期刊
INTERNATIONAL JOURNAL OF IMPACT ENGINEERING
卷 34, 期 7, 页码 1202-1222出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.ijimpeng.2006.05.008
关键词
fibre-metal laminate; composite; panel; blast loading; failure
This two-part article examines the behaviour of aluminium alloy-glass fibre-reinforced polypropylene-based fibre-metal laminates (FMLs) subjected to localised explosive blast loading. Part I presents observations from the experiments on samples of varying thickness and material distribution, and investigates the influence of stacking configuration. This extensive study examines panels which have between two and five layers of aluminium, and up to eight plies of composite between each pair of aluminium, layers. Diamond and cross-shaped back face damage is observed and varies according to panel thickness. Pitting, global displacement and ring buckling of the front face are also discerned. Some observations are related to wave propagation effects. Part II reports a quantitative analysis of the experimental data. Expressed in terms of non-dimensional parameters, front and back face displacements fall within one plate thickness of a linear trend line. The threshold impulse for the onset of tearing is found to increase linearly with panel thickness. (c) 2006 Elsevier Ltd. All rights reserved.
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