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The effect of braid angle on the flexural performance of structural braided thermoplastic composite beams
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Singh, Anubhav, Reynolds, Neil, Keating, Elspeth, Barnett, Alastair E., Barbour, Steve K. and Hughes, Darren J. (2021) The effect of braid angle on the flexural performance of structural braided thermoplastic composite beams. Composite Structures, 261 . 113314. doi:10.1016/j.compstruct.2020.113314 ISSN 0263-8223.
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Official URL: https://doi.org/10.1016/j.compstruct.2020.113314
Abstract
Thermoplastic braided composite tubular beams were manufactured using commingled hybrid yarn with braid angles 30°, 45° and 60° and tested in static three-point flexure. Two principal deformation modes were observed during the flexural loading: global flexure and localised crush. The extent of each mode occurring in the three braid angle variants was measured using a linear deflectometer as well as 3D digital image correlation. Localised crushing was found to decrease significantly with increasing braided angle, accounting for 63%, 45% and 19% of the total applied deflection for the 30°, 45° and 60° beams respectively. Further, surface strain measurements obtained from 3D DIC showed increasing the braid angle led to a global flexure-dominated deformation. In addition, the stiffness and peak load increased with increasing braid angle. The observed differences in deformation modes were due to a combination of multiple braid angle-dependent properties of braided composites such as modulus, thickness etc.
Item Type: | Journal Article | ||||||||
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Subjects: | T Technology > TA Engineering (General). Civil engineering (General) | ||||||||
Divisions: | Faculty of Science, Engineering and Medicine > Engineering > WMG (Formerly the Warwick Manufacturing Group) | ||||||||
SWORD Depositor: | Library Publications Router | ||||||||
Library of Congress Subject Headings (LCSH): | Composite construction, Composite construction -- Computer-aided design, Braided structures, Thermoplastic composites | ||||||||
Journal or Publication Title: | Composite Structures | ||||||||
Publisher: | Elsevier | ||||||||
ISSN: | 0263-8223 | ||||||||
Official Date: | 1 April 2021 | ||||||||
Dates: |
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Volume: | 261 | ||||||||
Article Number: | 113314 | ||||||||
DOI: | 10.1016/j.compstruct.2020.113314 | ||||||||
Status: | Peer Reviewed | ||||||||
Publication Status: | Published | ||||||||
Access rights to Published version: | Restricted or Subscription Access | ||||||||
Date of first compliant deposit: | 24 November 2020 | ||||||||
Date of first compliant Open Access: | 16 November 2021 | ||||||||
RIOXX Funder/Project Grant: |
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