Continuous carbon nanotube synthesis on charged carbon fibers

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Title: Continuous carbon nanotube synthesis on charged carbon fibers
Authors: Anthony, DB
Sui, X
Kellersztein, I
De Luca, H
White, E
Wagner, HD
Greenhalgh, E
Bismarck, A
Shaffer, M
Item Type: Journal Article
Abstract: Carbon nanotube grafted carbon fibers (CNT-g-CFs) were prepared continuously, spool to spool, via thermal CVD. The application of an in-situ potential difference (300 V), between the fibers and a cylindrical graphite foil counter electrode, enhanced the growth, producing a uniform coverage of carbon nanotubes with diameter ca. 10 nm and length ca. 125 nm. Single fiber tensile tests show that this approach avoids the significant reduction of the underlying carbon fiber strengths, which is usually associated with CVD grafting processes. Single fiber fragmentation tests in epoxy, with in-situ video fragment detection, demonstrated that the CNT-g-CFs have the highest interfacial shear strength reported for such systems (101 ± 5 MPa), comparable to state–of–the–art sizing controls (103 ± 8 MPa). Single fiber pull-out data show similar trends. The short length of the grafted CNTs is particularly attractive for retaining the volume fraction of the primary fibers in composite applications. The results are compared with a short review of the interfacial data available for related systems.
Issue Date: Sep-2018
Date of Acceptance: 26-May-2018
URI: http://hdl.handle.net/10044/1/60365
DOI: https://doi.org/10.1016/j.compositesa.2018.05.027
ISSN: 1359-835X
Publisher: Elsevier
Start Page: 525
End Page: 538
Journal / Book Title: Composites Part A: Applied Science and Manufacturing
Volume: 112
Copyright Statement: © 2018 The Authors. Published by Elsevier Ltd. Accepted manuscript available open access under a CC-BY licence 4.0 (https://creativecommons.org/licenses/by/4.0/)
Sponsor/Funder: Engineering & Physical Science Research Council (E
Engineering & Physical Science Research Council (EPSRC)
Engineering & Physical Science Research Council (E
Funder's Grant Number: AERO/RB1527
N/A
EP/K503733/1
Keywords: Science & Technology
Technology
Engineering, Manufacturing
Materials Science, Composites
Engineering
Materials Science
Carbon nanotubes and nanofibers
Carbon fibers
Fiber/matrix bond
Chemical vapor deposition
GROWN IN-SITU
PULL-OUT TEST
HIERARCHICAL COMPOSITES
MECHANICAL-PROPERTIES
POLYMER COMPOSITES
CATALYTIC GROWTH
ELECTRICAL-CONDUCTIVITY
FRACTURE-BEHAVIOR
HYBRID COMPOSITES
EPOXY COMPOSITE
0912 Materials Engineering
0913 Mechanical Engineering
0901 Aerospace Engineering
Materials
Publication Status: Published
Online Publication Date: 2018-05-28
Appears in Collections:Faculty of Engineering
Materials
Chemistry
Aeronautics
Chemical Engineering
Faculty of Natural Sciences



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