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Impact-dynamic properties of aromatic hyperbranched polyester/RTM6 epoxy nanocomposites

Ahmed Elmahdy, Navid Ghavanini (UGent) , Aldobenedetto Zotti, Mauro Zarrelli, Anna Borriello and Patricia Verleysen (UGent)
(2023) MATERIALS LETTERS. 353.
Author
Organization
Project
  • EXTREME (EXTREME Dynamic Loading - Pushing the Boundaries of Aerospace Composite Material Structures)
Abstract
Present study investigates the influence of aromatic hyperbranched polyester (AHBP) nanofillers on the impact-dynamic properties of RTM6 epoxy. The strain rate dependence of the energy absorption capacity of neat RTM6 epoxy and RTM6 nanocomposites with filler weight ratios of 0.1%, 1%, and 5% was determined through compression testing. Additionally, static and dynamic tensile tests were performed on these materials. Universal testing machines were used for the quasi-static tests, split Hopkinson bar setups for the high-strain rate experiments. Furthermore, dynamic single-edge notch bending (SENB) tests were conducted to measure fracture toughness using an adapted split Hopkinson compression bar setup. In addition to global deformation measurements, full-field deformation measurements were also performed in all experiments using the digital image correlation (DIC) technique. The results indicate that the energy absorption capacity, tensile strength, fracture strain, and toughness are significantly influenced by both strain rate and filler content of the RTM6 epoxy.
Keywords
Nanocomposites, RTM6 epoxy, Digital image correlation, Impact-dynamic behavior, Energy absorption, Toughness, STRAIN-RATE, RESIN, COMPRESSION

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Citation

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MLA
Elmahdy, Ahmed, et al. “Impact-Dynamic Properties of Aromatic Hyperbranched Polyester/RTM6 Epoxy Nanocomposites.” MATERIALS LETTERS, vol. 353, 2023, doi:10.1016/j.matlet.2023.135285.
APA
Elmahdy, A., Ghavanini, N., Zotti, A., Zarrelli, M., Borriello, A., & Verleysen, P. (2023). Impact-dynamic properties of aromatic hyperbranched polyester/RTM6 epoxy nanocomposites. MATERIALS LETTERS, 353. https://doi.org/10.1016/j.matlet.2023.135285
Chicago author-date
Elmahdy, Ahmed, Navid Ghavanini, Aldobenedetto Zotti, Mauro Zarrelli, Anna Borriello, and Patricia Verleysen. 2023. “Impact-Dynamic Properties of Aromatic Hyperbranched Polyester/RTM6 Epoxy Nanocomposites.” MATERIALS LETTERS 353. https://doi.org/10.1016/j.matlet.2023.135285.
Chicago author-date (all authors)
Elmahdy, Ahmed, Navid Ghavanini, Aldobenedetto Zotti, Mauro Zarrelli, Anna Borriello, and Patricia Verleysen. 2023. “Impact-Dynamic Properties of Aromatic Hyperbranched Polyester/RTM6 Epoxy Nanocomposites.” MATERIALS LETTERS 353. doi:10.1016/j.matlet.2023.135285.
Vancouver
1.
Elmahdy A, Ghavanini N, Zotti A, Zarrelli M, Borriello A, Verleysen P. Impact-dynamic properties of aromatic hyperbranched polyester/RTM6 epoxy nanocomposites. MATERIALS LETTERS. 2023;353.
IEEE
[1]
A. Elmahdy, N. Ghavanini, A. Zotti, M. Zarrelli, A. Borriello, and P. Verleysen, “Impact-dynamic properties of aromatic hyperbranched polyester/RTM6 epoxy nanocomposites,” MATERIALS LETTERS, vol. 353, 2023.
@article{01HBDW3YCX8MFZ2SXETTKJP2YY,
  abstract     = {{Present study investigates the influence of aromatic hyperbranched polyester (AHBP) nanofillers on the impact-dynamic properties of RTM6 epoxy. The strain rate dependence of the energy absorption capacity of neat RTM6 epoxy and RTM6 nanocomposites with filler weight ratios of 0.1%, 1%, and 5% was determined through compression testing. Additionally, static and dynamic tensile tests were performed on these materials. Universal testing machines were used for the quasi-static tests, split Hopkinson bar setups for the high-strain rate experiments. Furthermore, dynamic single-edge notch bending (SENB) tests were conducted to measure fracture toughness using an adapted split Hopkinson compression bar setup. In addition to global deformation measurements, full-field deformation measurements were also performed in all experiments using the digital image correlation (DIC) technique. The results indicate that the energy absorption capacity, tensile strength, fracture strain, and toughness are significantly influenced by both strain rate and filler content of the RTM6 epoxy.}},
  articleno    = {{135285}},
  author       = {{Elmahdy, Ahmed and Ghavanini, Navid and Zotti, Aldobenedetto and Zarrelli, Mauro and Borriello, Anna and Verleysen, Patricia}},
  issn         = {{0167-577X}},
  journal      = {{MATERIALS LETTERS}},
  keywords     = {{Nanocomposites,RTM6 epoxy,Digital image correlation,Impact-dynamic behavior,Energy absorption,Toughness,STRAIN-RATE,RESIN,COMPRESSION}},
  language     = {{eng}},
  pages        = {{4}},
  title        = {{Impact-dynamic properties of aromatic hyperbranched polyester/RTM6 epoxy nanocomposites}},
  url          = {{http://doi.org/10.1016/j.matlet.2023.135285}},
  volume       = {{353}},
  year         = {{2023}},
}
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