Theoretical modeling and experimental validation of electro-shear behavior of carbon nanotubes embedded epoxy nanocomposite

Yang, Sen; Chalivendra, Vijaya

doi:10.1016/j.ijmecsci.2020.105594

Cited by 6 publications

(3 citation statements)

References 37 publications

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“…The high surface area of nano-fillers can potentially improve the interfacial bonding with the polymer chains, resulting in enhanced thermal stability and energy absorption capability of the nanocomposite [ 7 , 8 , 9 ]. Recently, nanoparticles such as carbon black, carbon nanotubes (CNTs), and graphene have found potential use as fillers in polymer matrix composites (PMCs) [ 10 , 11 ]. Therefore, experimental characterization and modeling of mechanical and other multifunctional properties is of great interest to many industries [ 12 ].…”

Section: Introductionmentioning

confidence: 99%

Experimental Characterization and Modeling Multifunctional Properties of Epoxy/Graphene Oxide Nanocomposites

2021

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Thermomechanical modeling of epoxy/graphene oxide under quasi-static and dynamic loading requires thermo-mechanical properties such as Young’s modulus, Poisson’s ratio, thermal conductivity, and frequency-temperature dependent viscoelastic properties. In this study, the effects of different graphene oxide (GO) concentrations (0.05, 0.1, and 0.2 wt%) within an epoxy matrix on several mechanical and thermal properties were investigated. The distribution of GO fillers in the epoxy was investigated using transmission electron microscopy (TEM). The digital image correlation (DIC) technique was employed during the tensile testing to determine Young’s modulus and Poisson’s ratio. Analytical models were used to predict Young’s modulus and thermal conductivity, with an error of less than 13% and 9%, respectively. Frequency–temperature dependent phenomenological models were proposed to predict the storage moduli and loss tangent, with a reasonable agreement with experimental data. A relatively high storage modulus, heat-resistance index (THRI), and thermal conductivity were observed in 0.2 wt% nanocomposite samples compared with pure epoxy and other lower concentration GO nanocomposites. A high THRI and derivative of thermogravimetric analysis peak temperatures (Tm1 and Tm2) were exhibited by adding nano-fillers in the epoxy, which confirms higher thermal stability of nanocomposites than that of pristine epoxy.

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Section: Introductionmentioning

confidence: 99%

Experimental Characterization and Modeling Multifunctional Properties of Epoxy/Graphene Oxide Nanocomposites

2021

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“…(17. 𝑎) 𝑁 𝑥𝑥 (1) = 𝑁 𝑥𝑥 (2) 𝑐𝑜𝑠(𝛽) − 𝑁 𝑥𝑧 (2) 𝑠𝑖𝑛(𝛽) 𝑁 𝑥𝑧 (1) = 𝑁 𝑥𝑥 (2) 𝑠𝑖𝑛(𝛽) + 𝑁 𝑥𝑧 (2) 𝑐𝑜𝑠(𝛽) 𝑀 𝑥𝑥 (1) = 𝑀 𝑥𝑥 (2) , 𝑁 𝑥𝜃 (1) = 𝑁 𝑥𝜃 (2) , 𝑀 𝑥𝜃 (1) = 𝑀 𝑥𝜃…”

Section: Folded Platesunclassified

“…Excellent attributes of CNTs have increased attentions toward their use in a wide range of applications where vibration control is critical to performance success [1][2][3]. However, there exist limited experimental vibration studies on the favor of CNT fillers.…”

Section: Introductionmentioning

confidence: 99%

CNT-woven glass fiber laminated composite for folded plate application: 2D-GDQ and Experimental study

Heidari-Soureshjani,

Asadi,

Talebitooti

2024

Preprint

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This paper presents the advantages of carbon nanotubes (CNTs) in fortifying the glass fiber reinforced polymeric (GFRP) composites. Bolted steel straps are utilized at the edges of composite plate to create clamped conditions in the test setup. To reduce the uncertainties induced by bolt attachments, a genetic algorithm based model updating has been carried out by adopting artificial linear springs at the margins to create more balance between theory and reality. After checking the validity of plate’s results, mechanical properties of randomly dispersed CNTs are incorporated in the formulations of folded plates. Remarkably, the motion equations are brought forward by the first order shear deformation theory (FSDT). Thereafter, two-directional generalized differential quadrature (2D-GDQ) technique has been used to extract natural frequencies from available motion, continuity and boundary equations. Results of the folded plate are validated first by an experimental modal testing and then some effective parameters such as folding angle, CNT weight ratio, boundary condition and flange-shape length are inspected.

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Carbon Nanotube and Nanofiber Reinforced Polymer Composites

Orasugh

Pal

Samanta

et al. 2022

Encyclopedia of Materials: Plastics and Polymers

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Theoretical modeling and experimental validation of electro-shear behavior of carbon nanotubes embedded epoxy nanocomposite

Cited by 6 publications

References 37 publications

Experimental Characterization and Modeling Multifunctional Properties of Epoxy/Graphene Oxide Nanocomposites

Experimental Characterization and Modeling Multifunctional Properties of Epoxy/Graphene Oxide Nanocomposites

CNT-woven glass fiber laminated composite for folded plate application: 2D-GDQ and Experimental study

Carbon Nanotube and Nanofiber Reinforced Polymer Composites

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