Evaluation of corrugated core configuration effects on low-velocity impact response in metallic sandwich panels

Erman Zurnacı; Hasan Gökkaya

doi:10.1515/mt-2023-0160

Artikel

Evaluation of corrugated core configuration effects on low-velocity impact response in metallic sandwich panels

Erman Zurnacı
Dr. Erman Zurnacı, born in 1988, graduated from Karabük University and completed his MSc at Karabük University in Karabük, Turkey. He completed his PhD in the Mechanical Engineering Department of Karabük University. Currently, he is working as an Assistant Professor at the Kastamonu University Engineering and Architecture Faculty Mechanical Engineering Department Kastamonu, Türkiye since 2020.
und Hasan Gökkaya
Prof. Dr. Hasan Gökkaya graduated from Gazi University and completed his MSc at Gazi University in Ankara, Turkey. He completed his PhD in the Mechanical Education Department of Gazi University. He has been working as a Professor at the Karabük University Engineering Faculty Mechanical Engineering Department Karabük, Türkiye since 2014.

Veröffentlicht/Copyright: 8. Januar 2024

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Abstract

Sandwich panels are used as body components of vehicles in many sectors, such as defense, aircraft, and aviation, due to their advanced mechanical properties and lightness. This study aims to investigate the effect of core configurations on mechanical performance and deformation behavior of metallic sandwich panels under low-velocity impact loading. For this purpose, metallic sandwich panels having monolithic and sliced core configurations were first produced. Low-velocity impact tests were carried out using varying energy levels (20, 40, 60 J) to examine how the intensity of influence affects the deformation of the sandwich panel. The perforation and deformation behavior on the upper surface plates of sandwich panels were evaluated. Experimental results showed that the core design significantly affects the impact behavior of sandwich panel samples. The sliced core configuration produced approximately 10 % more maximum contact force and absorbed 14 % more impact energy at high-impact energy levels. Additionally, the sliced core configuration delayed core collapse of the core in deformation situations where complete perforation does not occur.

Keywords: metallic sandwich panel; corrugated core; core configuration; low-velocity impact test; energy absorption capacity

Corresponding author: Erman Zurnacı, Department of Mechanical Engineering, Engineering and Architecture Faculty, Kastamonu University, Kastamonu, 37150, Türkiye, E-mail: ermanzurnaci@kastamonu.edu.tr

Funding source: Karabuk University Coordinatorship of Scientific Research Projects

Award Identifier / Grant number: KBUBAP-17-DR-458

About the authors

Erman Zurnacı

Dr. Erman Zurnacı, born in 1988, graduated from Karabük University and completed his MSc at Karabük University in Karabük, Turkey. He completed his PhD in the Mechanical Engineering Department of Karabük University. Currently, he is working as an Assistant Professor at the Kastamonu University Engineering and Architecture Faculty Mechanical Engineering Department Kastamonu, Türkiye since 2020.

Hasan Gökkaya

Prof. Dr. Hasan Gökkaya graduated from Gazi University and completed his MSc at Gazi University in Ankara, Turkey. He completed his PhD in the Mechanical Education Department of Gazi University. He has been working as a Professor at the Karabük University Engineering Faculty Mechanical Engineering Department Karabük, Türkiye since 2014.

Research ethics: Not applicable.
Author contribution: The authors have accepted responsibility for the entire content of this manuscript and approved its submission.
Competing interests: The authors state no conflict of interest.
Research funding: This work was supported by the Karabuk University Coordinatorship of Scientific Research Projects of (Project no: KBUBAP-17-DR-458).
Data availability: Not applicable.

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Published Online: 2024-01-08

Published in Print: 2024-02-26

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https://doi.org/10.1515/mt-2023-0160

Schlagwörter für diesen Artikel

metallic sandwich panel; corrugated core; core configuration; low-velocity impact test; energy absorption capacity