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Buckling of hybrid nanocomposites with embedded graphene and carbon nanotubes

Y. Chandra, E. I. Saavedra Flores, F. Scarpa, S. Adhikari, Sondipon Adhikari

Physica E: Low-dimensional Systems and Nanostructures, Volume: 83, Pages: 434 - 441

Swansea University Author: Sondipon Adhikari

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DOI (Published version): 10.1016/j.physe.2016.01.021

Abstract

With the aid of atomistic multiscale modelling and analytical approaches, buckling strength has been determined for carbon nanofibres/epoxy composite systems. Various nanofibres configurations considered are single walled carbon nano tube (SWCNT) and single layer graphene sheet (SLGS) and SLGS/SWCNT...

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Published in: Physica E: Low-dimensional Systems and Nanostructures
ISSN: 1386-9477
Published: 2016
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URI: https://cronfa.swan.ac.uk/Record/cronfa32191
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spelling 2017-03-02T10:11:13.4287949 v2 32191 2017-03-01 Buckling of hybrid nanocomposites with embedded graphene and carbon nanotubes 4ea84d67c4e414f5ccbd7593a40f04d3 Sondipon Adhikari Sondipon Adhikari true false 2017-03-01 FGSEN With the aid of atomistic multiscale modelling and analytical approaches, buckling strength has been determined for carbon nanofibres/epoxy composite systems. Various nanofibres configurations considered are single walled carbon nano tube (SWCNT) and single layer graphene sheet (SLGS) and SLGS/SWCNT hybrid systems. Computationally, both eigen-value and non-linear large deformation-based methods have been employed to calculate the buckling strength. The non-linear computational model generated here takes into account of complex features such as debonding between polymer and filler (delamination under compression), nonlinearity in the polymer, strain-based damage criteria for the matrix, contact between fillers and interlocking of distorted filler surfaces with polymer. The effect of bridging nanofibres with an interlinking compound on the buckling strength of nano-composites has also been presented here. Computed enhancement in buckling strength of the polymer system due to nano reinforcement is found to be in the range of experimental and molecular dynamics based results available in open literature. The findings of this work indicate that carbon based nanofillers enhance the buckling strength of host polymers through various local failure mechanisms. Journal Article Physica E: Low-dimensional Systems and Nanostructures 83 434 441 1386-9477 Graphene sheets; Carbon nano tubes (CNT); Hybrid nano-composites; Atomistic model; Graphene; CNT-based composites 30 9 2016 2016-09-30 10.1016/j.physe.2016.01.021 http://gateway.webofknowledge.com/gateway/Gateway.cgi?GWVersion=2&amp;SrcAuth=ORCID&amp;SrcApp=OrcidOrg&amp;DestLinkType=FullRecord&amp;DestApp=WOS_CPL&amp;KeyUT=WOS:000380221400060&amp;KeyUID=WOS:000380221400060 COLLEGE NANME Science and Engineering - Faculty COLLEGE CODE FGSEN Swansea University 2017-03-02T10:11:13.4287949 2017-03-01T11:12:54.9088480 Faculty of Science and Engineering School of Engineering and Applied Sciences - Uncategorised Y. Chandra 1 E. I. Saavedra Flores 2 F. Scarpa 3 S. Adhikari 4 Sondipon Adhikari 5
title Buckling of hybrid nanocomposites with embedded graphene and carbon nanotubes
spellingShingle Buckling of hybrid nanocomposites with embedded graphene and carbon nanotubes
Sondipon Adhikari
title_short Buckling of hybrid nanocomposites with embedded graphene and carbon nanotubes
title_full Buckling of hybrid nanocomposites with embedded graphene and carbon nanotubes
title_fullStr Buckling of hybrid nanocomposites with embedded graphene and carbon nanotubes
title_full_unstemmed Buckling of hybrid nanocomposites with embedded graphene and carbon nanotubes
title_sort Buckling of hybrid nanocomposites with embedded graphene and carbon nanotubes
author_id_str_mv 4ea84d67c4e414f5ccbd7593a40f04d3
author_id_fullname_str_mv 4ea84d67c4e414f5ccbd7593a40f04d3_***_Sondipon Adhikari
author Sondipon Adhikari
author2 Y. Chandra
E. I. Saavedra Flores
F. Scarpa
S. Adhikari
Sondipon Adhikari
format Journal article
container_title Physica E: Low-dimensional Systems and Nanostructures
container_volume 83
container_start_page 434
publishDate 2016
institution Swansea University
issn 1386-9477
doi_str_mv 10.1016/j.physe.2016.01.021
college_str Faculty of Science and Engineering
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hierarchy_top_id facultyofscienceandengineering
hierarchy_top_title Faculty of Science and Engineering
hierarchy_parent_id facultyofscienceandengineering
hierarchy_parent_title Faculty of Science and Engineering
department_str School of Engineering and Applied Sciences - Uncategorised{{{_:::_}}}Faculty of Science and Engineering{{{_:::_}}}School of Engineering and Applied Sciences - Uncategorised
url http://gateway.webofknowledge.com/gateway/Gateway.cgi?GWVersion=2&amp;SrcAuth=ORCID&amp;SrcApp=OrcidOrg&amp;DestLinkType=FullRecord&amp;DestApp=WOS_CPL&amp;KeyUT=WOS:000380221400060&amp;KeyUID=WOS:000380221400060
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description With the aid of atomistic multiscale modelling and analytical approaches, buckling strength has been determined for carbon nanofibres/epoxy composite systems. Various nanofibres configurations considered are single walled carbon nano tube (SWCNT) and single layer graphene sheet (SLGS) and SLGS/SWCNT hybrid systems. Computationally, both eigen-value and non-linear large deformation-based methods have been employed to calculate the buckling strength. The non-linear computational model generated here takes into account of complex features such as debonding between polymer and filler (delamination under compression), nonlinearity in the polymer, strain-based damage criteria for the matrix, contact between fillers and interlocking of distorted filler surfaces with polymer. The effect of bridging nanofibres with an interlinking compound on the buckling strength of nano-composites has also been presented here. Computed enhancement in buckling strength of the polymer system due to nano reinforcement is found to be in the range of experimental and molecular dynamics based results available in open literature. The findings of this work indicate that carbon based nanofillers enhance the buckling strength of host polymers through various local failure mechanisms.
published_date 2016-09-30T03:39:25Z
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score 11.01353

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