Relevant bibliographies by topics / Carbon nano-composites

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  2. Dissertations / Theses
  3. Books
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Academic literature on the topic 'Carbon nano-composites'

Author: Grafiati
Published: 4 June 2021
Last updated: 15 February 2022

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Journal articles on the topic "Carbon nano-composites"

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Ayatollahi, Majid R., R. Moghimi Monfared, and R. Barbaz Isfahani. "Experimental investigation on tribological properties of carbon fabric composites: effects of carbon nanotubes and nano-silica." Proceedings of the Institution of Mechanical Engineers, Part L: Journal of Materials: Design and Applications 233, no. 5 (2017): 874–84. http://dx.doi.org/10.1177/1464420717714345.

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In this study, the effects of nano-[Formula: see text] and carbon nanotubes on the friction and wear properties of carbon-epoxy woven composites have been explored. The unfilled carbon fabric composites and carbon fabric composites filled with carbon nanotubes and nano-[Formula: see text] were fabricated by vacuum infusion process. The worn surfaces were examined and possible wear mechanisms of unfilled and filled carbon fabric composites were discussed. In addition, the friction coefficient curves of unfilled and filled carbon fabric composites were analyzed and compared. The experimental results showed that either of the two nano-particles improved the friction coefficient and wear rate of carbon fabric composites; however, better improvement was observed for nano-SiO2. By adding these nano-particles to unfilled carbon fabric composites, a primary steady-state period with a low friction coefficient appeared in the friction coefficient curve of the composites, which indicates enhancement in bonding strength between carbon fiber and epoxy matrix due to the interfacial reinforcing action of the nano-particles.
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Hussein, Seenaa Ibrahem. "Effect of Temperature on Electrical Conductivity of Multi Walled Carbon nano Tube Epoxy Nano Composites." International Journal of Trend in Scientific Research and Development Volume-1, Issue-5 (2017): 254–64. http://dx.doi.org/10.31142/ijtsrd2273.

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Hamed Mashhadzadeh, Amin, Abdolhossein Fereidoon, Yasser Rostamiyan, Mohammad Mahdi Khatibi, Mohammad Reza Mohammadi, and Ali Nikjoo. "Using Taguchi approach for optimizing mechanical properties of hybrid laminates nanocomposite." Proceedings of the Institution of Mechanical Engineers, Part E: Journal of Process Mechanical Engineering 231, no. 4 (2016): 773–85. http://dx.doi.org/10.1177/0954408916637379.

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In current study, two kinds of nano-composites were prepared and the effect of input parameters on impact properties of desired hybrid nano-composites was investigated. Carbon fiber orientation, nano-clay content, and carbon nano-tube content were selected as input parameters in one set and carbon fiber orientation, nano-clay content, and nano-SiO2 content were the input parameters of the other set of prepared nano-composites. Taguchi design was used for design of experiments and analyzing results. The obtained results show that the maximum value of impact strength for both of nano-composites occurred in the design level 2 with 0 degree of fiber orientation, 1.5 wt% of nano-clay, 1 wt% of nano-SiO2, and 1 wt% of carbon nano-tube and the magnitude of impact strength for nano-clay/carbon nano-tube and nano-clay/nano-SiO2 was 6.6 kJ/m2 and 6.3 kJ/m2, respectively. From analysis of variance, it was clear that all of the input variables had reverse effect on impact response except the nano-clay. The carbon fiber orientation had the greatest effect and the effect of carbon nano-tube was higher than nano-SiO2 according to its probability value. Also mechanical plots show that, the optimum level of input variables of hybrid nano-composites reached higher values of impact strength compared with pure epoxy and binary nano-composites.
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J. Jayaseelan, J. Jayaseelan, P. Palanisamy P. Palanisamy, and K. R. Vijayakumar K. R. Vijayakumar. "Design, Fabrication and Characterization of Nano Tubes Reinforced Epoxy - Carbon Fiber Composites." Indian Journal of Applied Research 3, no. 2 (2011): 125–27. http://dx.doi.org/10.15373/2249555x/feb2013/43.

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Han, Baoguo, Yunyang Wang, Siqi Ding, et al. "Self-sensing cementitious composites incorporated with botryoid hybrid nano-carbon materials for smart infrastructures." Journal of Intelligent Material Systems and Structures 28, no. 6 (2016): 699–727. http://dx.doi.org/10.1177/1045389x16657416.

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The botryoid hybrid nano-carbon materials were incorporated into cementitious materials to develop a new type of self-sensing cementitious composites, and then the mechanical, electrically conductive, and piezoresistive behaviors of the developed self-sensing cementitious composites with botryoid hybrid nano-carbon materials were comprehensively investigated. Moreover, the modification mechanisms of botryoid hybrid nano-carbon materials to cementitious materials were also explored. The experimental results show that the compressive strength and the elasticity modulus of the self-sensing cementitious composites botryoid hybrid nano-carbon materials decrease with the increase in the botryoid hybrid nano-carbon material content, while the Poisson’s ratio does the opposite. The percolation threshold zone of the self-sensing cementitious composites botryoid hybrid nano-carbon materials is from 2.28 to 3.85 vol.%. The optimal content of botryoid hybrid nano-carbon materials is 3.38 vol.% for piezoresistivity of the self-sensing cementitious composites botryoid hybrid nano-carbon materials. The amplitude of fractional change in resistivity goes up to 70.4% and 28.9%, respectively, under the monotonic compressive loading to failure and under the repeated compressive loading within elastic regime. The piezoresistive stress/strain sensitivity reaches (3.04%/MPa)/354.28 within elastic regime. The effective modification of botryoid hybrid nano-carbon materials to electrically conductive and piezoresistive properties of cementitious materials at such low content is attributed to their botryoid structures, which are beneficial for the dispersion of botryoid hybrid nano-carbon materials and the formation of conductive network in cementitious materials. The use of botryoid hybrid nano-carbon materials provides a new bottom–up design and fabrication approach for nano-engineering multifunctional cementitious composites.
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Marquis, Fernand D. S. "Carbon Nanotube Nano Composites for Multifunctional Applications." Materials Science Forum 561-565 (October 2007): 1397–402. http://dx.doi.org/10.4028/www.scientific.net/msf.561-565.1397.

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Owing to their exceptional stiffness, strength, thermal and electrical conductivity, carbon nanotubes have the potential for the development of nano composites materials for a wide variety of applications. In order to achieve the full potential of carbon nanotubes for structural, thermal and electrical multifunctional applications, both single wall carbon nanotubes (SWNTs), double wall nanotubes (DWNTs) and multi wall nanotubes (MWNTs) need to be developed into fully integrated carbon nanotube composites. Full integration of nanotubes requires their development beyond conventional composites so that the level of the non-nanotube material is designed to integrate fully with the amount of nanotubes and where the nanotubes are part of the matrix rather than a differing component, as in the case of conventional composites. In order to advance the development of multifunctional materials from nanotubes, this research is focused on the simultaneous control of structural properties, thermal and electrical conductivity of fully integrated carbon nanotube composites. These are hybrid material systems designed to surpass the limits of rule of mixtures engineering and composite design. The goals are to implement designs to fully mimic the properties of carbon nanotubes on larger scales for enhanced thermal and electrical management in addition to controlled strength and toughness. These new approaches involve, functionalization, dispersion, stabilization, alignment, polymerization and reaction bonding, in order to achieve full integration. Typical examples of polymeric and ceramic matrices, as well as other material systems are presented and discussed.
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Carley, Glaucio, Viviany Geraldo, Sergio de Oliveira, and Antonio Ferreira Avila. "Nano-engineered composites: interlayer carbon nanotubes effect." Materials Research 16, no. 3 (2013): 628–34. http://dx.doi.org/10.1590/s1516-14392013005000034.

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Kumar, Satish, Harit Doshi, Mohan Srinivasarao, Jung O. Park, and David A. Schiraldi. "Fibers from polypropylene/nano carbon fiber composites." Polymer 43, no. 5 (2002): 1701–3. http://dx.doi.org/10.1016/s0032-3861(01)00744-3.

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Borchardt, Lars, Holger Althues, and Stefan Kaskel. "Carbon nano-composites for lithium–sulfur batteries." Current Opinion in Green and Sustainable Chemistry 4 (April 2017): 64–71. http://dx.doi.org/10.1016/j.cogsc.2017.02.008.

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S. Nasrat, Loai, Berlanty A. Iskander, and Marina N. Kamel. "Carbon Nanotubes Effect for Polymer Materials on Break Down Voltage." International Journal of Electrical and Computer Engineering (IJECE) 7, no. 4 (2017): 1770. http://dx.doi.org/10.11591/ijece.v7i4.pp1770-1778.

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Epoxy resin composites reinforced to different types of carbon nano-particles have been fabricated. Carbon black (20, 30 and 40 wt. %), graphene (0.5 to 4 wt. %) and carbon nanotubes (CNT) (0.5 to 2 wt. %) were added with different weight percentages to epoxy. The dielectric strength of composites was tested in several conditions such as (dry, wet, low salinity and high salinity). The mechanical characterization showed that the nano-composite Polymer enhanced by using these particles in the tensile strength. Thermal gravimetric analysis shows effect of these nano-particles on the thermal structure of epoxy resin. Scanning Electron Microscopic test is used to characterize the dispersion of carbon nano-particles and to analysis the fractured parts in the nano scale.
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Dissertations / Theses on the topic "Carbon nano-composites"

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Liu, Yan. "Nano-reinforced epoxy resin for carbon fibre fabric composites." Thesis, University of Manchester, 2016. https://www.research.manchester.ac.uk/portal/en/theses/nanoreinforced-epoxy-resin-for-carbon-fibre-fabric-composites(284f8361-2530-4fc8-8abe-759ff2e57891).html.

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This thesis reports a study of the effects on processing and properties of incorporating nano-scale reinforcements (multiwall carbon nanotubes, MWCNTs) in the matrix of epoxy- carbon fibre (CF) laminate composites to produce multi-scale composites (M-SC). The main aim of this research was to study the effects of MWCNTs on matrix toughening and the through-thickness properties of M-SCs based on a commonly used aerospace grade epoxy resin — triglycidyl-p-aminophenol (TGPAP) cured with diaminodiphenyl sulphone (DDS). In order to improve resin processing, diglycidyl ether of bisphenol F (DGEBF) was added into the TGPAP/DDS system as a reactive diluent. Factorial experimental design (FED) was used to optimize the composition of this tri-component system to obtain high Tg and low resin viscosity, which gave a TGPAP/DGEBF/DDS system with 30.56 wt.% of DGEBF and a chemical stoichiometry of 0.5. Three types of MWCNTs were used; as-received (AR-), base-washed (BW-) and amine functionalized (NH2-). These were shear-mixed with both the bi- and tri-component systems using a 3-roll mill to produce nanocomposite matrices (NCM). The curing behaviour, dispersion state of MWCNTs in the resin and processability of NCMs were studied to decide upon the preparation method for the final M-SC. The fracture toughness (KIC) and the flexural properties of NCM were affected by both MWCNTs and the matrix type; thus KIC increased by up to 8 % in TGPAP/DDS NCM but decreased by 23% in TGPAP/DGEBF/DDS NCM with 0.5 wt.% AR-CNTs. The addition of both non-functionalized and functionalized MWCNTs increased the flexural modulus. The failure mechanism of NCMs was found to be dominated by the size and distribution of CNT aggregates and the behaviour of MWCNTs, both those dispersed in the matrix and in aggregates. The addition of functionalized MWCNTs increased the interfacial bonding between MWCNT and epoxy resin and thus improved the mechanical properties. All the NCM systems were taken forward to manufacture M-SC using a hybrid resin film infusion (RFI)/hot press process. The fibre volume fraction and the void content could be controlled at 43 ± 5 % for M-SC with TGPAP/DDS NCM and 60 ± 6 % for M-SC with TGPAP/DGEBF/DDS NCM. M-SCs were characterised using a range of tests, including flexural, interlaminar shear strength (ILSS), mode-II interlaminar fracture toughness (GIIC), low velocity impact and compression after impact (CAI). The most obvious improvement occurred for the M-SC with tri-component system with 0.5 wt.% CNTs, whereILSS increased by 16 % upon adding NH2-CNTs and GIIC increased significantly on addition of 0.5 wt.% AR-CNTs and NH2-CNTs, by 85% and 184% respectively. However the effect of MWCNTs on other properties was at best marginal. For example, for the M-SC with TGPAP/DDS, the flexural modulus and ILSS only increased by 4.1 % and 2.3 % with 0.5 wt.% AR-CNT.
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Dong, S., D. Wang, Ashraf F. Ashour, B. Han, and J. Ou. "Nickel plated carbon nanotubes reinforcing concrete composites: from nano/micro structures to macro mechanical properties." Elsevier, 2020. http://hdl.handle.net/10454/18205.

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Yes<br>Owing to their small size, good wettability, uniform dispersion ability and high thermal properties, the nickel-plated carbon nanotubes (Ni-CNTs) with different aspect ratios are used to reinforce reactive powder concrete (RPC) through modifying the nano/micro- structural units of concrete. Incorporating only 0.075 vol% of Ni-CNTs (0.03 vol% of CNTs) can significantly increase mechanical properties of RPC. The enhancement effect on compressive strength caused by the incorporation of Ni-CNTs with aspect ratio of 1000 reaches 26.8%/23.0 MPa, mainly benefiting from the high polymerization C-S-H gels, low porosity, and refined pore structure. The 33.5%/1.92 MPa increases of flexural strength can be attributed to the decrease of large pore, original cracks, molar ratio of CaO to SiO2, and gel water content when Ni-CNTs with aspect ratio of 125 are added. Ni-CNTs with aspect ratio of 1500 have the largest utilization rate of being pulled-out, resulting from the improvement of dispersibility and the pining effect of nickel coating and then leading to the increased toughness. Therefore, incorporating Ni-CNTs can fundamentally modify the nano/micro- scale structural nature of RPC, providing a bottom-up approach for controlling the properties of RPC.<br>Funding supported from the National Science Foundation of China (51908103 and 51978127) and the China Postdoctoral Science Foundation (2019M651116).<br>The full-text of this article will be released for public view at the end of the publisher embargo on 7th Dec 2021.
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Sok, Vibol. "Amperometric enzyme-based detection of agriculturalpesticides on novel carbon nano-onion composites." Doctoral thesis, Universitat Rovira i Virgili, 2018. http://hdl.handle.net/10803/665119.

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Actualment hi ha una gran preocupació sobre l'ús de pesticides en l'agricultura i els seus possibles efectes secundaris. Això fa que el desenvolupament de sistemes de detecció sensibles i robustos sigui un pas important en aquesta direcció. D'altra banda, les nano-cebes de carboni (CNOs) són materials molt atractius i prometedors amb estructures definides i propietats electroquímiques notables que amb prou feines s'han estudiat en biosensors. L'objectiu general d'aquesta tesi és estudiar la interacció de diferents plaguicides amb peroxidasa i tirosinasa amb l'objectiu de desenvolupar biosensors per a la seva detecció basats en elèctrodes modificats amb CNOs. Per aconseguir aquest objectiu general, s'ha estudiat: 1) la inhibició de les activitats de peroxidasa i tirosinasa per tres dels plaguicides més utilitzats (2,4-D, 2,4,5-T i glifosat), 2) l'ús d'CNOs oxidades com a suports per a la immobilització d'enzims i un estudi de l'activitat i estabilitat dels enzims immobilitzades, 3) el desenvolupament de biosensors electroquímics per a detecció dels plaguicides abans esmentats basats en els elèctrodes modificats amb composites contenint enzims i CNOs. Aquesta tesi és, per tant, una contribució a un camp de ràpid creixement relacionat amb el desenvolupament de noves classes de nanomaterials de carboni que té com a objectiu ampliar les seves aplicacions actuals en la construcció de sistemes de detecció nous amb millors prestacions.<br>Actualmente existe una gran preocupación sobre el uso de pesticidas en la agricultura y sus posibles efectos secundarios. Esto hace que el desarrollo de sistemas de detección sensibles y robustos sea un paso importante en esta dirección. Por otro lado, las nano-cebollas de carbono (CNOs) son materiales muy atractivos y prometedores con estructuras definidas y propiedades electroquímicas notables que apenas se han estudiado en biosensores. El objetivo general de esta tesis es estudiar la interacción de diferentes plaguicidas con peroxidasa y tirosinasa con el objetivo de desarrollar biosensores para su detección basados ​​en electrodos modificados con CNOs. Para lograr este objetivo general, se ha estudiado: 1) la inhibición de las actividades de peroxidasa y tirosinasa por tres de los plaguicidas más utilizados (2,4-D, 2,4,5-T y glifosato), 2) el uso de CNOs oxidadas como soportes para la inmovilización de enzimas y un estudio de la actividad y estabilidad de las enzimas inmovilizadas, 3) el desarrollo de biosensores electroquímicos para detección de los plaguicidas antes citados basados ​​en los electrodos modificados con composites conteniendo enzimas y CNOs. Esta tesis es, por lo tanto, una contribución a un campo de rápido crecimiento relacionado con el desarrollo de nuevas clases de nanomateriales de carbono que tiene como objetivo ampliar sus aplicaciones actuales en la construcción de sistemas de detección novedosos con mejores prestaciones.<br>There is currently a strong concern on the use of pesticides in agriculture and their possible side effects. This makes the development of sensitive and robust detection systems an important step in this direction. On the other hand, carbon nano-onions are very attractive and promising materials with defined structures and remarkable electrochemical properties that have been scarcely studied in biosensing. The overall objective of this thesis is to study the interaction of different pesticides with peroxidase and tyrosinase with the aim to develop biosensors for pesticide detection based on CNO-modified electrodes. To achieve this general objective, the following aspects have been focused on: 1) the inhibition of peroxidase and tyrosinase activities by three of the most used pesticides (2,4-D, 2,4,5-T and glyphosate), 2) the use of oxidized CNOs as supports for the immobilization of enzymes and a study of the activity and stability of the immobilized enzymes, 3) the development of electrochemical biosensors for pesticide detection based on the prepared CNO-enzyme modified electrodes. This thesis is thus a contribution to a rapidly growing field related with the development of new classes of carbon nano-onion based nanomaterials that aims at expanding their current applications in the construction of novel detection systems with improved performances.
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Alshammari, Basheer. "Processing, structure and properties of poly(ethyleneterephthalate)/carbon micro- and nano-composites." Thesis, University of Manchester, 2015. https://www.research.manchester.ac.uk/portal/en/theses/processing-structure-and-properties-of-poly-ethyleneterephthalatecarbon-micro-and-nanocomposites(0397f989-3be6-4012-a18b-8b91660bd330).html.

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Incorporation of conductive carbon fillers into polymer matrices can improve electrical,thermal and mechanical properties of the resulting composites. In this work, three differentconductive carbon fillers were used; i.e. graphite, graphite nanoplatelets (GNP) and asreceivedmultiwall carbon nanotubes (A-MWCNT). In addition, A-MWCNT were modifiedusing mixed acids and named as T-MWCNT. These four fillers were incorporated into poly(ethylene terephthalate) (PET) to prepare four types of PET/carbon micro- and nanocomposites. These composites were prepared by melt compounding using a Haake Minilabextruder equipped with a co-rotating twin screws. The extruded samples were compressionmoulded to films of 1 mm thickness and were subsequently quenched to obtain lowcrystallinity samples. The extruded samples were also injection moulded to obtain dumbbellshaped specimens. The electrical, morphological, thermal and mechanical properties of thesecomposites were studied and characterized as a function of carbon filler types and contentsusing a wide range of analytical and testing techniques: namely; impedance spectroscopy,DSC, TGA, SEM, TEM, FTIR, DMTA and tensile testing. The results demonstrated that theaddition of graphite, GNP and A-MWCNT produced electrically conductive composites andthat the conductivities were found to be dependent on several factors; including filler type,filler content and processing conditions. The PET/A-MWCNT nanocomposites showed anexcellent electrical conductivity (~ 0.2 S/m at 2 wt. % A-MWCNT) with a low percolationthreshold (Fc ~ 0.33 wt. %). In contrast, PET/T-MWCNT nanocomposites displayed similarelectrical conductivity to that of pure PET and no percolation threshold was observed in thiscase (until 2 wt. % of CNT), this was attributed to the acid treatment which disrupted theinherent electrical conductivity of the CNT and also reduced their aspect ratio. However, TMWCNTshowed better dispersion and distribution into the PET matrix as well as reducedCNT-CNT interactions and therefore do not as readily form network structures. This resultedin better mechanical properties in comparison to the PET/A-MWCNT nanocomposites. Interms of processing, increasing screw speed during mixing was found to enhance theelectrical conductivities of PET/carbon nanocomposites (GNP and A-MWCNT), but onlyabove the percolation thresholds values, by ~ 2 – 3 orders of magnitude. However, nosignificant change was observed in the electrical conductivities of PET/graphitemicrocomposites. All the carbon fillers, with different dimensions, were found to act asnucleating agents for the PET matrix and hence accelerated crystallization and increased thedegree of crystallinity. CNT were found to accelerate the crystallization at lower loadingscompared to GNP and graphite. In addition, it was found that quenched PET and compositesamples were not fully crystallized after processing and therefore (cold) crystallized duringthe first heating cycle in both DSC and DMTA, as indicated by crystallisation peaks duringthe DSC first-heat and a rise in storage moduli above Tg during the DMTA first heat. Ingeneral, TGA showed that carbon fillers improved the resistance to thermal and thermooxidativedegradation under both air and nitrogen atmospheres. However, a reduction inthermal stability was observed for the composites containing T-MWCNT in air. The carbonfillers increased the storage and tensile moduli of the composites compared to pure PET.However; tensile strength and elongation at break were reduced except for compositecontaining T-MWCNT which showed no significant change at lower loadings. The tensile23moduli of nanocomposites were predicted using Halpin-Tsai models, which showed goodagreement at low loadings of A-MWCNT (≤ 0.2 wt. %) and GNP (≤ 2 wt. %). However,poor agreement was observed at higher loadings of fillers where the composites displayedreduced reinforcement efficiency. This correlates with results from SEM, which showedagglomeration, poorer distribution, debonding and rolling up of fillers in the PET matrix athigher loadings.
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Liu, Jing. "Carbon nanotube/polymer composites and novel micro- and nano-structured electrospun polymer materials." Diss., Atlanta, Ga. : Georgia Institute of Technology, 2007. http://hdl.handle.net/1853/22673.

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Thesis (Ph. D.)--Textile and Fiber Engineering, Georgia Institute of Technology, 2007.<br>Committee Chair: Kumar, Satish; Committee Member: Carr, Wallace; Committee Member: Graham, Samuel; Committee Member: Griffin, Anselm; Committee Member: Yao, Donggang.
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Ilyas, Muhammad. "Development of nano-graphene cementitious composites (NGCC)." Thesis, Brunel University, 2016. http://bura.brunel.ac.uk/handle/2438/15828.

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Ordinary Portland cement (OPC) is the main constituent of concrete works as a principal binder for aggregates and intrinsically transmits the brittleness into concrete through the formation of hydration crystals in the cement microstructure. A number of nano cementitious composites were developed in recent years to offset the brittleness with newly discovered nanomaterials and the most prevalent among those is the graphene oxide (GO). The main objective of this PhD research work is to develop nano graphene cementitious composites (NGCC) using low cost, two dimensional (2D) graphene nanoplatelets (GNPs) and one dimensional (1D) graphited carbon nanofibres (GCNFs) with unique conical surface morphology. The GNPs were sourced synthesised in an environmental friendly way via plasma exfoliation whereas, GCNFs were manufactured through catalytic vapour grown method. The project further investigated the effect of these nanomaterials in regulating the distinctive microstructure of cement matrix leading to enhance its mechanical properties. Three different types of high-performance NGCC namely NGCC-Dot, NGCC-Fnt and NGCC-CNF, are developed by activating pristine GNPs (G-Dot), functionalised GNPs (G-Fnt) and graphited nanofibers (G-CNFs) into the cement matrix respectively. It is found through various characterization and experimental techniques that both GNPs and GCNFs regulated the cement microstructure and influenced the mechanical properties of NGCC uniquely. A remarkable increase in the flexural and the tensile strength of newly developed NGCC has been achieved and that could be attributed to the formation of distinctive microstructure regulated by catalytic activation of these nanomaterials. The shape (1D, 2D) and unique morphology of these nanomaterials played a vital role in the mechanism of crystal formation to regulate the cement microstructure. Based on the observations of test results and comprehensive characterization, the possible mechanisms of crystal formation and development of distinctive microstructure of NGCC has been established which has then proceeded to the development of a physical model for NGCC development.
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Voormann, Hauke [Verfasser]. "Smart dispersion of carbon nanoparticle epoxy composites: from nano to application / Hauke Voormann." Hamburg : Universitätsbibliothek der Technischen Universität Hamburg-Harburg, 2021. http://d-nb.info/123281296X/34.

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Radhakrishnan, Vikram. "Cohesive zone modeling of the interface in linear and nonlinear carbon nano-composites." Cincinnati, Ohio : University of Cincinnati, 2008. http://rave.ohiolink.edu/etdc/view.cgi?acc_num=ucin1206453509.

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Thesis (M.S.)--University of Cincinnati, 2008.<br>Advisor: Kumar Vemaganti. Title from electronic thesis title page (viewed Feb.25, 2009). Includes abstract. Keywords: carbon nano-composites; cohesive zone modeling (CZM); interface; finite element analysis. Includes bibliographical references.
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Combessis, Anthony. "Appport des nanotubes de carbone à la conduction électrique de matériaux organiques." Thesis, Grenoble, 2011. http://www.theses.fr/2011GRENI062.

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Ce travail de thèse propose, par une approche multi-échelles, une compréhension de certains mécanismes de constitution des réseaux percolants de nanotubes de carbone initialement dispersés au sein de polymères thermoplastiques. L'impact du phénomène de « percolation dynamique » sur les propriétés électriques d.c. et a.c. des nanocomposites a ainsi été étudié par l'établissement d'inter-relations entre l'organisation des charges et les propriétés résultantes. L'effet de cette auto-organisation des systèmes sur les paramètres critiques d.c. de la loi de percolation statistique sont discutés. Des origines à la percolation dynamique sont proposées et permettent d'envisager de nombreuses applications industrielles. A titre d'exemple, le contrôle sur plusieurs ordres de grandeur de la permittivité et de la conductivité est proposé, certaines valeurs n'étant pas accessibles avec les méthodes conventionnelles<br>The present thesis proposes a multi-scale understanding of some mechanisms that govern the genesis of percolating networks constituted with carbon nanotubes in thermoplastic polymers. The effect of "dynamic percolation" on the d.c. and a.c. electrical properties of the resulting nanocomposites was studied by means of the identification of the relationships between the filler organization and the use properties. The consequences of this controlled self-organization on the statistic percolation law d.c. critical parameters are discussed. Two possible origins of the dynamic percolation are proposed. From an applicative point of view, thermal treatments were applied to design new materials. The range of accessible permittivity and conductivity values is also discussed
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Alipour, Skandani Amir. "Computational and Experimental Nano Mechanics." Diss., Virginia Tech, 2014. http://hdl.handle.net/10919/64869.

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The many advances of nano technology extensively revolutionize mechanics. A tremendous need is growing to further bridge the gap between the classical mechanics and the nano scale for many applications at different engineering fields. For instance, the themes of interdisciplinary and multidisciplinary topics are getting more and more attention especially when the coherency is needed in diagnosing and treating terminal diseases or overcoming environmental threats. The fact that how mechanical, biomedical and electrical engineering can contribute to diagnosing and treating a tumor per se is both interesting and unveiling the necessity of further investments in these fields. This dissertation presents three different investigations in the area of nano mechanics and nano materials spanning from computational bioengineering to making mechanically more versatile composites. The first part of this dissertation presents a numerical approach to study the effects of the carbon nano tubes (CNTs) on the human body in general and their absorbability into the lipid cell membranes in particular. Single wall carbon nano tubes (SWCNTs) are the elaborate examples of nano materials that departed from mere mechanical applications to the biomedical applications such as drug delivery vehicles. Recently, experimental biology provided detailed insights of the SWCNTs interaction with live organs. However, due to the instrumental and technical limitations, there are still numerous concerns yet to be addressed. In such situation, utilizing numerical simulation is a viable alternative to the experimental practices. From this perspective, this dissertation reports a molecular dynamics (MD) study to provide better insights on the effect of the carbon nano tubes chiralities and aspect ratios on their interaction with a lipid bilayer membrane as well as their reciprocal effects with surface functionalizing. Single walled carbon nano tubes can be utilized to diffuse selectively on the targeted cell via surface functionalizing. Many experimental attempts have smeared polyethylene glycol (PEG) as a biocompatible surfactant to carbon nano tubes. The simulation results indicated that SWCNTs have different time-evolving mechanisms to internalize within the lipid membrane. These mechanisms comprise both penetration and endocytosis. Also, this study revealed effects of length and chirality and surface functionalizing on the penetrability of different nano tubes. The second part of the dissertation introduces a novel in situ method for qualitative and quantitative measurements of the negative stiffness of a single crystal utilizing nano mechanical characterization; nano indentation. The concept of negative stiffness was first introduced by metastable structures and later by materials with negative stiffness when embedded in a stiffer (positive stiffness) matrix. However, this is the first time a direct quantitative method is developed to measure the exact value of the negative stiffness for triglycine sulfate (TGS) crystals. With the advancements in the precise measuring devices and sensors, instrumented nano indentation became a reliable tool for measuring submicron properties of variety of materials ranging from single phase humongous materials to nano composites with heterogeneous microstructures. The developed approach in this chapter of the dissertation outlines how some modifications of the standard nano indentation tests can be utilized to measure the negative stiffness of a ferroelectric material at its Curie temperature. Finally, the last two chapters outline the possible improvements in the mechanical properties of conventional carbon fiber composites by introducing 1D nano fillers to them. Particularly, their viscoelastic and viscoplastic behavior are studied extensively and different modeling techniques are utilized. Conventional structural materials are being replaced with the fiber-reinforced plastics (FRPs) in many different applications such as civil structures or aerospace and car industries. This is mainly due to their high strength to weight ratio and relatively easy fabrication methods. However, these composites did not reach their full potential due to durability limitations. The majorities of these limitations stem from the polymeric matrix or the interface between the matrix and fibers where poor adhesion fails to carry the desired mechanical loadings. Among such failures are the time-induced deformations or delayed failures that can cause fatal disasters if not taken care of properly. Many methodologies are offered so far to improve the FRPs' resistance to this category of time-induced deformations and delayed failures. Several researchers tried to modify the chemical formulation of polymers coming up with stiffer and less viscous matrices. Others tried to modify the adhesion of the fibers to the matrix by adding different chemically functional groups onto the fibers' surface. A third approach tried to modify the fiber to matrix adhesion and at the same time improve the viscous properties of the matrix itself. This can be achieved by growing 1D nano fillers on the fibers so that one side is bonded to the fiber and the other side embedded in the matrix enhancing the matrix with less viscous deformability. It is shown that resistance to creep deformation and stress relaxation of laminated composites improved considerably in the presence of the nano fillers such as multiwall carbon nano tubes (MWCNTs) and zinc oxide nano wires (ZnO- NWs). The constitutive behaviors of these hybrid composites were investigated further through the use of the time temperatures superposition (TTS) principle for the linear viscoelastic behavior and utilizing phenomenological models for the viscoplastic behavior.<br>Ph. D.
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Books on the topic "Carbon nano-composites"

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Jawaid, Mohammad, Akil Ahmad, Norli Ismail, and Mohd Rafatullah, eds. Environmental Remediation Through Carbon Based Nano Composites. Springer Singapore, 2021. http://dx.doi.org/10.1007/978-981-15-6699-8.

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Jawaid, Mohammad, Akil Ahmad, Norli Ismail, and Mohd Rafatullah. Environmental Remediation through Carbon Based Nano Composites. Springer, 2021.

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Ghislandi, Marcos Gomes. Nano-scaled Carbon Fillers and their Functional Polymer Composites. LAP LAMBERT Academic Publishing, 2015.

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Book chapters on the topic "Carbon nano-composites"

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Han, Baoguo, Siqi Ding, Jialiang Wang, and Jinping Ou. "Electrostatic Self-Assembled Carbon Nanotube/Nano-Carbon Black Fillers-Engineered Cementitious Composites." In Nano-Engineered Cementitious Composites. Springer Singapore, 2019. http://dx.doi.org/10.1007/978-981-13-7078-6_9.

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Han, Baoguo, Siqi Ding, Jialiang Wang, and Jinping Ou. "Carbon Nanotubes-Engineered Cementitious Composites." In Nano-Engineered Cementitious Composites. Springer Singapore, 2019. http://dx.doi.org/10.1007/978-981-13-7078-6_3.

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Marquis, Fernand D. S. "Carbon Nanotube Nano Composites for Multifunctional Applications." In Materials Science Forum. Trans Tech Publications Ltd., 2007. http://dx.doi.org/10.4028/0-87849-462-6.1397.

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Leung, A. Y. T., X. Guo, and X. Q. He. "Torsional Buckling of Single-Walled Carbon Nanotubes." In Composites with Micro- and Nano-Structure. Springer Netherlands, 2008. http://dx.doi.org/10.1007/978-1-4020-6975-8_1.

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Saxena, Reena, Amit Lochab, and Megha Saxena. "Magnetite Carbon Nanomaterials for Environmental Remediation." In Environmental Remediation Through Carbon Based Nano Composites. Springer Singapore, 2020. http://dx.doi.org/10.1007/978-981-15-6699-8_5.

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Kumar, Bhupinder, Vaneet Kumar, Saruchi, and Ashvinder Kumar Rana. "Volatile Organic Compounds Detection Using Carbon Nano Composites." In Environmental Remediation Through Carbon Based Nano Composites. Springer Singapore, 2020. http://dx.doi.org/10.1007/978-981-15-6699-8_6.

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Yaqoob, Asim Ali, Mohamad Nasir Mohamad Ibrahim, Akil Ahmad, and A. Vijaya Bhaskar Reddy. "Toxicology and Environmental Application of Carbon Nanocomposite." In Environmental Remediation Through Carbon Based Nano Composites. Springer Singapore, 2020. http://dx.doi.org/10.1007/978-981-15-6699-8_1.

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Vijaya Bhaskar Reddy, A., V. Madhavi, Akil Ahmad, and G. Madhavi. "Heavy Metals Removal Using Carbon Based Nanocomposites." In Environmental Remediation Through Carbon Based Nano Composites. Springer Singapore, 2020. http://dx.doi.org/10.1007/978-981-15-6699-8_12.

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Nille, Omkar S., Akshay S. Patil, Govind B. Kolekar, and Anil H. Gore. "Carbon-Based Composite Hydrogels for Environmental Remediation." In Environmental Remediation Through Carbon Based Nano Composites. Springer Singapore, 2020. http://dx.doi.org/10.1007/978-981-15-6699-8_20.

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Bhalla, Gunjan, Anupamdeep Sharma, Vaneet Kumar, Barjinder Bhalla, Saruchi, and Harsh Kumar. "Use of Carbon Nanomaterials as Potential Ion-Exchange." In Environmental Remediation Through Carbon Based Nano Composites. Springer Singapore, 2020. http://dx.doi.org/10.1007/978-981-15-6699-8_11.

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Conference papers on the topic "Carbon nano-composites"

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Boqizoda, D. A., A. F. Zatsepin, E. A. Buntov, A. I. Slesarev, R. A. Parulin, and D. K. Osheva. "Temperature dependence of electron emission of nano-carbon composites." In PHYSICS, TECHNOLOGIES AND INNOVATION (PTI-2019): Proceedings of the VI International Young Researchers’ Conference. AIP Publishing, 2019. http://dx.doi.org/10.1063/1.5134356.

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Suhr, Jonghwan, Lijie Ci, Jae-Soon Jang, Victor Pushparaj, and Pulickel M. Ajayan. "Continuous Carbon Nanotube-PDMS Composites." In ASME 2008 Conference on Smart Materials, Adaptive Structures and Intelligent Systems. ASMEDC, 2008. http://dx.doi.org/10.1115/smasis2008-521.

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Abstract:
Carbon nanotubes are considered short fibers and the nanotube reinforced composites are always analogues of randomly distributed short fiber composites. In contrast, the real structural fibrous composites often contain fiber reinforcements where fibers run continuously through the matrix material. With the recent advance in nanotube growth, vertical arrays of nanotubes in macroscopic lengths have become available and this allows the fabrication of continuous nano-composites that are similar to the continuous fiber composites utilizing the nanotube arrays as the continuous reinforcement in the composites. This provides a chance to take full advantage of the extreme high modulus and strength for the nanotubes in structural composites. Here, this study fabricates continuous nanotube reinforced polydimethylsiloxane (PDMS) composites and shows that under compressive loadings such continuous nanotube composites can generate dramatic increase in the longitudinal modulus and also significantly enhanced damping capability.
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Ramadan, Manal Amin. "Effect of Nano Carbon tubes - Nano Aluminum oxide particles on electrical conductivity of Copper matrix and Nano Aluminum oxide Nano carbon tubes composites." In 2014 15th International Workshop on Research and Education in Mechatronics (REM). IEEE, 2014. http://dx.doi.org/10.1109/rem.2014.6920222.

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Vas, Joseph Vimal, and M. Joy Thomas. "Electromagnetic shielding properties of nano carbon filled silicone rubber composites." In 2015 IEEE International Symposium on Electromagnetic Compatibility - EMC 2015. IEEE, 2015. http://dx.doi.org/10.1109/isemc.2015.7256311.

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Tripathi, Krishna Chandra, S. M. Abbas, R. B. Sharma, and P. S. Alegaonkar. "Microwave absorbing properties of MWCNT/carbon black-PU nano-composites." In 2017 IEEE International Conference on Power, Control, Signals and Instrumentation Engineering (ICPCSI). IEEE, 2017. http://dx.doi.org/10.1109/icpcsi.2017.8392344.

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Rajmohan, T., G. Vignesh, K. Palanikumar, and G. Harish. "Synthesis and characterization of nano filled carbon fiber reinforced composites." In 2013 International Conference on Advanced Nanomaterials and Emerging Engineering Technologies (ICANMEET). IEEE, 2013. http://dx.doi.org/10.1109/icanmeet.2013.6609281.

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KOO, BONSUNG, JAKE SCHICHTEL, KARTHIK RAJAN VENKATESAN, and ADITI CHATTOPADHYAY. "Computational Analysis of Thermal Degradation of Carbon Nanotube Reinforced Nano-Engineered Composites." In American Society for Composites 2019. DEStech Publications, Inc., 2019. http://dx.doi.org/10.12783/asc34/31348.

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Pastore, R., D. Micheli, A. Vricella, and M. Marchetti. "Carbon micro- and nano-structured multilayer composites for microwave metrological design." In 2016 IEEE Metrology for Aerospace (MetroAeroSpace). IEEE, 2016. http://dx.doi.org/10.1109/metroaerospace.2016.7573192.

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Manmohan C.T., R. U. Nair, and Hema Singh. "Radar absorbing structures using carbon nano-composites: EM design and performance analysis." In 2016 Asia-Pacific Microwave Conference (APMC). IEEE, 2016. http://dx.doi.org/10.1109/apmc.2016.7931404.

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Kumar, Tanikonda Nishanth, Lekshmi Mohan, and Sunitha Karakkad. "Carbon nanofiber based epoxy nano composites-an innovative material for electromagnetic shielding." In INTERNATIONAL CONFERENCE ON TRENDS IN MATERIAL SCIENCE AND INVENTIVE MATERIALS: ICTMIM 2019. Author(s), 2019. http://dx.doi.org/10.1063/1.5100714.

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Reports on the topic "Carbon nano-composites"

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Seferis, James C. Structural Foaming at the Nano-, Micro-, and Macro-Scales of Continuous Carbon Fiber Reinforced Polymer Matrix Composites. Defense Technical Information Center, 2012. http://dx.doi.org/10.21236/ada581879.

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Subhash, Ghatu, Kuang-Hsi Wu, and James Tulenko. Development of an Innovative High-Thermal Conductivity UO2 Ceramic Composites Fuel Pellets with Carbon Nano-Tubes Using Spark Plasma Sintering. Office of Scientific and Technical Information (OSTI), 2014. http://dx.doi.org/10.2172/1128531.

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Lissenden, Cliff, Tasnim Hassan, and Vijaya Rangari. Development of a Innovative High Thermal Conductivity UO2 Ceramic Composites Fuel Pellets with Carbon Nano-Tubes Using Spark Plasma Sintering. Office of Scientific and Technical Information (OSTI), 2015. http://dx.doi.org/10.2172/1183653.

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