Effect of Carbon Nanotube Waviness on the Elastic Properties of the Fuzzy Fiber Reinforced Composites

Kundalwal, S. I.; Ray, M. C.

doi:10.1115/1.4007722

Cited by 39 publications

(11 citation statements)

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“…More success can be achieved for improving the transverse multifunctional properties of the hybrid CNT-reinforced composites by growing the short CNTs on the circumferential surfaces of the advanced fibers [22][23][24][25][26][27]. A fiber coated with radially grown CNTs on its circumferential surface is being called as "fuzzy fiber" [25,27] and the resulting composite may be called as fuzzy fiber reinforced composite (FFRC) [28][29][30]. Recently, extensive studies on the prediction of effective properties of FFRC containing straight CNTs have been reported by Kundalwal and Ray [28,29] using micromechanical analysis and the finite element (FE) method.…”

Section: Introductionmentioning

confidence: 99%

“…Recently, extensive studies on the prediction of effective properties of FFRC containing straight CNTs have been reported by Kundalwal and Ray [28,29] using micromechanical analysis and the finite element (FE) method. Most recently, Kundalwal and Ray [30] reported that the wavy CNTs can be properly grown on the circumferential surfaces of the carbon fibers to improve the in-plane effective elastic properties of the continuous FFRC.…”

Section: Introductionmentioning

confidence: 99%

“…The orientation of the plane of the wavy CNTs radially grown on the circumferential surface of the carbon fiber is an important issue because the planer orientations of the wavy CNTs may influence the elastic properties of the FFRC. Kundalwal and Ray [30] considered two possible planar orientations of the wavy CNTs i.e., the wavy CNTs are coplanar with either the longitudinal plane (i.e., 1-3) or the transverse plane (i.e., 2-3) of the carbon fiber to investigate the effect of wavy CNTs on the effective elastic properties of the FFRC. They reported that when the wavy CNTs are coplanar with the longitudinal plane of the carbon fibers, the axial elastic coefficients of the FFRC are significantly improved over those of the FFRC with straight CNTs.…”

Section: Introductionmentioning

confidence: 99%

“…2b. A representative volume element (RVE) of the CNT-reinforced nanocomposite containing a wavy CNT has been considered by Kundalwal and ray [30] to predict the effective elastic properties of the FFRC and such an RVE is schematically illustrated in Fig. 3.…”

Section: Introductionmentioning

confidence: 99%

“…rigidity matrices and the rigidity vectors for electro-elastic coupling elemental matrices appearing in Eqs (30). and(31) are given by…”

mentioning

confidence: 99%

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Active damping of geometrically nonlinear vibrations of sandwich plates with fuzzy fiber reinforced composite facings

Kumar

Ray

2015

Int. J. Dynam. Control

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This paper is concerned with the analysis of active constrained layer damping (ACLD) of geometrically nonlinear vibrations of sandwich plates with facings composed of fuzzy fiber reinforced composite (FFRC). FFRC is a novel composite where the short carbon nanotubes (CNTs) which are either straight or wavy are radially grown on the periphery of the long continuous carbon fiber reinforcements. The plane of waviness of the CNTs is coplanar with the plane of carbon fiber. The constraining layer of the ACLD treatment is composed of the vertically/obliquely reinforced 1-3 piezoelectric composites (PZCs) while the constrained viscoelastic layer has been sandwiched between the substrate and the PZC layer. The Golla-Hughes-McTavish method has been implemented to model the constrained viscoelastic layer of the ACLD treatment in time domain. A three dimensional nonlinear finite element model of smart FFRC sandwich plates integrated with ACLD patches has been developed to investigate the performance of these patches for controlling the geometrically nonlinear vibrations of these plates. This study reveals that the performance of the ACLD patches for controlling the geometrically nonlinear vibrations of the sandwich plates is better in the case of the facings composed of laminated FFRC than that in the case of the facings made of conventional orthotropic laminated composite. Particular emphasis has been placed on investigating the effect of the variation of piezoelectric fiber orientation angle on the performance of the ACLD treatment. The research carried out in this paper brings to light that even the wavy CNTs can be properly utilized for attaining B M. C. Ray

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Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

“…rigidity matrices and the rigidity vectors for electro-elastic coupling elemental matrices appearing in Eqs (30). and(31) are given by…”

mentioning

confidence: 99%

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Active damping of geometrically nonlinear vibrations of sandwich plates with fuzzy fiber reinforced composite facings

Kumar

Ray

2015

Int. J. Dynam. Control

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The exponential model versus a modified Chamis model and applications to sustainable particulate composites

Anastasiou

2023

J of Applied Polymer Sci

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The Exponential model is introduced to predict the modulus of particulate or short‐fiber reinforced composites. The model allows the prediction of Young's modulus, bending modulus, shear modulus, and bulk modulus in a series of composites from a single experimental point. Subsequently, a modification of the widely used Chamis model is introduced, also allowing the prediction of particulate composite moduli from a single experimental point. The predictions of each model are compared with original experimental data derived from tension tests on sustainable and bio‐based composites, covering common cases of thermosets and thermoplastics, as well as different chemical treatments and sizes of the reinforcing materials, and are plotted against the predictions of the rule of mixtures, the inverse rule of mixtures and the Chamis model. Two different matrices (PLA and Ecopoxy) and six different reinforcements (chemically treated and untreated Luffa cylindrica short fibers, acetylated and untreated cotton flocks, and olive pits of 1–5 μm or 50–150 μm diameter) are used. The comparisons show that both the proposed models are capable of achieving much higher prediction accuracy (2.28–59.51 times less root mean square error) than the three models already in use, and easily adapting to the matrix and/or reinforcement changes.

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Modeling of thermomechanical properties of polymeric hybrid nanocomposites

et al. 2017

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This article reports modeling of effective thermomechanical properties of multifunctional carbon nanotube (CNT)‐reinforced hybrid polymeric composites (hereafter, it is referred as “fuzzy fiber composite”). The novel constructional feature of fuzzy fiber composite (FFC) is that nanoscale CNTs are radially grown on the circumferential surfaces of microscale carbon fibers. Several micromechanical models were developed to predict the effective thermomechanical properties of FFC. The waviness of CNTs is intrinsic to many manufacturing processes and it influences thermomechanical behavior of two‐phase CNT‐reinforced composites. Therefore, an endeavor was also made to investigate the effect of wavy CNTs on the effective thermomechanical properties of FFC. The proposed modeling approach was applied to a heat exchanger made of FFC to determine its effective thermal conductivities. The findings of our study suggest that FFC containing nano‐ and micro‐scale fillers show improved thermomechanical properties and are promising next‐generation polymeric composites for advanced structural applications. POLYM. COMPOS., 39:4148–4164, 2018. © 2017 Society of Plastics Engineers

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Effect of Carbon Nanotube Waviness on the Elastic Properties of the Fuzzy Fiber Reinforced Composites

Cited by 39 publications

References 39 publications

Active damping of geometrically nonlinear vibrations of sandwich plates with fuzzy fiber reinforced composite facings

Active damping of geometrically nonlinear vibrations of sandwich plates with fuzzy fiber reinforced composite facings

The exponential model versus a modified Chamis model and applications to sustainable particulate composites

Modeling of thermomechanical properties of polymeric hybrid nanocomposites

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