Journal
COMPOSITE STRUCTURES
Volume 92, Issue 12, Pages 2984-2991Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.compstruct.2010.05.010
Keywords
Dynamic compressive response; Failure behavior; ZnO nanowhiskers; Composites
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Funding
- National Natural Science Foundation of China [50872159, 50972014, 10672020]
- Key Laboratory Foundation of Sonar Technology of China [9140C24KF0901]
- National High-Technology Research and Development Program of China (863 Scientific Project) [2007AA03Z103]
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Glass fiber polymer composites embedded with tetra-needle-like zinc oxide (ZnO) nanowhiskers were prepared. The prepared composites exhibited excellent mechanical properties after the effective dispersion of ZnO nanowhiskers in the resin. The static and dynamic compressive properties of the composites were tested in the thickness and in-plane directions. The macro- and microfracture morphologies of the damaged specimens were obtained by using a scanning electron microscope. The results show that the compressive properties of the composites could be significantly affected by strain rates. As the strain rate increases, the composites have a higher strength. The compressive properties of the composites are affected by the content of ZnO nanowhiskers in the resin. The high strength of the composites can be attributed to the three-dimensional structures of ZnO nanowhiskers and the corresponding stress transfer. (C) 2010 Elsevier Ltd. All rights reserved.
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