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A nanostructured cellulose-based interphase layer to enhance the mechanical performance of glass fibre-reinforced polymer composites
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Kumar, Sandeep, Graninger, Georg, Hawkins, Stephen C. and Falzon, Brian G. (2021) A nanostructured cellulose-based interphase layer to enhance the mechanical performance of glass fibre-reinforced polymer composites. Composites Part A: Applied Science and Manufacturing, 148 . 106475. doi:10.1016/j.compositesa.2021.106475 ISSN 1359-835X.
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Official URL: http://dx.doi.org/10.1016/j.compositesa.2021.10647...
Abstract
In this study, we report the effect of sizing glass fibres (GFs) with tetramethylpiperidine-1-oxyl (TEMPO)-mediated cellulose nanocrystals (t-CNC) to improve the interfacial mechanical performance of glass fibre reinforced polymer composites (GFRP). These nanoparticles are introduced at different concentrations to yield a coating of t-CNCs which are (1) sparsely deposited at low concentrations, and (2) uniformly self-assembled over the glass fibre at a higher concentration. The mechanical, morphological and interphase results show that self-assembled CNC coating around a fibre provides better strengthening than sparsely deposited CNCs. Experimental results confirmed that GFs coated with self-assembled t-CNCs yielded a ~30% increase in the interlaminar shear strength (ILSS), 43% increase in flexural strength and 40% increase in flexural modulus of the GFRP composite. Strong nanoscale interactions between the t-CNC and GF, coupled with the formation of a high modulus gradient interphase layer, contributed to the significant improvement in the mechanical performance of t-CNC/GFRP composites.
Item Type: | Journal Article | ||||||||
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Divisions: | Faculty of Science, Engineering and Medicine > Engineering > WMG (Formerly the Warwick Manufacturing Group) | ||||||||
Journal or Publication Title: | Composites Part A: Applied Science and Manufacturing | ||||||||
Publisher: | Elsevier | ||||||||
ISSN: | 1359-835X | ||||||||
Official Date: | September 2021 | ||||||||
Dates: |
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Volume: | 148 | ||||||||
Article Number: | 106475 | ||||||||
DOI: | 10.1016/j.compositesa.2021.106475 | ||||||||
Status: | Peer Reviewed | ||||||||
Publication Status: | Published | ||||||||
Access rights to Published version: | Restricted or Subscription Access | ||||||||
Date of first compliant deposit: | 23 July 2021 | ||||||||
Date of first compliant Open Access: | 24 May 2022 | ||||||||
RIOXX Funder/Project Grant: |
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