International Research Journal of Innovations in Engineering and Technology - IRJIET International Open Access, Monthly, Peer Reviewed, Reputed Journal ISSN (online): 2581-3048

Impact Factor (2025): 6.9

DOI Prefix: 10.47001/IRJIET

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

Lateef Afolabi FasholaSchool of Physics, Engineering and Computer Science, University of Hertfordshire, United KingdomDaerefa-a Mitsheal AmafabiaRivers State University, Faculty of Engineering, Department of Mechanical Engineering, Nkpolu-Oroworukwo, Port Harcourt, NigeriaOpukuro David-WestSchool of Physics, Engineering and Computer Science, University of Hertfordshire, United Kingdom

Vol 9 No 5 (2025): Volume 9, Issue 5, May 2025 | Pages: 75-80

International Research Journal of Innovations in Engineering and Technology

OPEN ACCESS | Research Article | Published Date: 19-05-2025

doi Logo doi.org/10.47001/IRJIET/2025.905010

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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.

Keywords

Composite laminates, Tolerance, Quasi-static indentation, Nature-inspired multiangle, Stacking Sequence, Delamination, Matrix Cracking, Energy, Failure, Impact Testing


Citation of this Article

Lateef Afolabi Fashola, Daerefa-a Mitsheal Amafabia, & Opukuro David-West. (2025). Quasi-Static Indentation Testing of Nature-Inspired Multiangle Carbon Fibre Reinforced Polymer (CFRP) Composites. International Research Journal of Innovations in Engineering and Technology - IRJIET, 9(5), 75-80. Article DOI https://doi.org/10.47001/IRJIET/2025.905010

Licence Copyright (c) 2026 International Research Journal of Innovations in Engineering and Technology creative common licence This work is licensed under Creative common Attribution Non Commercial 4.0 Internation Licence
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