Fracture mechanisms of epoxy filled with ozone functionalized multi-wall carbon nanotubes |
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| Authors: | Long-cheng Tang Hui Zhang Jin-hua Han Xiao-ping Wu Zhong Zhang |
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| Affiliation: | aNational Center for Nanoscience and Technology, Beijing 100190, China;bDepartment of Modern Mechanics, University of Science and Technology of China, Hefei 230027, China |
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| Abstract: | This work focused on the fracture mechanisms and reinforcing effects of ozone-treated multi-walled carbon nanotubes (MWCNTs) in epoxy matrix. Ozone functionalization of MWCNTs was found to be of help for a better dispersion and stronger interfacial bonding with epoxy matrix, which in turn improve the strength and fracture toughness of the resin. The MWCNT/epoxy composites showed complicated failure modes than the conventional fibrous composites, which have been quantitatively investigated and correlated with the fracture toughness of the nanocomposites studied. |
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| Keywords: | A. Carbon nanotubes A. Nano composites B. Fracture toughness B. Surface treatments D. Scanning electron microscopy (SEM) |
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