Journal
INTERNATIONAL JOURNAL OF IMPACT ENGINEERING
Volume 109, Issue -, Pages 366-377Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.ijimpeng.2017.07.001
Keywords
Sandwich panel; Elevated temperature; Aluminum foam; Perforation; Low velocity impact
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Funding
- National Natural Science Foundation of China [11402299, 11132012, 90916026]
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Quasi-static perforation and low-velocity impact tests at different temperatures were carried out for sandwich panels with aluminum face sheets and a closed-cell aluminum foam core. The deformation and failure behaviors, load carrying capacity and energy absorption capability of sandwich panels were explored and compared at different temperatures. In the experiments, effects of several key parameters, i.e. soaking time, boundary condition, and geometrical size of the indenter, on the load carrying capacity and energy absorption of the sandwich panels during perforation were discussed. The differences of the perforation behavior of sandwich panels at elevated temperatures under quasi-static and low velocity impact tests were also studied. (C) 2017 Elsevier Ltd. All rights reserved.
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