Quasi-Static Indentation Testing of Nature-Inspired Multiangle Carbon Fibre Reinforced Polymer (CFRP) Composites

Lateef Afolabi  Fashola; Daerefa-a Mitsheal  Amafabia; Opukuro David-West

doi:10.47001/IRJIET/2025.905010

Quasi-Static Indentation Testing of Nature-Inspired Multiangle Carbon Fibre Reinforced Polymer (CFRP) Composites

Lateef Afolabi Fashola
, Daerefa-a Mitsheal Amafabia
, Opukuro David-West

Research output: Contribution to journal › Article › peer-review

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Abstract

This study investigates the quasi-static indentation response of four bio-inspired CFRP laminates with distinct stacking sequences: [0/±40/55]s, [±30/±40]s, [0/55/-35/75]s, [0/65/80/75]s, and a conventional laminate [0/±45/90]s. Inspired by helicoidal arrangements in shrimp, maple leaf, avocado pear, salmon fish, and conventional fibre architectures, these laminates were tested under quasi-static indentation to evaluate damage resistance, energy absorption, and failure modes. Results revealed that the [±30/±40]s and [0/65/80/75]s configurations exhibited the highest energy absorption (29.8 J) and (26.3 J) respectively, outperforming the quasi-isotropic [0/±45/90]s baseline. This work highlights the potential of nature-derived stacking sequences for enhancing CFRP impact tolerance in aerospace and marine applications.

Original language	English
Pages (from-to)	75-80
Number of pages	6
Journal	International Research Journal of Innovations in Engineering and Technology (IRJIET)
Volume	9
Issue number	5
Early online date	30 May 2025
DOIs	https://doi.org/10.47001/IRJIET/2025.905010
Publication status	E-pub ahead of print - 30 May 2025

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title = "Quasi-Static Indentation Testing of Nature-Inspired Multiangle Carbon Fibre Reinforced Polymer (CFRP) Composites",

abstract = "This study investigates the quasi-static indentation response of four bio-inspired CFRP laminates with distinct stacking sequences: [0/±40/55]s, [±30/±40]s, [0/55/-35/75]s, [0/65/80/75]s, and a conventional laminate [0/±45/90]s. Inspired by helicoidal arrangements in shrimp, maple leaf, avocado pear, salmon fish, and conventional fibre architectures, these laminates were tested under quasi-static indentation to evaluate damage resistance, energy absorption, and failure modes. Results revealed that the [±30/±40]s and [0/65/80/75]s configurations exhibited the highest energy absorption (29.8 J) and (26.3 J) respectively, outperforming the quasi-isotropic [0/±45/90]s baseline. This work highlights the potential of nature-derived stacking sequences for enhancing CFRP impact tolerance in aerospace and marine applications.",

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doi = "10.47001/IRJIET/2025.905010",

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Quasi-Static Indentation Testing of Nature-Inspired Multiangle Carbon Fibre Reinforced Polymer (CFRP) Composites. / Fashola, Lateef Afolabi ; Amafabia, Daerefa-a Mitsheal ; David-West, Opukuro.
In: International Research Journal of Innovations in Engineering and Technology (IRJIET), Vol. 9, No. 5, 30.05.2025, p. 75-80.

Research output: Contribution to journal › Article › peer-review

TY - JOUR

T1 - Quasi-Static Indentation Testing of Nature-Inspired Multiangle Carbon Fibre Reinforced Polymer (CFRP) Composites

AU - Fashola, Lateef Afolabi

AU - Amafabia, Daerefa-a Mitsheal

AU - David-West, Opukuro

PY - 2025/5/30

Y1 - 2025/5/30

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AB - This study investigates the quasi-static indentation response of four bio-inspired CFRP laminates with distinct stacking sequences: [0/±40/55]s, [±30/±40]s, [0/55/-35/75]s, [0/65/80/75]s, and a conventional laminate [0/±45/90]s. Inspired by helicoidal arrangements in shrimp, maple leaf, avocado pear, salmon fish, and conventional fibre architectures, these laminates were tested under quasi-static indentation to evaluate damage resistance, energy absorption, and failure modes. Results revealed that the [±30/±40]s and [0/65/80/75]s configurations exhibited the highest energy absorption (29.8 J) and (26.3 J) respectively, outperforming the quasi-isotropic [0/±45/90]s baseline. This work highlights the potential of nature-derived stacking sequences for enhancing CFRP impact tolerance in aerospace and marine applications.

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Quasi-Static Indentation Testing of Nature-Inspired Multiangle Carbon Fibre Reinforced Polymer (CFRP) Composites

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