Kim, M. T. and Rhee, K. Y. and Lee, J. H. and Hui, D. and Lau, Alan K. T. (2011) Property enhancement of a carbon fiber/epoxy composite by using carbon nanotubes. Composites Part B: Engineering , 42 (5). pp. 1257-1261. ISSN 1359-8368
Abstract
We investigated the effect of carbon nanotube (CNT) modifications on the flexural and wear behaviors of multiscale carbon/CNT/epoxy composites in this study. Carbon/epoxy woven composites and two types of multiscale carbon/CNT/epoxy composites were fabricated by incorporating woven-type carbon fibers into epoxy matrices modified with 2 wt% acid-treated and silane-treated multi-walled carbon nanotubes (MWCNTs). Three-point bending and ball-on-disk wear tests were performed on the three composites. The results showed that the flexural moduli and strengths of carbon/CNT/epoxy composites were greater than those of carbon/epoxy composites, regardless of CNT modification. Specifically, the flexural modulus and strength of the silane-treated specimens were 10% and 15% greater, respectively, than those of the acid-treated samples. The results also showed that the wear properties of carbon/epoxy composites are improved by the addition of CNTs. In addition, the wear properties of silane-treated samples were superior to those of acid-treated samples. Scanning electron microscopic examination of fractured and worn surfaces showed that the improvement in the flexural and wear properties of the silane-treated carbon/CNT/epoxy composites was attributed to the improved dispersion of CNTs in the epoxy and the better interfacial characteristics caused by the silanization of the CNTs.
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| Item Type: | Article (Commonwealth Reporting Category C) |
|---|---|
| Refereed: | Yes |
| Item Status: | Live Archive |
| Additional Information: | Permanent restricted access to Published version due to publisher copyright restrictions. |
| Depositing User: | epEditor USQ |
| Faculty / Department / School: | Historic - Faculty of Engineering and Surveying - No Department |
| Date Deposited: | 29 Mar 2012 06:37 |
| Last Modified: | 17 Oct 2014 05:38 |
| Uncontrolled Keywords: | carbon fibre; wear; fibre/matrix bond; surface treatments |
| Fields of Research : | 10 Technology > 1007 Nanotechnology > 100707 Nanomanufacturing 09 Engineering > 0912 Materials Engineering > 091202 Composite and Hybrid Materials 10 Technology > 1007 Nanotechnology > 100708 Nanomaterials |
| Socio-Economic Objective: | E Expanding Knowledge > 97 Expanding Knowledge > 970109 Expanding Knowledge in Engineering |
| Identification Number or DOI: | doi: 10.1016/j.compositesb.2011.02.005 |
| URI: | http://eprints.usq.edu.au/id/eprint/21019 |
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