تصفح Academic حسب الموضوع "Carbon nanotubes"
السجلات المعروضة 21 -- 36 من 36
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Hybrid effect of carbon nanotubes and polypropylene microfibers on fire resistance, thermal characteristics and microstructure of cementitious composites
( Elsevier , 2020 , Article)The current study experimentally investigates the hybrid effect of carbon nanotubes (CNTs) and polypropylene (PP) microfibers on fire resistance and thermal characteristics of cementitious composites. Cement mortar with ... -
In situ electron microscopy of Braille microsystems: Photoactuation of ethylene vinyl acetate/carbon nanotube composites
( Institute of Physics Publishing , 2015 , Article)The development of new types of tactile displays based on the actuation of composite materials can aid the visually impaired. Micro/nano systems based on ethylene vinyl acetate (EVA) polymeric matrices enriched with ... -
Influence of carbon nanotubes on phase composition, thermal and post-heating behavior of cementitious composites
( Multidisciplinary Digital Publishing Institute (MDPI) , 2021 , Article)This paper experimentally investigates the influence of carbon nanotubes (CNTs) on phase composition, microstructure deterioration, thermal behavior, and residual mechanical strengths of cementitious composites exposed to ... -
Nanocomposite photoactuators based on an ethylene vinyl acetate copolymer filled with carbon nanotubes
(2013 , Article)This paper reports strong, reversible actuation of nanocomposites on the base of ethylene vinyl acetate (EVA) filled with multiwalled (MWCNTs) and singlewalled carbon nanotubes (SWCNTs). The carbon nanotubes (CNTs) dispersion ... -
Nematic opto-mechanical actuators for the fabrication of refreshable tactile systems
(2013 , Conference Paper)Nematic elastomers are promising materials for the fabrication of actuators due to their ability to reversibly contract and expand during phase transitions triggered by external stimuli. We present a refreshable tactile ... -
Nonlinear free and forced vibrations of graphene nanoplatelet reinforced microbeams with geometrical imperfection
( Springer Verlag , 2019 , Article)Nonlinear free/forced vibration of a functionally graded graphene nanoplatelet (GNP) reinforced microbeam having geometrical imperfection which is rested on a non-linear elastic substrate have been studied in the present ... -
Novel aluminum oxide-impregnated carbon nanotube membrane for the removal of cadmium from aqueous solution
( MDPI AG , 2017 , Article)An aluminum oxide-impregnated carbon nanotube (CNT-Al2O3) membrane was developed via a novel approach and used in the removal of toxic metal cadmium ions, Cd(II). The membrane did not require any binder to hold the carbon ... -
Optimum Dispersion Parameters of Carbon Nanotubes: Concrete Strength by Response Surface Methodologies
( Qatar Univesrity Press , 2020 , Conference Paper)"This paper implements Response Surface Methodologies (RSM) techniques to illustrate the maximum carbon nanotubes (CNTs)-concrete mechanical properties responses to the length, weight fraction and treatment variables. ... -
Repair of Heat-Damaged RC Beams Using Micro-concrete Modified with Carbon Nanotubes
( Korean Society of Civil Engineers , 2021 , Article)This paper investigates the use of micro-concrete modified with carbon nanotubes (CNTs) for the repair of heat-damaged reinforced concrete (RC) beams. Ten RC beams were cast and then subjected to elevated temperature of ... -
Semi-transparent thermo-electric cells based on bismuth telluride and its composites with CNTs and graphene
( National Institute of Optoelectronics , 2019 , Article)In this paper, semi-transparent thin film thermo-electric cells based on the composite of bismuth telluride (Bi2Te3, p-type and n-type) with graphene and carbon nanotubes (CNTs) have been reported. The voltage, current and ... -
Strength optimisation of mortar with CNTs and nanoclays
( Thomas Telford Services Ltd , 2016 , Article)This study explores the use of carbon nanotubes (CNTs) and nanoclays in cement mortars. The paper presents modelling and optimisation of the compressive and flexural strengths of cement mortars containing CNTs and the ... -
Surfactant-templating strategy for ultrathin mesoporous TiO2 coating on flexible graphitized carbon supports for high-performance lithium-ion battery
( Elsevier Ltd , 2016 , Article)The electrochemical performance of nanocomposites could greatly be improved by rationally designing flexible core-shell heterostructures. Typically, the uniform coating of a thin mesoporous crystalline transition metal ... -
Synthesis and characterization of Cu/ZnO catalyst on carbon nanotubes and Al2O3 supports
( Trans Tech Publications Ltd , 2018 , Conference Paper)CO2 conversion into valuable chemicals is an attractive option to deal with the increasing CO2 concentration in the atmosphere. In this study, Cu/ZnO catalyst was synthesized on multi-walled carbon nanotubes (MWCNTs) and ... -
Thermo-mechanical buckling analysis of FG-GNPs reinforced composites sandwich microplates using a trigonometric four-variable shear deformation theory
( Elsevier , 2021 , Article)The current study is aimed to investigate the thermo-mechanical buckling responses of the sandwich microplate with Graphene nanoplatelets (GNPs)-reinforced Epoxy core fully bonded to single-walled carbon nanotubes ... -
Ultra-Low Energy CNFET-Based Ternary Combinational Circuits Designs
( Institute of Electrical and Electronics Engineers Inc. , 2021 , Article)The embedded systems, IoT (Internet of Things) devices, and portable electronic devices spread very quickly recently. Most of them depend on batteries to operate. The target of this work is to decrease energy consumption ... -
Universal power law behavior of the AC conductivity versus frequency of agglomerate morphologies in conductive carbon nanotube-reinforced epoxy networks
( John Wiley and Sons Inc. , 2016 , Article)The Jonscher universal power law for ac conductivity versus frequency (f = /2) in the dispersion region was tested for a multiwall carbon nanotube/epoxy nanocomposite. The effect of changes in agglomerate morphology on the ...