Low Velocity Impact Behaviour of Corrugated Foam Sandwich Panel

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nThis is an unedited manuscript accepted for publication and provided as an Article in Press for early access at the author’s request. The article will undergo copyediting, typesetting, and galley proof review before final publication. Please be aware that errors may be identified during production that could affect the content. All legal disclaimers of the journal apply.n

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Year : 2025 [if 2224 equals=””]07/10/2025 at 11:11 AM[/if 2224] | [if 1553 equals=””] Volume : 13 [else] Volume : [/if 1553] | [if 424 equals=”Regular Issue”]Issue : [/if 424][if 424 equals=”Special Issue”]Special Issue[/if 424] [if 424 equals=”Conference”][/if 424] 06 | Page :

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    Dhanushree S, Santhosh Kumar R C, Vunnam Karthik, Mudaliar Kavitha Ravichandran, R. SanthanaKrishnan, Vinyojita M,

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  1. Student, Student, Student, Student, Professor, Assistant Professor, Department of Aeronautical Engineering, Hindustan Institute of Technology and Science, Chennai, Department of Aeronautical Engineering, Hindustan Institute of Technology and Science, Chennai, Department of Aeronautical Engineering, Hindustan Institute of Technology and Science, Chennai, Department of Aeronautical Engineering, Hindustan Institute of Technology and Science, Chennai, Department of Aeronautical Engineering, Hindustan Institute of Technology and Science, Chennai, Department of Aeronautical Engineering, Hindustan Institute of Technology and Science, Chennai, Tamil Nadu, Tamil Nadu, Tamil Nadu, Tamil Nadu, Tamil Nadu, Tamil Nadu, India, India, India, India, India, India

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Abstract

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nComposite sandwich structures, renowned for their high flexural stiffness and low weight, are widely used across industries such as aerospace, automotive, and marine. However, their durability can be compromised by impact-related damages, which affect both the core and face sheets. This study explores the performance of corrugated sandwich panels compared to conventional designs under low-velocity impacts. Using a drop weight impact testing machine, panels made from polyurethane foam cores and various fibre face sheets (Glass, Kevlar, Carbon) were tested at energies ranging from 15 to 45 Joules. Results indicated that corrugated panels exhibited significantly higher peak forces and energy absorption capacities than conventional counterparts, especially in Kevlar and carbon configurations. For instance, the corrugated Kevlar panel reached peak forces exceeding 3000 N at lower energy levels, while the conventional variant peaked at around 1000 N. Similar trends were observed in glass and carbon panels, with corrugated designs consistently outperforming in impact resistance. These findings underscore the potential for enhanced structural performance and sustainability through the adoption of corrugated core designs in composite sandwich constructions, suggesting a promising direction for future material innovation in engineering applications.nn

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Keywords: Impact; Sandwich Panels; Ballistic Limit; Glass; Kevlar; Carbon

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How to cite this article:
nDhanushree S, Santhosh Kumar R C, Vunnam Karthik, Mudaliar Kavitha Ravichandran, R. SanthanaKrishnan, Vinyojita M. [if 2584 equals=”][226 wpautop=0 striphtml=1][else]Low Velocity Impact Behaviour of Corrugated Foam Sandwich Panel[/if 2584]. Journal of Polymer and Composites. 01/08/2025; 13(06):-.

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How to cite this URL:
nDhanushree S, Santhosh Kumar R C, Vunnam Karthik, Mudaliar Kavitha Ravichandran, R. SanthanaKrishnan, Vinyojita M. [if 2584 equals=”][226 striphtml=1][else]Low Velocity Impact Behaviour of Corrugated Foam Sandwich Panel[/if 2584]. Journal of Polymer and Composites. 01/08/2025; 13(06):-. Available from: https://journals.stmjournals.com/jopc/article=01/08/2025/view=0

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Volume 13
[if 424 equals=”Regular Issue”]Issue[/if 424][if 424 equals=”Special Issue”]Special Issue[/if 424] [if 424 equals=”Conference”][/if 424] 06
Received 02/07/2024
Accepted 23/08/2024
Published 01/08/2025
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Publication Time 395 Days

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