期刊
COMPOSITES PART B-ENGINEERING
卷 64, 期 -, 页码 24-32出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.compositesb.2014.04.003
关键词
Foams; Laminates; Mechanical properties; Mechanical testing
资金
- Australian Research Council through the Centre of Design in Light Metals
The response of aluminium sandwich panels comprising thin foam cores and thin face sheets of low and high yield strength was investigated under three-point bending load. The effect of skin strength, bending span and core thickness on the failure modes and loads was investigated. While the lower strength face sheet is associated with lower failure loads, that decrease is not proportional to the yield strength due to the additional failure mode of face yielding. Theoretical models enabled prediction of the failure loads and elucidated the contribution of each failure mode. Failure maps were subsequently constructed which can be used for the design of foam-cored sandwich panels with very thin face sheets. (C) 2014 Elsevier Ltd. All rights reserved.
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