Journal
COMPOSITE STRUCTURES
Volume 92, Issue 6, Pages 1432-1439Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.compstruct.2009.11.009
Keywords
Nanofabric; Impact damage; Impact resistance; Interleaving
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Funding
- ARO [W911 NF0410176]
- ARL-MAST [W911 NF-08-20004]
- ONR [N00014-07-1-0465]
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Sixteen-ply quasi-isotropic composite laminates of plain and interleaved AS4/3501-6 composite laminates clamped all around were impact tested to assess the improvement in impact resistance of composite laminates that have been interleaved by electrospun Nylon-66 nanofabric. The impact velocity, force, and energy ranged from 2.0 to 4.0 m/s, 900 to 2100 N and 0.46 to 1.80 J, respectively. Based on this preliminary study, results showed that; polymer nanofabric interleaving marginally increased the laminate thickness, by about 2.0%. Polymer nanofabric interleaving increased the threshold impact force by about 60%, reduced the rate of impact damage growth rate to one-half with impact height and reduced impact damage growth rate from 0.115 to 0.105 mm(2)/N with impact force. The concept has merit for more detailed study for optimizing and for multi-functionalizing fiber reinforced composite laminates. (C) 2009 Elsevier Ltd. All rights reserved.
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