Enhancement of stiffness and dynamic mechanical properties of polymers using single-walled-carbon-nanotube – a multiscale finite element formulation study

Palacios, Jorge Alberto; Ganesan, Rajamohan

doi:10.1007/s10965-019-1774-9

Cited by 9 publications

(4 citation statements)

References 24 publications

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“…The finite element method has been rapidly enhanced with the developed electronic computers, widely used to solve the problems in mechanics, heat transfer, and materials design 25 . Recently, Xiang et al 26 applied ANSYS software to establish a three‐dimensional volume element model of the composites, and the numerical calculation results were in good agreement with the experimental results.…”

Section: Introductionmentioning

confidence: 93%

Effect of nano fillers on the properties of polytetrafluoroethylene composites: Experimental and theoretical simulations

Xiao

2021

J of Applied Polymer Sci

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Polytetrafluoroethylene (PTFE) has excellent corrosion resistance and a low coefficient of friction; however, its high wear rate and low hardness severely limit its use. In the work, nano particles were used as fillers for PTFE. The composites were prepared by the homogeneous mixing of PTFE and other fillers and sintered at high temperatures. The work aimed to investigate the effect of various nano fillers (nanocarbon powders, graphene, fullerene, nano graphite powders, and nano copper powders) on the mechanical, thermal, and frictional properties of composites. The results of the experiments showed that the addition of graphene could improve the stress and strain values of the composites, and all the nano fillers could improve the thermal conductivity of the PTFE composites. The friction experiments showed that fullerenes could significantly improve the wear resistance of PTFE composites. In the theoretical simulation, the thermal conductivity of PTFE composites was predicted using ANSYS software, with the changes in the temperature and friction force in the friction process. The theoretical simulation results matched with the experimental values, which proved the accuracy of the theoretical simulations.

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Section: Introductionmentioning

confidence: 93%

Effect of nano fillers on the properties of polytetrafluoroethylene composites: Experimental and theoretical simulations

Xiao

2021

J of Applied Polymer Sci

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“…Bacciocchi 233 analysed buckling loads in a 3-phase composite of CNT, polymer, and fibre addressing the influence of non-uniform distribution of fibres along the thickness on the critical buckling load. Power law function was used to define the nonuniform features, which were shown to have a significant D-0.8-15nm,L-10nm-30 µm FEM 0.9-250GPa 49,56,76,161,165,173,176,180,188,190,194,200,204,205,211,215,218,219,222,223,255,258,259,262 D-0.9-30nm,L-12.19nm-30µm, RVE scale-5-110 µm Multiscale 1-225GPa 120,161,165,188,190,200,205,207,212,215,218,219,222,223,257 impact on the buckling response of laminated flat panels. Tsai et al 234 analysed the effect of CNT buckling on CNT reinforced copper matrix composite by characterizing the composite using high-resolution transmission electron microscopy and further analysis based on MD simulations.…”

Section: Modelling Of Damage Failure and Instabilities And Interactio...mentioning

confidence: 99%

“…This experimental model was then simulated to show the transition of crack front from nano to micro to meso length scales. Palacios et al 262 determined the damping properties, natural frequencies, and stress-strain behaviour of SWCNT/polymer composite using a 3-D multiscale FE model by incorporating the viscoplastic behaviour of polymer matrix. CNT was modelled as a space frame structure using Morse potential and shell theories.…”

Section: Modelling Of Damage Failure and Instabilities And Interactio...mentioning

confidence: 99%

Mechanical behaviour of carbon nanotube composites: A review of various modelling techniques

Sahu,

Harursampath,

Ponnusami

2023

Journal of Composite Materials

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This study aims to review and highlight the important modelling methodologies used for studying carbon nanotubes (CNTs) and their composites. Understanding appropriate modelling methods for specific applications is crucial as CNTs become integral in achieving lighter, multifunctional composite structures. This paper explores a range of techniques, including finite element modelling (FEM), Molecular Dynamics (MD), Molecular Structural Mechanics (MSM), as well as nonlocal models, and the Cauchy-Born (CB) rule. Emphasis is placed on factors such as interphase effects between CNTs and the matrix, bonding interactions, non-bonded van der Waals (vdW) forces, and dynamic behaviour. Multiscale modelling is extensively discussed as a pivotal approach for efficiently addressing various length scales in nanocomposites. Modelling of failure, damage and its propagation, delamination, and instabilities such as buckling and fracture have been highlighted, and research gaps have been pointed out.

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“…Similar works can also be seen in refs. [122,123]. A bridging cell concurrent multiscale RVE model was proposed in ref.…”

Section: Multiscale Modelingmentioning

confidence: 99%

The recent progress of functionally graded CNT reinforced composites and structures

Liew

Pan

Zhang

2019

Sci. China Phys. Mech. Astron.

155

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In the last decade, the functionally graded carbon nanotube reinforced composites (FG-CNTRCs) have attracted considerable interest due to their excellent mechanical properties, and the structures made of FG-CNTRCs have found broad potential applications in aerospace, civil and ocean engineering, automotive industry, and smart structures. Here we review the literature regarding the mechanical analysis of bulk CNTR nanocomposites and FG-CNTRC structures, aiming to provide a clear picture of the mechanical modeling and properties of FG-CNTRCs as well as their composite structures. The review is organized as follows: (1) a brief introduction to the functionally graded materials (FGM), CNTRCs and FG-CNTRCs; (2) a literature review of the mechanical modeling methodologies and properties of bulk CNTRCs; (3) a detailed discussion on the mechanical behaviors of FG-CNTRCs; and (4) conclusions together with a suggestion of future research trends. functionally graded carbon nanotube reinforced composite, modeling methodology, mechanical properties, beam, plate, shell

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Enhancement of stiffness and dynamic mechanical properties of polymers using single-walled-carbon-nanotube – a multiscale finite element formulation study

Cited by 9 publications

References 24 publications

Effect of nano fillers on the properties of polytetrafluoroethylene composites: Experimental and theoretical simulations

Effect of nano fillers on the properties of polytetrafluoroethylene composites: Experimental and theoretical simulations

Mechanical behaviour of carbon nanotube composites: A review of various modelling techniques

The recent progress of functionally graded CNT reinforced composites and structures

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