Vibration analysis of multiwalled carbon nanotube-reinforced composite shell: An experimental study:

doi:10.1177/0967391119870406

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Vibration analysis of multiwalled carbon nanotube-reinforced composite shell: An experimental study:

Journal Article•DOI•

Vibration analysis of multiwalled carbon nanotube-reinforced composite shell: An experimental study:

Mageshwaran Subramani¹, Manoharan Ramamoorthy¹•Institutions (1)

VIT University¹

01 May 2020-Polymers & Polymer Composites (SAGE PublicationsSage UK: London, England)-Vol. 28, Iss: 4, pp 223-232

TL;DR: In this article, the vibration analysis of a multwalled carbon nanotubes (MWCNTs)-reinforced composite shell is performed to investigate the enhancement in natural frequencies and damping of the shell.

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Abstract: In the present study, the vibration analysis of a multiwalled carbon nanotubes (MWCNTs)-reinforced composite shell is performed to investigate the enhancement in natural frequencies and damping of ...

...read moreread less

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Journal Article•DOI•

Free vibration analysis of metal-ceramic matrix composite laminated cylindrical shell reinforced by CNTs

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Xueyang Miao¹, Chaofeng Li¹, Chaofeng Li², Yulin Jiang¹•Institutions (2)

Northeastern University (China)¹, Chinese Ministry of Education²

15 Mar 2021-Composite Structures

TL;DR: In this article, a unified method is presented to analyze free vibrations of dual-functional graded nanocomposite laminated cylindrical shells reinforced by carbon nanotubes (CNTs) under arbitrary boundary conditions.

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18 citations

Journal Article•DOI•

Improved damping and mechanical properties of carbon fibrous laminates with tailored carbon nanotube/polyurethane hybrid membranes:

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Qin Ouyang¹, Xiaohong Wang, Yongtao Yao², Ling Liu¹•Institutions (2)

Tongji University¹, Harbin Institute of Technology²

01 Oct 2021-Polymers & Polymer Composites

TL;DR: In this article, two kinds of damping interleaves, traditional thermoplastic polyurethane (TPU) and novel carbon nanotube (CNT) modified TPU porous membranes are designed and respectively interlea...

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Abstract: This paper design two kinds of damping interleaves, traditional thermoplastic polyurethane (TPU) and novel carbon nanotube (CNT) modified TPU porous membranes are designed and respectively interlea...

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6 citations

Journal Article•DOI•

Influence of MWCNT’s waviness and aggregation factors on wave dispersion response of MWCNT-strengthened nanocomposite curved beam

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Kuanyu Chen, Mostafa Habibi, Masoud Khorami

01 Jul 2023-Structures

TL;DR: In this paper , the impact of waviness and aggregation of nanofillers on wave dispersion behavior of the nanocomposite curved beam strengthened with multi-walled carbon nanotubes (MWCNTs) was investigated.

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3 citations

Journal Article•DOI•

Meta-heuristic optimization of buckling and fundamental frequency of laminated cylindrical panel under graded temperature fields:

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Vinod Bhagat, Jeyaraj Pitchaimani¹•Institutions (1)

National Institute of Technology, Karnataka¹

03 Dec 2020-Polymers & Polymer Composites

TL;DR: In this article, the authors deal with the optimization of buckling and fundamental frequency of a cylindrical panel under various heating conditions, which varies across the surface of the panel.

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Abstract: This research deals with the optimization of buckling and fundamental frequency of a cylindrical panel under various heating conditions, which varies across the surface of the panel. A multi-object...

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3 citations

Proceedings Article•DOI•

Numerical and experimental investigation on vibration analysis of laminated composite conical shell structures

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Akhil Chadha, P. Edwin Sudhagar, Mageshwaran Subramani

13 May 2021

TL;DR: In this paper, a numerical and experimental investigation is performed to examine the vibration responses of laminated composite conical shell structures using finite element model (FEM) developed using predefined finite element software ANSYS®.

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Abstract: In this paper, a numerical and experimental investigation is performed to examine the vibration responses of laminated composite conical shell structures. The finite element model (FEM) is developed using predefined finite element software ANSYS®. The conical shell structures are fabricated through the conventional hand layup technique. Experimental investigations on free vibration mode are executed to demonstrate the effectiveness of the developed FEM in terms of vibration responses of the composite conical shell structures. Furthermore, parametric studies are also performed to explore the effect of changes in the boundary conditions, length of the conical shell samples and ply orientations on the natural frequencies and mode shapes of the composite conical shell structures.

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1 citations

References

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Journal Article•DOI•

Helical microtubules of graphitic carbon

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Sumio Iijima¹•Institutions (1)

NEC¹

01 Nov 1991-Nature

TL;DR: Iijima et al. as mentioned in this paper reported the preparation of a new type of finite carbon structure consisting of needle-like tubes, which were produced using an arc-discharge evaporation method similar to that used for fullerene synthesis.

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Abstract: THE synthesis of molecular carbon structures in the form of C60 and other fullerenes1 has stimulated intense interest in the structures accessible to graphitic carbon sheets. Here I report the preparation of a new type of finite carbon structure consisting of needle-like tubes. Produced using an arc-discharge evaporation method similar to that used for fullerene synthesis, the needles grow at the negative end of the electrode used for the arc discharge. Electron microscopy reveals that each needle comprises coaxial tubes of graphitic sheets, ranging in number from 2 up to about 50. On each tube the carbon-atom hexagons are arranged in a helical fashion about the needle axis. The helical pitch varies from needle to needle and from tube to tube within a single needle. It appears that this helical structure may aid the growth process. The formation of these needles, ranging from a few to a few tens of nanometres in diameter, suggests that engineering of carbon structures should be possible on scales considerably greater than those relevant to the fullerenes. On 7 November 1991, Sumio Iijima announced in Nature the preparation of nanometre-size, needle-like tubes of carbon — now familiar as 'nanotubes'. Used in microelectronic circuitry and microscopy, and as a tool to test quantum mechanics and model biological systems, nanotubes seem to have unlimited potential.

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39,086 citations

Journal Article•DOI•

Dispersion and functionalization of carbon nanotubes for polymer-based nanocomposites: a review

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Peng-Cheng Ma¹, Naveed A. Siddiqui¹, Gad Marom², Jang Kyo Kim¹•Institutions (2)

Hong Kong University of Science and Technology¹, Hebrew University of Jerusalem²

01 Oct 2010-Composites Part A-applied Science and Manufacturing

TL;DR: In this paper, a review of the current understanding of carbon nanotubes and CNT/polymer nanocomposites with two particular topics: (i) the principles and techniques for CNT dispersion and functionalization and (ii) the effects of CNT-based functionalization on the properties of polymers.

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Abstract: Carbon nanotubes (CNTs) hold the promise of delivering exceptional mechanical properties and multi-functional characteristics. Ever-increasing interest in applying CNTs in many different fields has led to continued efforts to develop dispersion and functionalization techniques. To employ CNTs as effective reinforcement in polymer nanocomposites, proper dispersion and appropriate interfacial adhesion between the CNTs and polymer matrix have to be guaranteed. This paper reviews the current understanding of CNTs and CNT/polymer nanocomposites with two particular topics: (i) the principles and techniques for CNT dispersion and functionalization and (ii) the effects of CNT dispersion and functionalization on the properties of CNT/polymer nanocomposites. The fabrication techniques and potential applications of CNT/polymer nanocomposites are also highlighted.

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2,849 citations

"Vibration analysis of multiwalled c..." refers background in this paper

...Ma et al.(5) presented a review article on dispersion and functionalization of CNT for polymer-based composite and they concluded that effective dispersion for nanotubes is achieved in ultrasonication technique because the better dispersion enhances the good mechanical properties....
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Journal Article•DOI•

Dispersion, interfacial interaction and re-agglomeration of functionalized carbon nanotubes in epoxy composites

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Peng-Cheng Ma¹, Shan-Yin Mo¹, Ben Zhong Tang¹, Jang Kyo Kim¹•Institutions (1)

Hong Kong University of Science and Technology¹

01 May 2010-Carbon

TL;DR: In this paper, the surface, interfacial and dispersion properties of carbon nanotubes (CNTs), and the mechanical properties of the CNT/epoxy composites affected by CNT functionalization are investigated.

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512 citations

"Vibration analysis of multiwalled c..." refers methods in this paper

...The interrelationship among the dispersion, functionalization, and reagglomeration tendency behavior of the CNT/epoxy was studied by Ma et al.(6) Warrier et al....
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Journal Article•DOI•

Mechanical properties of multi-walled carbon nanotube/epoxy composites

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Arash Montazeri¹, Jafar Javadpour¹, Alireza Khavandi¹, Abbas Tcharkhtchi², Ali Mohajeri - Show less +1 more•Institutions (2)

Iran University of Science and Technology¹, Arts et Métiers ParisTech²

01 Oct 2010-Materials & Design

TL;DR: In this paper, the effect of MWNT addition and surface modification on the mechanical properties of carbon nanotubes (MWNTs) was investigated by using Modified Halpin-Tasi equation to evaluate Young's modulus and tensile strength of the MWNTs.

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303 citations

"Vibration analysis of multiwalled c..." refers methods in this paper

...The dynamic characterization study among the treated and untreated MWCNT was performed by Montazeri et al.12 The Young’s modulus of treated and untreated CNT composites has been increased by increasing the weight percentage of MWCNT....
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...The dynamic characterization study among the treated and untreated MWCNT was performed by Montazeri et al.(12) The Young’s modulus of treated and untreated CNT composites has been increased by increasing the weight percentage of MWCNT....
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...The influence of sonication parameters on dispersion and mechanical properties of the MWCNT-reinforced composites was investigated by Montazeri et al.17 From the exploration, they noticed that the better dispersion and entanglement of MWCNT achieved when the sonication time increases....
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...Samples were fabricated with 0.5 wt% of epoxy with various aspect ratio of MWCNT and they concluded that the Young’s modulus and tensile strength have been increased with increase in aspect ratio of MWCNT. Montazeri et al.14 also examined the effect of MWCNT-reinforced epoxy at various weight percentage of MWCNT (0.1, 0.5, 1, and 2 wt%)....
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Journal Article•DOI•

Fabrication and characterization of carbon/epoxy composites mixed with multi-walled carbon nanotubes

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Yuanxin Zhou¹, Farhana Pervin¹, Lance Lewis¹, Shaik Jeelani¹•Institutions (1)

Center for Advanced Materials¹

25 Feb 2008-Materials Science and Engineering A-structural Materials Properties Microstructure and Processing

TL;DR: In this article, a high-intensity ultrasonic liquid processor was used to obtain a homogeneous mixture of epoxy resin and multi-walled carbon nanotubes (CNTs).

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Abstract: In this study, a high-intensity ultrasonic liquid processor was used to obtain a homogeneous mixture of epoxy resin and multi-walled carbon nanotubes (CNTs). The CNTs were infused into epon 862 epoxy resin through sonic cavitation and then mixed with W curing agent using a high-speed mechanical agitator. The trapped air and reaction volatiles were removed from the mixture using a high vacuum. Flexural tests and fracture toughness tests were performed on unfilled and CNT-filled epoxy to identify the effect of adding CNTs on the mechanical properties of epoxy. The highest improvement in strength and fracture toughness was obtained with 0.3 wt% CNT loading. The nanophased matrix filled with 0.3 wt% CNT was then used with weave carbon fabric in a vacuum-assisted resin transfer molding (VARTM) set up to fabricate composite panels. Flexural tests, thermogravimetric analysis (TGA), and dynamic mechanical analysis (DMA) were performed to evaluate the effectiveness of adding CNTs on the mechanical and thermal properties of the composite. The glass transition temperature, decomposition temperature, and flexural strengths were improved by infusing CNTs. Based on the experimental result, a linear damage model has been combined with the Weibull distribution function to establish a constitutive equation for neat and nanophased carbon/epoxy. Simulated result show that that infusing CNTs increases Weiubll scale parameter, but decrease Weibull shape parameter.

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261 citations

"Vibration analysis of multiwalled c..." refers methods in this paper

...The mechanical behavior of the MWCNT-reinforced carbon/epoxy composite laminate was studied by Zhou et al.20 with the various mechanical test and they explored that better strength achieved at 0.3 wt% of MWCNT. Chandrasekaran et al.21 experimentally reported the influence of MWCNT on glass fiber composites and they found that good results with the addition of 0.5 wt% of MWCNT....
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...The mechanical behavior of the MWCNT-reinforced carbon/epoxy composite laminate was studied by Zhou et al.(20) with the various mechanical test and they explored that better strength achieved at 0....
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...The effective results are obtained when the solvent (acetone) is being used for dispersion of MWCNT. Zhou et al.11 presented the mechanical and thermomechanical properties of MWCNT-reinforced epoxy composite on various weight percentage of MWCNT and they found that flexural modulus has been increased up to 0.3 wt% of MWCNT....
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