Electrical and mechanical properties of carbon nanotube‐epoxy nanocomposites

Thakre

Bisrat

Lagoudas

2009

J of Applied Polymer Sci

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In this work, electrical conductivity and thermo-mechanical properties have been measured for carbon nanotube reinforced epoxy matrix composites. These nanocomposites consisted of two types of nanofillers, single walled carbon nanotubes (SW-CNT) and electrical grade carbon nanotubes (XD-CNT). The influence of the type of nanotubes and their corresponding loading weight fraction on the microstructure and the resulting electrical and mechanical properties of the nanocomposites have been investigated. The electrical conductivity of the nanocomposites showed a significantly high, about seven orders of magnitude, improvement at very low loading weight fractions of nanotubes in both types of nanocomposites. The percolation threshold in nanocomposites with SW-CNT fillers was found to be around 0.015 wt % and that with XD-CNT fillers around 0.0225 wt %. Transmission optical microscopy of the nanocomposites revealed some differences in the microstructure of the two types of nanocomposites which can be related to the variation in the percolation thresholds of these nanocomposites. The mechanical properties (storage modulus and loss modulus) and the glass transition temperature have not been compromised with the addition of fillers compared with significant enhancement of electrical properties. The main significance of these results is that XD-CNTs can be used as a cost effective nanofiller for electrical applications of epoxy based nanocomposites at a fraction of SW-CNT cost.

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Tensile Behavior of a Twisted Carbon Nanotube Yarn

Cited by 75 publications

References 8 publications

Designing of Epoxy Matrix by Chemically Modified Multiwalled Carbon Nanotubes

Designing of Epoxy Matrix by Chemically Modified Multiwalled Carbon Nanotubes

Three-dimensional free vibration analysis of carbon nanotube reinforced composites annular plates

Electrical and mechanical properties of carbon nanotube‐epoxy nanocomposites

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