Blast performance of composite sandwich structures

被引:11
|
作者
Dear, John P. [1 ]
Rolfe, Emily [1 ]
Kelly, Mark [1 ]
Arora, Hari [2 ,3 ]
Hooper, Paul A. [1 ]
机构
[1] Imperial Coll London, Dept Mech Engn, London SW7 2AZ, England
[2] Imperial Coll London, Royal British Leg Ctr Blast Injury Studies CBI, London SW7 2AZ, England
[3] Imperial Coll London, Dept Bioengn, London SW7 2AZ, England
来源
基金
英国工程与自然科学研究理事会;
关键词
air blast; underwater blast; graded cores; sandwich structures; composites; PANELS; AIR;
D O I
10.1016/j.proeng.2016.12.065
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
A range of composite sandwich panels with different polymeric foam cores and face-sheets were subjected to full-scale air and underwater blast testing. The air blast panels had glass fiber reinforced polymer (GFRP) face-sheets with three different polymeric foam cores: styrene acrylonitrile (SAN), polyvinylchloride (PVC) and polymethacrylimide (PMI). The panels were subjected to 100 kg TNT equivalent charge from a stand-off of 15 m. The SAN panel had the lowest deflection and suffered from the least damage. The underwater blast panels had either a single density or graded density SAN foam core and either glass fiber reinforced polymer or carbon fiber reinforced polymer (CFRP) face-sheets. The research revealed that there is a trade-off between reduced panel deflection and damage. All the blast research that has been performed is part of a program sponsored by the Office of Naval Research (ONR). (C) 2017 The Authors. Published by Elsevier Ltd.
引用
收藏
页码:471 / 478
页数:8
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