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Three-point flexural performance of tailor-braided thermoplastic composite beam structures
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Singh, Anubhav, Reynolds, Neil, Keating, Elspeth, Barnett, Alastair E, Barbour, Steve K and Hughes, Darren J. (2021) Three-point flexural performance of tailor-braided thermoplastic composite beam structures. Composite Structures, 260 . 113521. doi:10.1016/j.compstruct.2020.113521
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WRAP-three-point-flexural-performance-tailor-braided-thermoplastic-composite-beam-structures-Singh-2020.pdf - Accepted Version - Requires a PDF viewer. Available under License Creative Commons Attribution Non-commercial No Derivatives 4.0. Download (15Mb) | Preview |
Official URL: http://dx.doi.org/10.1016/j.compstruct.2020.113521
Abstract
This work investigates the potential of improving the mechanical performance of braided composite beams through the introduction of local braid angle variations. Tubular braided beams with a 45°/60°/45° length-wise (axial) braid angle variation were manufactured and tested in quasi-static three-point flexure and their performance was compared with beams having a layer-wise (radial) [±60°/±45°/±45°] variation. Compared to beams having uniform braid angles, axial braid angle tailoring resulted in equivalent flexural performance with a 24% reduction in part weight. In contrast, tailoring in the radial direction did not yield any improvement in mass-specific performance. Deformation analysis of the beams using an extensometer and digital image correlation showed that an axial braid angle variation in each layer resulted in a comprehensive shift in deformation characteristics. Changing the braid angle in the outer layer across the whole beam showed partial change in deformation mode, but did not match the modification observed through axial variation.
| Item Type: | Journal Article | ||||||||
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| Subjects: | T Technology > TA Engineering (General). Civil engineering (General) T Technology > TS Manufactures |
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| Divisions: | Faculty of Science > WMG (Formerly the Warwick Manufacturing Group) | ||||||||
| Library of Congress Subject Headings (LCSH): | Braid, Braided structures, Flexure, Composite materials | ||||||||
| Journal or Publication Title: | Composite Structures | ||||||||
| Publisher: | Elsevier Ltd | ||||||||
| ISSN: | 0263-8223 | ||||||||
| Official Date: | 15 March 2021 | ||||||||
| Dates: |
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| Volume: | 260 | ||||||||
| Article Number: | 113521 | ||||||||
| DOI: | 10.1016/j.compstruct.2020.113521 | ||||||||
| Status: | Peer Reviewed | ||||||||
| Publication Status: | Published | ||||||||
| Access rights to Published version: | Restricted or Subscription Access |
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