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Effect of Undensified Silica Fume on the Dispersion of Carbon Nanotubes within a Cementitious Composite

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dc.contributor.author Alrekabi, S.
dc.contributor.author Cundy, A.
dc.contributor.author Whitby, Raymond L.D.
dc.contributor.author Lampropoulos, A.
dc.contributor.author Savina, I.
dc.date.accessioned 2017-08-09T09:10:57Z
dc.date.available 2017-08-09T09:10:57Z
dc.date.issued 2017
dc.identifier.citation S. Alrekabi et al. (2017) Journal of Physics: Conference Series. Volume 82. Number 1. pp.1-8 ru_RU
dc.identifier.issn 1742-6588
dc.identifier.uri https://doi.org/10.1088/1742-6596/829/1/012011
dc.identifier.uri http://nur.nu.edu.kz/handle/123456789/2532
dc.description.abstract The synergistic effect of multi-walled carbon nanotubes (MWCNTs) and Undensified Silica Fume (USF) on the microstructure of cementitious composites has been studied. In the current work, USF was used to enhance the dispersion of nanotubes throughout the composite and prevent the re-agglomeration of nanotubes by providing a physical barrier of particles of small size. Ultrasonication was employed to disperse MWCNTs in water in the presence of polycarboxylate-based superplasticizer (PCE) as a dispersion agent. The results indicate that incorporation of USF considerably improves the dispersion of nanotubes in the composites, with subsequent enhancement of composite packing density. This enhancement can be attributed to the synergistic effect of MWCNTs and USF in reducing the volume of pores through the cementitious composites. ru_RU
dc.language.iso en ru_RU
dc.publisher Journal of Physics: Conference Series. https://doi.org/10.1088/1742-6596/829/1/012011 ru_RU
dc.rights Attribution-NonCommercial-ShareAlike 3.0 United States *
dc.rights.uri http://creativecommons.org/licenses/by-nc-sa/3.0/us/ *
dc.subject cementitious composites ru_RU
dc.subject multiwall Carbon nanotubes (MWCNTs) ru_RU
dc.subject undensified microsilica (USF) ru_RU
dc.title Effect of Undensified Silica Fume on the Dispersion of Carbon Nanotubes within a Cementitious Composite ru_RU
dc.type Article ru_RU

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