Fabrication and mechanical characterization of carbon nanotubes-enhanced epoxy

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Title: Fabrication and mechanical characterization of carbon nanotubes-enhanced epoxy
Author(s): Faleh, Haydar; Shen, Luming; Al-Mahaidi, Riadh
Abstract: Owing to its outstanding characteristics in good affinity to heterogeneous materials, corrosion resistance and on-the-spot processing capability, epoxy has been widely used as adhesives in retrofitting structures with carbon fibre reinforced polymer (CFRP). In this study, different weight fractions of multi-walled carbon nanotubes (MWCNTs) will be dispersed into epoxy to produce toughened adhesives that can improve the CFRP/structure bonding performance. The preliminary results indicate that adding 2% MWCNTs to Araldite-420 increase its ultimate strength by 17% and its elastic modulus by 14%. Ultrasonic mixing may increase Sikadur-30's elastic modulus but reduce its strength and ductility regardless of the MWCNTs concentration. The mechanism of MWCNTs infusion effects on the mechanical properties of epoxy is also examined using SEM.
Publication type: Journal article
Research centre: Swinburne University of Technology. Faculty of Engineering and Industrial Sciences
Source: Advanced Materials Research: Advances in Building Materials: proceedings of the 2011 International Conference on Structures and Building Materials (ICSBM 2011), Guangzhou, China, 07-09 January 2011 / Lijuan Li (ed.), Vol. 168-170, pp. 1102-1106
Publication year: 2011
FOR Code(s): 0912 Materials Engineering
Keyword(s): Araldite-420; Carbon nanotubes; Composites; Epoxy; Sikadur-30
Publisher: Trans Tech Publications
ISSN: 1022-6680 (series ISSN)
ISBN: 9780878492077, 0878492070
Publisher URL: http://dx.doi.org/10.4028/www.scientific.net/AMR.168-170.1102
Peer reviewed