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X-ray CT Analysis after Blast of Composite Sandwich Panels

Emily Rolfe, Mark Kelly, Hari Arora Orcid Logo, Paul A. Hooper, John P. Dear

Procedia Engineering, Volume: 167, Pages: 176 - 181

Swansea University Author: Hari Arora Orcid Logo

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DOI (Published version): 10.1016/j.proeng.2016.11.685

Abstract

Four composite sandwich panels with either single density or graded density foam cores and different face-sheet materials were subjected to full-scale underwater blast testing. The panels were subjected to 1kg PE4 charge at a stand-off distance of 1 m. The panel with graded density core and carbon f...

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Published in: Procedia Engineering
ISSN: 1877-7058
Published: 2016
Online Access: Check full text

URI: https://cronfa.swan.ac.uk/Record/cronfa37126
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Abstract: Four composite sandwich panels with either single density or graded density foam cores and different face-sheet materials were subjected to full-scale underwater blast testing. The panels were subjected to 1kg PE4 charge at a stand-off distance of 1 m. The panel with graded density core and carbon fiber face-sheets had the lowest deflection. Post-blast damage assessment was carried out using X-ray CT scanning. The damage assessment revealed that there is a trade-off between reduced panel deflection and panel damage. This research has been performed as part of a program sponsored by the Office of Naval Research (ONR).
Keywords: air blast, underwater blast, sandwich structures, composites
College: Faculty of Science and Engineering
Start Page: 176
End Page: 181

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